名称:
Asymmetric aza-Claisen rearrangement of allyl imidates catalyzed by homochiral cationic palladium(II) complexes
摘要:
The asymmetric aza-Claisen rearrangement of (E)-3-alkyl-2-propenyl N-[4-trifluoromethyl)phenyl]benzimidates was catalyzed by a homochiral cationic palladium(II) complex generated from PdCl2{(S)-2-(2-diphenylphosphino)phenyl-4-benzyloxazoline} and silver tetrafluoroborate (Pd:silver=1:1) to give (S)-N-(1-alkyl-2-propenyl)-N-[4-(trifluoromethyl)phenyl]benzamide of up to 81% ee. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
DOI:
10.1016/s0957-4166(98)00059-7