amide de l'acide pentene-4oique) par elimination thermique de derives O-acetyles d'hydroxylamines. Les azadienes subissent une cycloaddition intramoleculaire pour donner des derives piperidiniques. La reaction a une stereochimie exo predominante
制备 de N-酰基氮杂-1二烯(par ensemble allylidene amide de l'acide pentene-4oique)par 消除thermique de衍生O-乙酰基d'羟胺。Les azadienes subissent une cycloaddition intramoleculaire pour donner des衍生哌啶。La 反应是一个 une 立体化学 exo predominante
New synthesis of 2-azetines and 1-azabutadienes and the use of the latter in Diels-Alder reactions: total synthesis of (.+-.)-.delta.-coniceine
作者:Michael E. Jung、Yong Mi Choi
DOI:10.1021/jo00024a001
日期:1991.11
An efficient synthesis of 1-acyl-2-azetines, their thermal electrocyclic ring opening to 1-acyl-1-azabutadienes, and intra- and intermolecular Diels-Alder reactions of the resultant azadienes are described. A total synthesis of (+/-)-delta-coniceine has been carried out by this route.
Diels-Alder reactions of 1-azadienes
作者:Yea Shun Cheng、Andrew T. Lupo、Frank W. Fowler
DOI:10.1021/ja00364a040
日期:1983.12
A new method for generation and intramolecular diels-alder reaction of N-acyl and N-alkoxycarbonyl-1-aza-1,3-butadibnes. A one-pot synthesis of 1,7,8,8a-tetrahydro-3(2H)-indolizinones and 1,2,3,8,9,9a-hexahydro-4(4h)-quinolinones from α,β-unsaturated aldehydes
作者:Tadao Uyehara、Ichiro Suzuki、Yoshinori Yamamoto
DOI:10.1016/s0040-4039(00)97462-8
日期:——
UYEHARA, TADAO;SUZUKI, ICHIRO;YAMAMOTO, YOSHINORI, TETRAHEDRON. LETT., 31,(1990) N6, C. 3753-3756