Aza-claisen rearrangement of amide enolates. Stereoselective synthesis of 2,3-disubstituted carboxamides
作者:Tetsuto Tsunoda、Osamu Sasaki、Shô Itô
DOI:10.1016/s0040-4039(00)94614-8
日期:1990.1
Aza-Claisen rearrangement of enolates of N-2-butenyl-N-butylpropanamides proceeded with high stereoselectivity (up to 99.5:0.5) to yield N-butyl-2,3-dimethyl-4-pentenamides (up to 94% yield).
Auxiliary-reagent mediated asymmetric induction in the aza-Claisen rearrangement
作者:Mark J. Kurth、Owen H.W. Decker
DOI:10.1016/s0040-4039(00)85948-1
日期:1983.1
Chiral induction (72–74% diastereomeric excess) is an auxiliary-reagent mediated aza-Claisen rearrangement yielding 2- and 3-methylpent-4-enoic acids has been demonstrated.
Enantioselective preparation of 3-substituted 4-pentenoic acids via the Claisen rearrangement
作者:Mark J. Kurth、Owen H. W. Decker
DOI:10.1021/jo00350a067
日期:1985.12
Diastereoselective .alpha. allylation of secondary and tertiary thioamides via thio-Claisen rearrangement. A structural proof of Z secondary thioamide dianions and Z tertiary thioamide anions
作者:Y. Tamaru、Y. Furukawa、M. Mizutani、O. Kitao、Z. Yoshida
DOI:10.1021/jo00169a003
日期:1983.10
Stereoselective generation of Z-enolates of thioamides: its application to diastereoselective aldol condensations and thio-Claisen rearrangements
作者:Yoshinao Tamaru、Toshiro Harada、Seiichi Nishi、Masato Mizutani、Takeshi Hioki、Zenichi Yoshida