Olefination reactions
3,374 reactions: 10 worked examples with a reagent table you can scale, 503 named reactions and 2,861 checked procedures from Organic Syntheses.
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- Wittig olefination: methyltriphenylphosphonium bromide + benzaldehyde → styreneOlefination Canonical Wittig olefination — the textbook 'make an alkene from an aldehyde' demo. Scale
- Aza-Wittig reactionOlefination The Aza-Wittig reaction or is a chemical reaction of a carbonyl group with an aza-ylide, also known as an iminophosphorane (R3P=NR').
- Julia olefinationOlefination The Julia olefination (also known as the Julia–Lythgoe olefination) is the chemical reaction used in organic chemistry of phenyl sulfones (1) with aldehydes (or ketones) to give alkenes (olefins)(3) after alcohol functionalization and reductive elimination using sodium amalgam or SmI2.
- Kauffmann olefinationOlefination The Kauffmann olefination is a chemical reaction to convert aldehydes and ketones to olefins with a terminal methylene group.
- Peterson olefinationOlefination The Peterson olefination (also called the Peterson reaction) is the chemical reaction of α-silyl carbanions (1 in diagram below) with ketones (or aldehydes) to form a β-hydroxysilane (2) which eliminates to form alkenes (3).
- Takai olefinationOlefination Takai olefination in organic chemistry describes the organic reaction of an aldehyde with a diorganochromium compound to form an alkene.
- Wittig reactionOlefination The Wittig reaction or Wittig olefination is a chemical reaction of an aldehyde or ketone with a triphenyl phosphonium ylide called a Wittig reagent.
- 1,2-Wittig rearrangementOlefination A 1,2-Wittig rearrangement is a categorization of chemical reactions in organic chemistry, and consists of a 1,2-rearrangement of an ether with an alkyllithium compound.
- 2,3-Wittig rearrangementOlefination The [2,3]-Wittig rearrangement is the transformation of an allylic ether into a homoallylic alcohol via a concerted, pericyclic process.
- Generation of ynolate and Z-selective olefination of acylsilanes: (Z)-2-methyl-3-trimethylsilyl-2-butenoic acidOlefination
- Nickel-catalyzed silylolefination of allylic dithioacetals: (E,E)-trimethyl(4-phenyl-1,3-butadienyl)silaneOlefination
- Preparation of Horner-Wadsworth-Emmons reagent: methyl 2-benzyloxycarbonylamino-2- (dimethoxy- phosphinyl)acetateOlefination
- Preparation of α,β-unsaturated aldehydes via the Wittig reaction: cyclohexylideneacetaldehydeOlefination
- SYNTHESIS OF (−)-(E,S)-3-(BENZYLOXY)-1-BUTENYL PHENYL SULFONE VIA A HORNER-WADSWORTH-EMMONS REACTION OF (−)-(S)-2-(BENZYLOXY)PROPANAL (Benzene, [[[1-methyl-3-(phenylsulfonyl)-2-propenyl]oxy]methyl]-, [S-(E)]-) from (Propanal, 2-(phenylmethoxy)-, (S)-))Olefination
- Wittig olefination of perfluoroalkyl carboxylic esters; synthesis of 1,1,1-trifluoro-2-ethoxy-5-phenylpent-2-ene and 1-perfluoroalkyl epoxy ethers: 1,1,1-trifluoro-2-ethoxy-2,3-epoxy-5-phenylpentaneOlefination
