Synthesis of 3-substituted N-allylisoindolinone derivatives by the acetate method
摘要:
A series of N-allylisoindolinone derivatives were prepared by a novel sequential reaction of 2-allyl-3-oxoisoindolin-1-yl acetate with C-nucleophiles in the presence of trimethylsilyl trifluoromethanesulfonate. The nucleophiles included arenes, alkenes, and active methylene to give 3-substituted N-allylisoindolinone products. This method was applied to synthesize cyclohexane-fused indolizidine alkaloid mimics using Grubbs' catalyst..
One-Pot Hydroxy Group Activation/Carbon-Carbon Bond Forming Sequence Using a Brønsted Base/Brønsted Acid System
作者:Alice Devineau、Guillaume Pousse、Catherine Taillier、Jérôme Blanchet、Jacques Rouden、Vincent Dalla
DOI:10.1002/adsc.201000602
日期:2010.11.22
distinct feature of the trichloroacetimidate group allows use of weaker acid catalysts such as 1,1′-bi-2-naphthol (BINOL)-derived phosphoric acid, pointing out the possible development of an enantioselective variant. This unprecedented sequential one-potBrønsted base-Brønsted acid catalysis further expands the synthetic scope of the trichloroacetimidate group.