NOVEL PROCESS FOR PREPARATION OF SPIRO[2.5]OCTANE-5,7-DIONE AND SPIRO[3.5]NONANE-6,8-DIONE
摘要
This invention relates to methods for the synthesis of spiro[2.5]octane-5, 7-dione and spiro[3.5]nonane-6, 8-dione which are useful as intermediates in the manufacture of pharmaceutically active ingredients.
申请公布号
WO2016037534(A1)
申请公布日期
2016.03.17
申请号
WO2015CN88345
申请日期
2015.08.28
申请人
BOEHRINGER INGELHEIM INTERNATIONAL TRADING (SHANGHAI) CO. LTD.
