Stereoselective syntheses of piperidinones and their modification by organometallic coupling reactions
作者:Birgit Kranke、Horst Kunz
DOI:10.1039/b615113b
日期:——
Dehydropiperidinones stereoselectively obtained from N-arabinosyl imines were iodinated at the enaminone structure. Knochel iodine-magnesium exchange afforded Grignard compounds of these piperidinone derivatives which reacted, either directly or after transmetalation to zinc or copper intermediates, with alkyl-, aryl- or acylhalides to give correspondingly substituted piperidinones. Stereoselective conjugate