Process for the preparation of N,N' -carbonylbislactams
申请人:——
公开号:US20010044532A1
公开(公告)日:2001-11-22
The invention relates to a process for the preparation of N,N′-carbonylbislactams by reaction of phosgene with at least one lactam which is characterized in that the tertiary amine is chosen from the group consisting of non-nucleophilic aliphatic tertiary amines.
N,N′-Carbonylbislactams of high purity are thus obtained with good yields, both in the laboratory and on the industrial scale.
An efficient synthesis of tertiary amines from nitriles in aprotic solvents
作者:Jonathan Shares、Jenna Yehl、Amanda Kowalsick、Philip Byers、Michael P. Haaf
DOI:10.1016/j.tetlet.2012.06.044
日期:2012.8
Tertiaryamines are utilized extensively as non-nucleophilic proton scavengers for a number of organic transformations. Herein we report the efficient syntheses of tertiary alkyl aminesfrom their corresponding alkyl nitriles in the presence of a heterogeneous palladium catalyst and a source of dihydrogen in aprotic solvents. The reaction is atom economic, the conditions are mild, and the isolated