Methylcoumarin

Last updated

Methylcoumarin is one of a series of isomers in which a methyl group substitutes for a hydrogen atom in coumarin. They all have formula C10H8O2 and molecular weight 160.172 g/mol.

namederivativesmeltingboiling ptCAS NoPubChemEINECSSMILESpic
3-Methylcoumarin 2445-82-117130219-498-8CC1=CC2=CC=CC=C2OC1=O [1]
4-Methylcoumarin 7-Amino-4-methylcoumarin
Hymecromone
607-71-611833210-141-1CC1=CC(=O)OC2=CC=CC=C12 [2]
5-Methylcoumarin 42286-84-039172CC1=C2C=CC(=O)OC2=CC=C1 [3]
6-methylcoumarin 72-7530392-48-87092202-158-8CC1=CC2=C(C=C1)OC(=O)C=C2 6-Methylcoumarin.svg [4]
7-methylcoumarin 128-1302445-83-217131219-499-3CC1=CC2=C(C=C1)C=CC(=O)O2 [5]

Related Research Articles

<span class="mw-page-title-main">Premier League</span> Association football league in England

The Premier League is the highest level of the English football league system. Contested by 20 clubs, it operates on a system of promotion and relegation with the English Football League (EFL). Seasons typically run from August to May, with each team playing 38 matches against all other teams, both home and away. Most games are played on Saturday and Sunday afternoons, with occasional weekday evening fixtures.

<span class="mw-page-title-main">Nicolas Cage</span> American actor (born 1964)

Nicolas Kim Coppola, known by his stage name Nicolas Cage, is an American actor and film producer. He is the recipient of various accolades, including an Academy Award, a Screen Actors Guild Award, and a Golden Globe Award. Known for his versatility as an actor, his participation in various film genres has gained him a cult following.

Yahoo! is an American web services provider. It is headquartered in Sunnyvale, California, and operated by the namesake company Yahoo! Inc., which is 90% owned by investment funds managed by Apollo Global Management and 10% by Verizon Communications.

<span class="mw-page-title-main">Roger Federer</span> Swiss tennis player (born 1981)

Roger Federer is a Swiss former professional tennis player. Federer was ranked world No. 1 in singles by the Association of Tennis Professionals (ATP) for 310 weeks, including a record 237 consecutive weeks, and finished as the year-end No. 1 five times. He won 103 singles titles on the ATP Tour, the second most of all time, including 20 major men's singles titles and six year-end championships.

<span class="mw-page-title-main">Palme d'Or</span> Highest prize awarded at the Cannes Film Festival

The Palme d'Or is the highest prize awarded at the Cannes Film Festival. It was introduced in 1955 by the festival's organizing committee. Previously, from 1939 to 1954, the festival's highest prize was the Grand Prix du Festival International du Film. In 1964, the Palme d'Or was replaced again by the Grand Prix, before being reintroduced in 1975.

<span class="mw-page-title-main">Cristiano Ronaldo</span> Portuguese footballer (born 1985)

Cristiano Ronaldo dos Santos Aveiro is a Portuguese professional footballer who plays as a forward for and captains both Saudi Pro League club Al Nassr and the Portugal national team. Widely regarded as one of the greatest players of all-time, Ronaldo has won five Ballon d'Or awards, a record three UEFA Men's Player of the Year Awards, and four European Golden Shoes, the most by a European player. He has won 33 trophies in his career, including seven league titles, five UEFA Champions Leagues, the UEFA European Championship and the UEFA Nations League. Ronaldo holds the records for most appearances (183), goals (140) and assists (42) in the Champions League, goals in the European Championship (14), international goals (128) and international appearances (205). He is one of the few players to have made over 1,200 professional career appearances, the most by an outfield player, and has scored over 850 official senior career goals for club and country, making him the top goalscorer of all time.

<span class="mw-page-title-main">Ryan Reynolds</span> Canadian and American actor (born 1976)

Ryan Rodney Reynolds is a Canadian and American actor, producer and businessman. He began his career starring in the Canadian teen soap opera Hillside (1991–1993), and had minor roles before landing the lead role on the sitcom Two Guys and a Girl between 1998 and 2001. Reynolds then starred in a range of films, including comedies such as National Lampoon's Van Wilder (2002), Waiting... (2005), and The Proposal (2009). He also performed in dramatic roles in Buried (2010), Woman in Gold (2015), and Life (2017). He starred in action films such as Blade: Trinity (2004), Green Lantern (2011), 6 Underground (2019), Free Guy (2021), and The Adam Project (2022), and provided voice acting in the animated features The Croods film series (2013–2020), Turbo (2013), and Pokémon: Detective Pikachu (2019).

<span class="mw-page-title-main">Photodermatitis</span> Skin condition

Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure. The second and subsequent exposures produce photoallergic skin conditions which are often eczematous. It is distinct from sunburn.

<span class="mw-page-title-main">Steam (service)</span> Video game digital distribution service

Steam is a video game digital distribution service and storefront developed by Valve Corporation. It was launched as a software client in September 2003 to provide game updates automatically for Valve's games, and expanded to distributing third-party titles in late 2005. Steam offers various features, like game server matchmaking with Valve Anti-Cheat measures, social networking, and game streaming services. Steam client's functions include game update automation, cloud storage for game progress, and community features such as direct messaging, in-game overlay functions and a virtual collectable marketplace.

<span class="mw-page-title-main">Pep Guardiola</span> Spanish football manager (born 1971)

Josep "Pep" Guardiola Sala is a Spanish professional football manager and former player who is currently managing Premier League club Manchester City. Guardiola is the only manager to win the continental treble twice, the youngest to win the UEFA Champions League, and he also holds the records for the most consecutive league games won in La Liga, the Bundesliga and the Premier League. He is considered to be one of the greatest managers of all time.

<span class="mw-page-title-main">YouTube</span> Video-sharing platform owned by Google

YouTube is an American online video sharing and social media platform owned by Google. Accessible worldwide, it was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, United States, it is the second most visited website in the world, after Google Search. YouTube has more than 2.5 billion monthly users, who collectively watch more than one billion hours of videos every day. As of May 2019, videos were being uploaded to the platform at a rate of more than 500 hours of content per minute.

<span class="mw-page-title-main">Donald Trump</span> President of the United States from 2017 to 2021

Donald John Trump is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021.

<span class="mw-page-title-main">Facebook</span> Social networking service owned by Meta Platforms

Facebook is a social media and social networking service owned by American technology conglomerate Meta Platforms. Created in 2004 by Mark Zuckerberg with four other Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes, its name derives from the face book directories often given to American university students. Membership was initially limited to Harvard students, gradually expanding to other North American universities. Since 2006, Facebook allows everyone to register from 13 years old, except in the case of a handful of nations, where the age limit is 14 years. As of December 2022, Facebook claimed 3 billion monthly active users. As of October 2023 Facebook ranked as the 3rd most visited website in the world with 22.56% of its traffic coming from the United States. It was the most downloaded mobile app of the 2010s.

<span class="mw-page-title-main">2018 FIFA World Cup</span> Association football tournament in Russia

The 2018 FIFA World Cup, also branded as Russia 2018 was the 21st FIFA World Cup, the quadrennial world championship for national football teams organized by FIFA. It took place in Russia from 14 June to 15 July 2018, after the country was awarded the hosting rights in late 2010. It was the eleventh time the championships had been held in Europe, the first time they were held in Eastern Europe, and the first time they were held across two continents. At an estimated cost of over $14.2 billion, it was the most expensive World Cup ever held until it was surpassed by the 2022 World Cup in Qatar.

<span class="mw-page-title-main">Wikimedia Foundation</span> American charitable organization

The Wikimedia Foundation, Inc. (WMF) is an American 501(c)(3) nonprofit organization headquartered in San Francisco, California, and registered as a charitable foundation under local laws. It is best known as the host platform for Wikipedia, the largest crowdsourced online encyclopedia and the 7th most visited website in the world, but also hosts other related projects and MediaWiki, a wiki software.

<span class="mw-page-title-main">Ub-AMC</span>

Ubiquitin-AMC is a fluorogenic substrate for a wide range of deubiquitinating enzymes (DUBs), including ubiquitin C-terminal hydrolases (UCHs) and ubiquitin specific proteases (USPs). It is a particularly useful reagent for the study of deubiquitinating activity where detection sensitivity or continuous monitoring of activity is essential.

<span class="mw-page-title-main">Mohamed Salah</span> Egyptian footballer (born 1992)

Mohamed Salah Hamed Mahrous Ghaly, known as Mohamed Salah or Mo Salah, is an Egyptian professional footballer who plays as a right winger or forward for Premier League club Liverpool and captains the Egypt national team. Regarded as one of the best players of his generation and among the greatest African players of all time, he is known for his clinical finishing, dribbling and speed.

The molecular formula C10H8O2 may refer to:

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

Orsellinaldehyde is a dihydroxybenzaldehyde with a methyl side group. It can be classified as a resorcinol, benzaldehyde or toluene derivative. It is a natural product of several fungi. Fungi that contain it include Grifola frondosa, Aspergillus cleistominutus, Aspergillus nidulans, and Agrocybe praecox.

References

  1. "3-methylcoumarin" . Retrieved 16 May 2018.
  2. "4-methylcoumarin" . Retrieved 16 May 2018.
  3. "5-methylcoumarin" . Retrieved 16 May 2018.
  4. "6-Methylcumarin". 10 May 2018. Retrieved 16 May 2018 via Wikipedia.
  5. "7-methylcoumarin" . Retrieved 16 May 2018.