Examples are given for allylic hydroxylations with Rhizopus arrhizus ATCC 11145. Chemical allylic hydroxylations are compared with microbiological ones. Stereoselective lipase-catalyzed hydrolyses are used efficiently.
Studies towards the total synthesis of taxoids synthesis of an A-ring building unit
作者:S. Arseniyadis、D.V. Yashunsky、R.Pereira de Freitas、M.Muñoz Dorado、E. Toromanoff、P. Potier
DOI:10.1016/s0040-4039(00)77510-1
日期:1993.2
An efficient 11-step synthesis of the optically homogeneous bridged ring system 13, by a SmI2 mediated reductive pinacol coupling is presented.