1002-68-2Relevant articles and documents
HINDERED ORGANOBORON GROUPS IN ORGANIC SYNTHESIS. 13. THE DIRECT PRODUCTION OF KETONES FROM ALIPHATIC ALDEHYDES BY A UNIQUE VARIANT OF THE BORON-WITTIG REACTION
Pelter, Andrew,Smith, Keith,Elgendy, Said,Rowlands, Martin
, p. 5643 - 5646 (1989)
In the presence of trifluoroacetic anhydride or N-chlorosuccinimide, aliphatic aldehydes react with dimesitylboron stabilised carbanions to give after work up, the corresponding ketones, a process wich is unique among Wittig type reactions.Yields of ketones are satisfactory in all cases except those involving the anion derived from the parent compound dimesitylmethylborane, wich give the corresponding alkenes.
TRANSITION METHAL-CATALYZED SUBSTITUTION REACTION OF ALLYLIC PHOSPHATES WITH GRIGNARD REAGENTS
Yanagisawa, Akira,Nomura, Nobuyoshi,Yamamoto, Hisashi
, p. 6017 - 6028 (2007/10/02)
SN2-selective Grignard coupling with primary allylic diphenylphosphates was successfully achieved using Ni or Fe catalyst.In sharp contrast, a catalytic amount of CuCN*2LiCl promoted a SN2'-selective coupling reaction.In the presence of the copper catalyst, stereochemically homogeneous γ-disubstituted allyl Grignard reagents reacted at the less substituted allylic terminus (α-position) with an allylic diphenylphosphate selectively without losing the double bond geometry.
DECARBOXYLATION OF ALIPHATIC α,β-UNSATURATED ALDEHYDES USING THE WILKINSON COMPLEX
Grigor'eva, N. Ya.,Pinsker, O. A.,Semenovskii, A. V.
, p. 593 - 594 (2007/10/02)
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