List of drugs by year of discovery

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The following is a table of drugs organized by their year of discovery.

Contents

Naturally occurring chemicals in plants, including alkaloids, have been used since pre-history. In the modern era, plant-based drugs have been isolated, purified and synthesised anew. Synthesis of drugs has led to novel drugs, including those that have not existed before in nature, particularly drugs based on known drugs which have been modified by chemical or biological processes.

Antiquity

Prehistory

Archaeological evidence indicates that the use of medicinal plants dates back to the Paleolithic age.[ citation needed ]

4th millennium BCE

In ancient Egypt, herbs are mentioned in Egyptian medical papyri, depicted in tomb illustrations, or on rare occasions found in medical jars containing trace amounts of herbs. [1] Medical recipes from 4000 BCE were for liquid preparations rather than solids. [2] In the 4th millennium BCE, Soma (drink) and Haoma are named, but is not clear what ingredients were used to prepare them.[ citation needed ]

3rd millennium BCE

DiscoveryName of drugActive ingredients
2,700 BCE Cannabis sativa Cannabinoids, (e.g. tetrahydrocannabinol, a cannabinoid agonist, and cannabidiol, an analgesic and anticonvulsant). [3]
2,700 BCE Mandragora officinarum Atropine and scopolamine (antimuscarinics), scopine, cuscohygrine, apoatropine, Belladonnines and non-alkaloid constituents including sitosterol and scopoletin.[ citation needed ]
2,700 BCE Rhubarb Anthraquinones, (e.g. emodin) [4] which are cathartic and laxative. Stilbenoids (e.g. rhaponticin), which may lower blood glucose levels. [5] Flavanol glucosides (e.g. (−)-catechin-7-O-glucoside) which may be cytoprotective. [6]

2nd millennium BCE

Written around 1600 BCE, the Edwin Smith Papyrus describes the use of many herbal drugs. The Ebers Papyrus – one of the most important medical papyri of ancient Egypt – was written around 1550 BCE, and covers more than 700 drugs, mainly of plant origin. [7] The first references to pills were found on papyri in ancient Egypt, and contained bread dough, honey, or grease. Medicinal ingredients such as plant powders or spices were mixed in and formed by hand to make little balls, or pills. [2] The papyri also describe how to prepare herbal teas, poultices, ointments, eye drops, suppositories, enemas, laxatives, etc. Aloe vera was used in the 2nd millennium BCE. [8]

1st millennium BCE

In Greece, Theophrastus of Eresos wrote Historia Plantarum in the 4th century BCE. [9] Seeds likely used for herbalism have been found in archaeological sites of Bronze Age China dating from the Shang dynasty [10] (c. 1600 BCE–c. 1046 BCE). Over a hundred of the 224 drugs mentioned in the Huangdi Neijing – an early Chinese medical text – are herbs. [11] Herbs also commonly featured in the medicine of ancient India, where the principal treatment for diseases was diet. [12]

A sample of raw opium Raw opium.jpg
A sample of raw opium

Opioids are among the world's oldest known drugs. [13] [14] Use of the opium poppy for medical, recreational, and religious purposes can be traced to the 4th century BCE, when Hippocrates wrote about it for its analgesic properties, stating, "Divinum opus est sedare dolores." ("Divine work is the easing of pain") [15]

Year of discoveryName of the drugActive ingredients
1st millennium BC Hyoscyamus niger Tropane alkaloids (e.g. hyoscyamine and scopolamine). [16]
600 B.C. Glycerol, produced Glycerol [ citation needed ]
300 B.C. Opium Phenanthrenes (e.g. morphine, codeine, and thebaine). [17] Morphine binds to and activates Mu opioid receptors and is analgesic. Opium also contains isoquinolines (e.g. papaverine and noscapine).

1st century CE

In ancient Greece, pills were known as katapotia ("something to be swallowed"). Pliny the Elder, who lived from 23–79 CE, first gave a name to what we now call pills, calling them pilula. [2] Pliny also wrote Naturalis Historia a collection of 38 books and the first pharmacopoea.

Pedanius Dioscorides wrote De Materia Medica (c. 40 – 90 CE); this book dominated the area of drug knowledge for some 1500 years until the 1600s. [18]

Jojoba was used in the 1st millennium CE.

2nd century CE

Aelius Galenus wrote more than 11 books about drugs, also use terra sigillata with kaolinite and goats blood to produce tablets.

Post-classical to Early modern

Drugs developed in the post-classical (circa 500 to 1450) or early modern eras (circa 1453 to 1789).

6th–11th century CE

In middle age ointments were a common dosage form.

Year of discoveryName of the drugActive ingredients
10th centuryCoffee Caffeine (adenosine receptor antagonist)[ citation needed ]

Beta carboline (GABAA receptor inverse agonist)[ citation needed ]

11th century CE

Avicenna separates Medicine and Pharmacy, in 1025 published his book The Canon of Medicine, an encyclopedia of medicine formed by five books. Drugs mentioned by Avicenna include agaric, scammony and euphorbium. [19] The latex of Euphorbia resinifera contains resiniferatoxin, an ultra potent capsaicin analog. Desensitization to resiniferatoxin is tested in clinical trials to treat neuropathic pain. [20]

Year of discoveryName of the drugActive ingredients
Before 1025 Agaric Muscimol (GABAA receptor agonist), muscarine (muscarinic receptor agonist), and ibotenic acid (NMDA receptor agonist)[ citation needed ]
Before 1025 Scammony Scammonin

(In general, a powerful purgative and anthelmintic)[ citation needed ]

Before 1025 Euphorbium Resiniferatoxin (capsaicin analog and possible analgesic)[ citation needed ]

16th century CE

Paracelsus expounded the concept of dose response in his Third Defense, where he stated that "Solely the dose determines that a thing is not a poison." This was used to defend his use of inorganic substances in medicine as outsiders frequently criticized Paracelsus' chemical agents as too toxic to be used as therapeutic agents. Paracelsus discovered that the alkaloids in opium are far more soluble in alcohol than water. Having experimented with various opium concoctions, Paracelsus came across a specific tincture of opium that was of considerable use in reducing pain. He called this preparation laudanum.[ citation needed ]

For over a thousand years South American indigenous peoples have chewed Erythroxylon coca leaves, which contain alkaloids such as cocaine. Coca leaf remains have been found with ancient Peruvian mummies. [21] There is also evidence coca leaves were used as an anesthetic. [22] In 1569, Spanish botanist Nicolás Monardes described the indigenous peoples' practice of chewing a mixture of tobacco and coca leaves to induce "great contentment".[ citation needed ]

1400s Nicotine (Tobacco)[ citation needed ]

Year of discoveryName of the drug
Before 1569 Erythroxylon coca leaves (containing cocaine)[ citation needed ]
16th century Laudanum [ citation needed ]

18th century CE

In 1778 John Mudge created the first inhaler devices.[ citation needed ] In 1747, James Lind, surgeon of HMS Salisbury, conducted the first clinical trial ever recorded, on it he studied how citrus fruit were capable of curing scurvy.[ citation needed ]

Modern

19th century CE

In the 1830s chemist Justus von Liebig began the synthesis of organic molecules, stating that "The production of all organic substances no longer belongs just to living organisms." In 1832 produced chloral hydrate, the first synthetic sleeping drug. In 1833 French chemist Anselme Payen was the first to discover an enzyme, diastase. In 1834, François Mothes and Joseph Dublanc created a method to produce a single-piece gelatin capsule that was sealed with a drop of gelatin solution. In 1853 Alexander Wood was the first physician that used hypodermic needle to dispense drugs via Injections. In 1858 Dr. M. Sales Giron invented the first pressurized inhaler.

Amphetamine was first synthesized in 1887 in Germany by Romanian chemist Lazăr Edeleanu who named it phenylisopropylamine; [23] [24] [25] its stimulant effects remained unknown until 1927, when it was independently resynthesized by Gordon Alles and reported to have sympathomimetic properties. [25] Shortly after amphetamine, methamphetamine was synthesized from ephedrine in 1893 by Japanese chemist Nagai Nagayoshi. [26] Three decades later, in 1919, methamphetamine hydrochloride was synthesized by pharmacologist Akira Ogata via reduction of ephedrine using red phosphorus and iodine. [27]

Year of discoveryName of the drugSynthesis mechanismYear that was PatentedGovernmental approvalPatented expired
Synthesis discovererYear
1803–1805 [28] Morphine Gates synthesis [29] 1952
1820 Quinine (isolation) Woodward and Doering 1944
1830s Santonin
1832 Chloral hydrate Justus von Liebig 1832
1833 Diastase
1853 Acetylsalicylic acid (Aspirin)1899
1875 Phenylhydrazine Hermann Emil Fischer 18751875
1877 Paracetamol Harmon Northrop Morse 187719502007
1877 Mannitol Julije Domac 18771950
1880 Phenazone, "the mother of modern Antipyretics" Ludwig Knorr 18801880
1885 Ephedrine Nagai Nagayoshi 18851885
1890 Benzocaine August Bischler 18951895
1895 Quinazoline August Bischler 18951895
1887 Amphetamine Lazăr Edeleanu 1887
1893 Methamphetamine Nagai Nagayoshi 1893

20th century CE

In 1901 Jōkichi Takamine isolated and synthesized the first hormone, Adrenaline. In 1907 Alfred Bertheim synthesized Arsphenamine, the first man-made antibiotic. In 1927 Erik Rotheim patented the first aerosol spray can. In 1933 Robert Pauli Scherer created a method to develop softgels.

William Roberts studies about penicillin were continued by Alexander Fleming, who in 1928 concluded that penicillin had an antibiotic effect. In 1944 Howard Florey and Ernst Boris Chain mass-produced penicillin. In 1948 Raymond P. Ahlquist published his seminal work where divided adrenoceptors into α- and β-adrenoceptor subtypes, this allowed a better understanding of drugs mechanisms of action.

In 1987, after Montreal Protocol, CFC inhalers were phased out and HFA inhalers replace them. In 1987 CRISPR technique was discovered by Yoshizumi Ishino that in the next century would be used for genome editing.

Year of discoveryName of the drugYear when the synthesis mechanism was developedYear that was PatentedGovernmental approvalPatented expired
1901 Adrenaline Jōkichi Takamine, 190119011901N/A (Natural Hormone)
1906 Oxytocin Discovered by Henry Hallett Dale, synthesized by Vincent du Vigneaud in 195219251926N/A (Natural Hormone)
1907 Arsphenamine Alfred Bertheim, 1907N/AN/AN/A
1908 Phenytoin Heinrich Biltz, 1908N/AN/AN/A
1912 Vitamin C Tadeusz Reichstein, 1933N/AN/AN/A
1912 Phenobarbital Fischer and Mering Synthesis, 1912191219121932
1915 Thyroxine Isolated by Edward Calvin Kendall, 191519151915N/A (Natural Hormone)
1918 Ergotamine Isolated by Arthur Stoll, Sandoz, 1918191819181938
1920 Metamizole 1920N/AN/AN/A
1921 Insulin Frederick Grant Banting, 192119211921N/A (Natural Hormone)
1927 Levothyroxine Harington and Barger Synthesis, 1927N/A1927(Synthetic hormone)
1928 Penicillin Alexander Fleming, 192819281928Never patented
1932 Sulfanilamide Paul Josef Jakob Gelmo, 1908N/AN/A1938
1932 Prontosil Gerhard Domagk, Josef Klarer and Fritz Mietzsch 1932N/AN/A1938
1935 Cortisone Isolated by Philip Showalter Hench and Edward Calvin Kendall, 193519351935N/A (Natural Hormone)
1935 Tetracaine 1935193519351955
1935 Methylphenobarbital 1935193519351955
1935 Dapsone 1935193519351955
1940 Dicoumarol (warfarin)1940, extracted from Melilotus 194019401960
1946 Isosorbide 1946194619461966
1943 Lidocaine Nils Löfgren, 1943194619491966
1938 Lysergic acid diethylamide (LSD) Albert Hofmann, Sandoz 193819381958
1951 Hydrocortisone 1951195119511971
1951 Imipramine 1951195119571971
1952 Acetazolamide 1952195219521972
1954 Fludrocortisone acetate 1954195419541974
1955 Prednisolone 1955195519551975
1955 Prednisone 1955195519551975
1955 Chlordiazepoxide Leo Sternbach, Hoffmann-La Roche, 1955195519551975
1956 Methylprednisolone 1956195619561976
1956 Triamcinolone 1956195619561976
1957 Spironolactone 1957195719571977
1957 Mepivacaine A. F. Ekenstam, 1957195719571977
1957 Bupivacaine 1957195719571977
1957 Chlorothiazide 1957195719571977
1958 Dexamethasone 1958195819581978
1958 Betamethasone 1958195819581978
1958 Clozapine 1958195819581978
1958 Triamcinolone acetonide (Nasacort)1958195819581978
1959 Hydrochlorothiazide 1959195919591979
1959 Chlortalidone 1959195919591979
1960 Fentanyl Paul Janssen, Janssen Pharmaceutica 1960196019691980
1961 Mefenamic acid Claude Winde, Parke-Davis 1961196119691981
1961 Ibuprofen Boots Group, 1961196119691981
1961 Flurbiprofen Boots Group, 1961196119691994
1962 Trimethoprim 19621982
1962 Furosemide Calvin L. Stevens, Parke-Davis 196219621982
1962 Ketamine Calvin L. Stevens, Parke-Davis 196219621982
1962 Piroxicam Pfizer 196219621992
1962 Meloxicam Pfizer 19621962Not for use in humans
1962 Beclometasone David Jack, 196219621982
1963 Diazepam Leo Sternbach, 1963196319631983
1963 Indometacin 1963196319651983
1963 Flufenamic acid Parke-Davis, 1963196319651983
1963 Ropivacaine 1963196319631983
1964 Meclofenamic acid Parke-Davis, 1963196319651983
1964 Propranolol James Black, 19641964
1964 Clonazepam Leo Sternbach, 1964196419641984
1964 Triamterene 1964196419641984
1964 Tetrahydrocannabinol (dronabinol)196419641964N/A
1966 Salbutamol (Albuterol) David Jack, Allen & Hanburys, 196619661986
1967 Amiloride 1964196419641984
1968 Prilocaine 196819681968N/A
1970 Ciclosporin B. Vithal Shetty, 19711982
1971 Metolazone B. Vithal Shetty, 19711971
1971 Cimetidine James Black, 19711971
1971 Mupirocin Isolated in 19711971
1971 Etidocaine Isolated in 19711971
1973 Diclofenac Synthesized by Alfred Sallmann and Rudolf Pfister in 197319731993
1973 Budesonide 197319731993
1974 Sufentanil Janssen Pharmaceutica, 19741994
1974 Carfentanil Janssen Pharmaceutica, 19741994
1976 Ipratropium bromide 197619761996
1976 Naproxen 197619761996
1977 Ranitidine John Bradshaw, Allen & Hanburys, 19771981
1977 Propofol John Bradshaw, Allen & Hanburys, 19771981
1977 Tramadol Grünenthal GmbH, 197719771997
1981 Verapamil 198119811997
1985 Salmeterol (Serevent) David Jack, Allen & Hanburys, 198519852005
1984 Sumatriptan David Jack, 198419842006
1987 Ondansetron David Jack, 198719902006
1989 Ketorolac 198919892009
1993 Fluticasone propionate David Jack, 199319932004
1993 Ketoprofen James W. Young, William J. Wechter and Nancy M. Gray in 199319932003
1993 Celecoxib 199319932003
1993 Rofecoxib 199319932003
1995 Parecoxib 1995Not approved2015
1996 Lopinavir 2000-
1997 Mometasone furoate (Nasonex)199719972017
1997 Eletriptan 199720022017
1998 Ropivacaine 1998199819982008
1998 Leflunomide 199819982008

21st century CE

21st century begins with the first complete sequences of individual human genomes by Human Genome Project, on 12 February 2001, this allowed a switch in drug development and research from the traditional way of drug discovery that was isolating molecules from plants or animals or create new molecules and see if they could be useful in treatment of illness in humans, to pharmacogenomics, that is the study and knowledge of how genes respond to drugs. Another field beneficed by Human Genome Project is pharmacogenetics, that is the study of inherited genetic differences in drug metabolic pathways which can affect individual responses to drugs, both in terms of therapeutic effect as well as adverse effects. [30]

Humane genome study also allowed to identify which genes are responsible of illness, and to develop drugs for rare diseases and also treatment of illness through gene therapy. In 2015 a simplified form of CRISPR edition was used in humans with Cas9, and also was used an even more simple method, Cas12a that prevent genetic damage from viruses. These advances are improving personalized medicine and allowing precision medicine.

Year of discoveryName of the drugYear when the synthesis mechanism was developedYear that was PatentedGovernmental approvalPatented expiryDrug type *
2000 Bevacizumab 20042024MA
2001 Valdecoxib 2016N/ASM
2001 Etoricoxib 2016N/ASM
2003 Alirocumab 20152035MA
2006 Linagliptin 2011 [31] 2031SM
2007 Apixaban 20122032SM
2007 Alectinib 20142014SM
2007 Sofosbuvir 2007, Raymond F. Schinazi. [32] [33] N/AN/AN/ASM
2007 Bevirimat SM
2012 Ivacaftor 20122032SM
2013 Vilanterol 20132033SM
2014 Evolocumab 20152035MA
2014 Umeclidinium bromide (Incruese Ellipta)20142034SM
2014 Tisagenlecleucel 20172037ACT

* MA = Monoclonal antibody

SM = Small molecule

ACT = Adoptive cell transfer

See also

Related Research Articles

<span class="mw-page-title-main">Alkaloid</span> Class of naturally occurring chemical compounds

Alkaloids are a class of basic, naturally occurring organic compounds that contain at least one nitrogen atom. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar structure may also be termed alkaloids. In addition to carbon, hydrogen and nitrogen, alkaloids may also contain oxygen or sulfur. More rarely still, they may contain elements such as phosphorus, chlorine, and bromine.

<span class="mw-page-title-main">Heroin</span> Opioid used as an analgesic and a recreational drug for its euphoric effects

Heroin, also known as diacetylmorphine and diamorphine among other names, is a morphinan opioid substance synthesized from the dried latex of the Papaver somniferum plant; it is mainly used as a recreational drug for its euphoric effects. Medical-grade diamorphine is used as a pure hydrochloride salt. Various white and brown powders sold illegally around the world as heroin are routinely diluted with cutting agents. Black tar heroin is a variable admixture of morphine derivatives—predominantly 6-MAM (6-monoacetylmorphine), which is the result of crude acetylation during clandestine production of street heroin. Heroin is used medically in several countries to relieve pain, such as during childbirth or a heart attack, as well as in opioid replacement therapy.

<span class="mw-page-title-main">Morphine</span> Pain medication of the opiate family

Morphine, formerly also called morphia, is a strong opiate that is found naturally in opium, a dark brown resin produced by drying the latex of opium poppies. It is mainly used as an analgesic. There are numerous methods used to administer morphine: oral; sublingual; via inhalation; injection into a muscle, injection under the skin, or injection into the spinal cord area; transdermal; or via rectal suppository. It acts directly on the central nervous system (CNS) to induce analgesia and alter perception and emotional response to pain. Physical and psychological dependence and tolerance may develop with repeated administration. It can be taken for both acute pain and chronic pain and is frequently used for pain from myocardial infarction, kidney stones, and during labor. Its maximum effect is reached after about 20 minutes when administered intravenously and 60 minutes when administered by mouth, while the duration of its effect is 3–7 hours. Long-acting formulations of morphine are available as MS-Contin, Kadian, and other brand names as well as generically.

<span class="mw-page-title-main">Opium</span> Dried latex of the opium poppy containing narcotic compounds

Opium is dried latex obtained from the seed capsules of the opium poppy Papaver somniferum. Approximately 12 percent of opium is made up of the analgesic alkaloid morphine, which is processed chemically to produce heroin and other synthetic opioids for medicinal use and for the illegal drug trade. The latex also contains the closely related opiates codeine and thebaine, and non-analgesic alkaloids such as papaverine and noscapine. The traditional, labor-intensive method of obtaining the latex is to scratch ("score") the immature seed pods (fruits) by hand; the latex leaks out and dries to a sticky yellowish residue that is later scraped off and dehydrated. The word meconium historically referred to related, weaker preparations made from other parts of the opium poppy or different species of poppies.

<span class="mw-page-title-main">Recreational drug use</span> Use of drugs with the primary intention to alter the state of consciousness

Recreational drug use is the use of one or more psychoactive drugs to induce an altered state of consciousness, either for pleasure or for some other casual purpose or pastime. When a psychoactive drug enters the user's body, it induces an intoxicating effect. Recreational drugs are commonly divided into three categories: depressants, stimulants, and hallucinogens.

<span class="mw-page-title-main">Thebaine</span> Opiate alkaloid constituent of opium

Thebaine (paramorphine), also known as codeine methyl enol ether, is an opiate alkaloid, its name coming from the Greek Θῆβαι, Thēbai (Thebes), an ancient city in Upper Egypt. A minor constituent of opium, thebaine is chemically similar to both morphine and codeine, but has stimulatory rather than depressant effects. At high doses, it causes convulsions similar to strychnine poisoning. The synthetic enantiomer (+)-thebaine does show analgesic effects apparently mediated through opioid receptors, unlike the inactive natural enantiomer (−)-thebaine. While thebaine is not used therapeutically, it is the main alkaloid extracted from Papaver bracteatum and can be converted industrially into a variety of compounds, including hydrocodone, hydromorphone, oxycodone, oxymorphone, nalbuphine, naloxone, naltrexone, buprenorphine, butorphanol and etorphine.

<span class="mw-page-title-main">Narcotic</span> Chemical substance with psycho-active properties

The term narcotic originally referred medically to any psychoactive compound with numbing or paralyzing properties. In the United States, it has since become associated with opiates and opioids, commonly morphine and heroin, as well as derivatives of many of the compounds found within raw opium latex. The primary three are morphine, codeine, and thebaine.

<span class="mw-page-title-main">Laudanum</span> Tincture of opium

Laudanum is a tincture of opium containing approximately 10% powdered opium by weight. Laudanum is prepared by dissolving extracts from the opium poppy in alcohol (ethanol).

<span class="mw-page-title-main">Secondary metabolite</span> Type of organic compound

Secondary metabolites, also called specialised metabolites, toxins, secondary products, or natural products, are organic compounds produced by any lifeform, e.g. bacteria, fungi, animals, or plants, which are not directly involved in the normal growth, development, or reproduction of the organism. Instead, they generally mediate ecological interactions, which may produce a selective advantage for the organism by increasing its survivability or fecundity. Specific secondary metabolites are often restricted to a narrow set of species within a phylogenetic group. Secondary metabolites often play an important role in plant defense against herbivory and other interspecies defenses. Humans use secondary metabolites as medicines, flavourings, pigments, and recreational drugs.

<span class="mw-page-title-main">Opioid</span> Psychoactive chemical

Opioids are a class of drugs that derive from, or mimic, natural substances found in the opium poppy plant. Opioids work in the brain to produce a variety of effects, including pain relief. As a class of substances, they act on opioid receptors to produce morphine-like effects.

<span class="mw-page-title-main">Clandestine chemistry</span> Illegal preparation of chemicals

Clandestine chemistry is chemistry carried out in secret, and particularly in illegal drug laboratories. Larger labs are usually run by gangs or organized crime intending to produce for distribution on the black market. Smaller labs can be run by individual chemists working clandestinely in order to synthesize smaller amounts of controlled substances or simply out of a hobbyist interest in chemistry, often because of the difficulty in ascertaining the purity of other, illegally synthesized drugs obtained on the black market. The term clandestine lab is generally used in any situation involving the production of illicit compounds, regardless of whether the facilities being used qualify as a true laboratory.

<span class="mw-page-title-main">Medicinal plants</span> Plants or derivatives used to treat medical conditions in humans or animals

Medicinal plants, also called medicinal herbs, have been discovered and used in traditional medicine practices since prehistoric times. Plants synthesize hundreds of chemical compounds for various functions, including defense and protection against insects, fungi, diseases, and herbivorous mammals.

<i>Papaver somniferum</i> Species of flowering plant in the family Papaveraceae

Papaver somniferum, commonly known as the opium poppy or breadseed poppy, is a species of flowering plant in the family Papaveraceae. It is the species of plant from which both opium and poppy seeds are derived and is also a valuable ornamental plant grown in gardens. Its native range was east of the Mediterranean Sea, but now is obscured by ancient introductions and cultivation, being naturalized across much of Europe and Asia.

<span class="mw-page-title-main">Phytochemistry</span> Study of phytochemicals, which are chemicals derived from plants

Phytochemistry is the study of phytochemicals, which are chemicals derived from plants. Phytochemists strive to describe the structures of the large number of secondary metabolites found in plants, the functions of these compounds in human and plant biology, and the biosynthesis of these compounds. Plants synthesize phytochemicals for many reasons, including to protect themselves against insect attacks and plant diseases. The compounds found in plants are of many kinds, but most can be grouped into four major biosynthetic classes: alkaloids, phenylpropanoids, polyketides, and terpenoids.

<span class="mw-page-title-main">Noscapine</span> Chemical compound

Noscapine is a benzylisoquinoline alkaloid, of the phthalideisoquinoline structural subgroup, which has been isolated from numerous species of the family Papaveraceae. It lacks significant hypnotic, euphoric, or analgesic effects affording it with very low addictive potential. This agent is primarily used for its antitussive (cough-suppressing) effects.

<span class="mw-page-title-main">Ibogaine</span> Psychoactive substance found in plants in the family Apocynaceae

Ibogaine is a naturally occurring psychoactive substance found in plants in the family Apocynaceae such as Tabernanthe iboga, Voacanga africana, and Tabernaemontana undulata. It is a psychedelic with dissociative properties.

<span class="mw-page-title-main">Codeine</span> Opiate and prodrug of morphine used to treat pain

Codeine is an opiate and prodrug of morphine mainly used to treat pain, coughing, and diarrhea. It is also commonly used as a recreational drug. It is found naturally in the sap of the opium poppy, Papaver somniferum. It is typically used to treat mild to moderate degrees of pain. Greater benefit may occur when combined with paracetamol (acetaminophen) or a nonsteroidal anti-inflammatory drug (NSAID) such as aspirin or ibuprofen. Evidence does not support its use for acute cough suppression in children or adults. In Europe, it is not recommended as a cough medicine in those under 12 years of age. It is generally taken by mouth. It typically starts working after half an hour, with maximum effect at two hours. Its effects last for about four to six hours. Codeine exhibits abuse potential similar to other opioid medications, including a risk of habituation and overdose.

<span class="mw-page-title-main">Poppy straw</span> Portion of opium poppy

Poppy straw is derived from opium poppies that are harvested when fully mature and dried by mechanical means. Opium poppy straw is what remains after the seed pods have been harvested - that is, the dried stalks, stem and leaves of poppies grown for their seeds. The field-dried leaves, stalk, and seed pod are then used in commercial manufacture of morphine or other poppy-alkaloid derived drugs, by first processing the material, separating the seeds, and then making concentrate of poppy straw where no extraction using the traditional methods of latex extraction has been made. The straw was originally considered an agricultural by-product of the mechanised poppy seed harvest, which was primarily grown for its edible and oil-producing seed. This changed in 1927 when János Kabay developed a chemical process to extract morphine from the crushed capsule. Concentrated poppy straw, consisting mainly of the crushed capsule without the seeds, soon became a valuable source of morphine. Today, concentrate of poppy straw is a major source of many opiates and other alkaloids. It is the source of 90% of the world supply of legal morphine and in some countries it also is a source of illegal morphine, which could be processed into illegal heroin.

<span class="mw-page-title-main">Opiate</span> Substance derived from opium

An opiate is an alkaloid substance derived from opium. It differs from the similar term opioid in that the latter is used to designate all substances, both natural and synthetic, that bind to opioid receptors in the brain. Opiates are alkaloid compounds naturally found in the opium poppy plant Papaver somniferum. The psychoactive compounds found in the opium plant include morphine, codeine, and thebaine. Opiates have long been used for a variety of medical conditions, with evidence of opiate trade and use for pain relief as early as the eighth century AD. Most opiates are considered drugs with moderate to high abuse potential and are listed on various "Substance-Control Schedules" under the Uniform Controlled Substances Act of the United States of America.

Substituted amphetamines are a class of compounds based upon the amphetamine structure; it includes all derivative compounds which are formed by replacing, or substituting, one or more hydrogen atoms in the amphetamine core structure with substituents. The compounds in this class span a variety of pharmacological subclasses, including stimulants, empathogens, and hallucinogens, among others. Examples of substituted amphetamines are amphetamine (itself), methamphetamine, ephedrine, cathinone, phentermine, mephentermine, tranylcypromine, bupropion, methoxyphenamine, selegiline, amfepramone (diethylpropion), pyrovalerone, MDMA (ecstasy), and DOM (STP).

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