- electron donating substituent
- Макаров: электронодонорный заместитель
Универсальный англо-русский словарь. Академик.ру. 2011.
electron donating substituent
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Birch reduction — The Birch reduction is the organic reduction of aromatic rings with sodium and an alcohol in liquid ammonia to form 1,4 cyclohexadienes. The reaction was reported by the Australian chemist Arthur John Birch (1915–1995) in 1944. [cite journal |… … Wikipedia
Push-pull olefin — A push pull olefin is a type of olefin characterized by an electron withdrawing substituent on one side of the double bond and an electron donating substituent on the other side. This makes the pi bond very polarized. The rotational barrier for a … Wikipedia
Carborane — Ball and stick model of o carborane … 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
carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… … Universalium
Carbene — In chemistry, a carbene is a highly reactive organic molecule containing a carbon atom with six valence electrons and having the general formula: R1R2C: (two substituents and two electrons). [Organic Chemistry R.T Morrison, R.N Boyd pp 473 478]… … Wikipedia
Polar effect — The Polar effect or electronic effect in chemistry is the effect exerted by a substituent on modifying electrostatic forces operating on a nearby reaction center. The main contributors to the polar effect are the inductive effect, mesomeric… … Wikipedia
Celecoxib — Systematic (IUPAC) name 4 [5 (4 methylphenyl) 3 (trifluoromethyl) pyrazol 1 yl]benzenesulfonamide Clinical data Trade names … Wikipedia
Nitrone-olefin 3+2 cycloaddition — The correct title of this article is Nitrone olefin [3+2] cycloaddition. The substitution or omission of any < > [ ] { } is due to technical restrictions. The nitrone olefin [3+2] cycloaddition reaction is the combination of a nitrone with… … Wikipedia
Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known … Wikipedia
Friedel–Crafts reaction — The Friedel–Crafts reactions are a set of reactions developed by Charles Friedel and James Crafts in 1877.[1] There are two main types of Friedel–Crafts reactions: alkylation reactions and acylation reactions. This reaction type is a form of… … Wikipedia
