Versatile, stereocontrolled, asymmetric synthesis of E-vinyl glycine derivatives
作者:Zhai Weixu
DOI:10.1016/s0040-4020(01)86048-8
日期:1988.1
The preparation of optically active, E-vinyl glycine derivatives is described. The bromoglycinate 4, couples with trialkyltin acetylides in the presence of ZnCl2 to furnish the anti-alkynes 5. Dissolving metal reduction directly furnishes the N-t-BOC-protected E-vinyl glycine derivatives 6.