The present invention relates to improved methods for synthesising cyproterone acetate (17alpha-Acetoxy-6-chloro-1alpha, 2alpha-methylene-4,6-pregnadiene-3,20-dione) from solasodine. The methods of the invention are shorter as those of the prior art and therefore more economic.
申请公布号
WO03092578(A3)
申请公布日期
2004.04.08
申请号
WO2003EP03831
申请日期
2003.04.14
申请人
BOEHRINGER INGELHEIM INTERNATIONAL GMBH;MANOSROI, ARANYA;MANOSROI, JIRADEJ;BUDDHASUKH, DUANG;SRIPALAKIT, PATTANA;MAIER, ROLAND;WERNER, ROLF
