cyclopentenyl
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Quinbolone — Drugbox IUPAC name = (8 R ,9 S ,10 R ,13 S ,14 S ,17 S ) 17 (1 Cyclopentenyloxy) 10,13 dimethyl 6,7,8,9,11,12,14,15,16,17 decahydrocyclopenta [a] phenanthren 3 one width = 200 CAS number=2487 63 0 ATC prefix=A14 ATC suffix=AA06 ATC supplemental=… … Wikipedia
Cyclopal — Systematic (IUPAC) name 5 (1 cyclopent 2 enyl) 5 prop 2 enyl 1,3 diazinane 2,4,6 trione Clinical data Pregnancy cat. … Wikipedia
Ene reaction — The Ene reaction (also known as the Alder ene reaction) is a chemical reaction between an alkene with an allylic hydrogen (the ene) and a compound containing a multiple bond (the enophile), in order to form a new σ bond with migration of the ene… … Wikipedia
Woodward–Hoffmann rules — The Woodward–Hoffmann rules devised by Robert Burns Woodward and Roald Hoffmann are a set of rules in organic chemistry predicting the stereochemistry of pericyclic reactions based on orbital symmetry. These include electrocyclic reactions,… … Wikipedia
Nazarov cyclization reaction — The Nazarov cyclization reaction (often referred to as simply the Nazarov cyclization) is a chemical reaction used in organic chemistry for the synthesis of cyclopentenones. The reaction is typically divided into classical and modern variants,… … Wikipedia
Desymmetrization — in stereochemistry is the modification of a molecule that results in the loss of one or more symmetry elements. An important application involves the introduction of chirality. Formally, such conversion require the loss of an improper axis of… … Wikipedia
oil — oilless, adj. oillessness, n. oillike, adj. /oyl/, n. 1. any of a large class of substances typically unctuous, viscous, combustible, liquid at ordinary temperatures, and soluble in ether or alcohol but not in water: used for anointing, perfuming … Universalium
Désymétrisation — La désymétrisation en stéréochimie est la modification d une molécule qui se traduit par la perte d un ou plusieurs éléments de symétrie, comme celles qui donnent lieu à l apparition de chiralité (perte d un miroir plan, d un centre d inversion… … Wikipédia en Français
