A NEW METHOD FOR AROMATIZAT ION OF Δ^(5(10))-STEROIDAL C_(3)-DIMETHYL KETALS  

作　　者：Guang Dian HAN Hong Yan WEN 

机构地区：[1]Institute of Materia Medica,Chinese Academy of Medical Sciences Beijing,100050

出　　处：《Chinese Chemical Letters》1993年第2期107-108,共2页中国化学快报(英文版)

摘　　要：A new method for aromatization of Δ^(5(10))-steroidal C_3-dimethyl ketals with pyridinium hydrobromide perbromide (PHP.Py·HBr·Br_2) to aromatic A ring steroids in high yield (90-95%) is described.A new method for aromatization of Δ^(5(10))-steroidal C_(3)-dimethyl ketals with pyridinium hydrobromide perbromide (PHP.Py·HBr·Br_2) to aromatic A ring steroids in high yield (90-95%) is described.

关 键 词：ION STEROIDAL C3-DIMETHYL KETALS A NEW METHOD FOR AROMATIZAT ION OF PHP 

分 类 号：O6[理学—化学]