Compound spirit of ether, also called Hoffmann's anodyne, Hoffmann's drops, or aetheris spiritus compositus, is a solution of one part diethyl ether in three parts alcohol. [1] It is used traditionally as an anodyne or as a hypnotic. Its use as a drug was introduced by Friedrich Hoffmann. [2]
Ernst Theodor Amadeus Hoffmann was a German Romantic author of fantasy and Gothic horror, a jurist, composer, music critic and artist. His stories form the basis of Jacques Offenbach's opera The Tales of Hoffmann, in which Hoffmann appears as the hero. He is also the author of the novella The Nutcracker and the Mouse King, on which Pyotr Ilyich Tchaikovsky's ballet The Nutcracker is based. The ballet Coppélia is based on two other stories that Hoffmann wrote, while Schumann's Kreisleriana is based on Hoffmann's character Johannes Kreisler.
In organic chemistry, an ethyl group is an alkyl substituent with the formula −CH2CH3, derived from ethane. Ethyl is used in the International Union of Pure and Applied Chemistry's nomenclature of organic chemistry for a saturated two-carbon moiety in a molecule, while the prefix "eth-" is used to indicate the presence of two carbon atoms in the molecule.
Quinoline is a heterocyclic aromatic organic compound with the chemical formula C9H7N. It is a colorless hygroscopic liquid with a strong odor. Aged samples, especially if exposed to light, become yellow and later brown. Quinoline is only slightly soluble in cold water but dissolves readily in hot water and most organic solvents. Quinoline itself has few applications, but many of its derivatives are useful in diverse applications. A prominent example is quinine, an alkaloid found in plants. Over 200 biologically active quinoline and quinazoline alkaloids are identified. 4-Hydroxy-2-alkylquinolines (HAQs) are involved in antibiotic resistance.
Chloroacetic acid, industrially known as monochloroacetic acid (MCA), is the organochlorine compound with the formula ClCH2CO2H. This carboxylic acid is a useful building block in organic synthesis. It is a colorless solid. Related compounds are dichloroacetic acid and trichloroacetic acid.
August Heinrich Hoffmann was a German poet. He is best known for writing "Das Lied der Deutschen", whose third stanza is now the national anthem of Germany, and a number of popular children's songs, considered part of the Young Germany movement.
Diethyl ether, or simply ether, is an organic compound with the chemical formula (CH3CH2)2O, sometimes abbreviated as Et2O. It is a colourless, highly volatile, sweet-smelling, extremely flammable liquid. It belongs to the ether class of organic compounds. It is a common solvent. It was formerly used as a general anesthetic.
Johann Centurius Hoffmann Graf von Hoffmannsegg was a German botanist, entomologist and ornithologist. The standard author abbreviation Hoffmanns. is used to indicate this person as the author when citing a botanical name.
Joachim Hoffmann was a German historian who was the academic director of the German Armed Forces Military History Research Office.
Kreisleriana, Op. 16, is a composition in eight movements by Robert Schumann for solo piano, subtitled Phantasien für das Pianoforte. Schumann claimed to have written it in only four days in April 1838 and a revised version appeared in 1850. The work was dedicated to Frédéric Chopin, but when a copy was sent to the Polish composer, "he commented favorably only on the design of the title page".
Chloral, also known as trichloroacetaldehyde or trichloroethanal, is the organic compound with the formula Cl3CCHO. This aldehyde is a colourless liquid that is soluble in a wide range of solvents. It reacts with water to form chloral hydrate, a once widely used sedative and hypnotic substance.
Elemicin is a phenylpropene, a natural organic compound, and is a constituent of several plant species' essential oils.
α-Pinene is an organic compound of the terpene class. It is one of the two isomers of pinene, the other being β-pinene. An alkene, it contains a reactive four-membered ring. It is found in the oils of many species of coniferous trees, notably the Pinus and Picea species. It is also found in the essential oil of rosemary and Satureja myrtifolia. Both enantiomers are known in nature; (1S,5S)- or (−)-α-pinene is more common in European pines, whereas the (1R,5R)- or (+)-α-isomer is more common in North America. The enantiomers' racemic mixture is present in some oils such as eucalyptus oil and orange peel oil.
Etonitazene, also known as EA-4941 or CS-4640, is a benzimidazole opioid, first reported in 1957, that has been shown to have approximately 1,000 to 1,500 times the potency of morphine in animals.
Christian Hoffmann von Hoffmannswaldau was a German poet of the Baroque era.
Hoffman is a German or Jewish surname or given name.
Meine Seele rühmt und preist, BWV 189, is a church cantata credited to Johann Sebastian Bach and Melchior Hoffmann.
The following drugs are controlled by the German Narcotic Drugs Act. Trade and possession of these substances without licence or prescription is considered illegal; prescription is illegal for drugs on Anlage I and II and drugs on Anlage III require a special prescription form.
Methylestradiol, sold under the brand names Ginecosid, Ginecoside, Mediol, and Renodiol, is an estrogen medication which is used in the treatment of menopausal symptoms. It is formulated in combination with normethandrone, a progestin and androgen/anabolic steroid medication. Methylestradiol is taken by mouth.
Liebe und Eifersucht is a Singspiel, an opera with spoken dialogue, in three acts by the German composer and author E. T. A. Hoffmann, composed in 1807 on his own libretto based on the translation by August Wilhelm Schlegel of a play by Calderón. The opera was first published by Schott in 1999, and premiered at the 2008 Ludwigsburger Schlossfestspiele.
Alexander Hoffmann is a German politician of the Christian Social Union (CSU) who has been serving as a member of the Bundestag from the state of Bavaria since 2013, representing Main-Spessart.
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