Enantioselective allylation of N-(trimethylsilyl)benzaldehyde imine using polymer-supported chiral allylboron reagents
作者:Ashraf A El-Shehawy、Magdy Y Abdelaal、Katsuhiro Watanabe、Koichi Ito、Shinichi Itsuno
DOI:10.1016/s0957-4166(97)00184-5
日期:1997.6
trimethallylborane, and tri(3,3-dimethylallyl)borane, respectively, to give polymeric allylating agents. N-(Trimethylsilyl)benzaldehyde imine was allowed to react with the polymeric chiral reagents to afford the corresponding primary homoallylamines in high yield and good enantioselectivities.
将由(1 R)-(+)樟脑的对映体纯氨基醇1c和2c与苯乙烯和二乙烯基苯共聚获得的聚合物负载的手性N-磺酰基氨基醇3和4用三烯丙基硼烷,三甲基烯丙基硼烷和三(3, 3-二甲基烯丙基)硼烷分别得到聚合的烯丙基化剂。使N-(三甲基甲硅烷基)苯甲醛亚胺与聚合物手性试剂反应,以高收率和良好的对映选择性提供相应的伯均烯丙基胺。