专利检索 ap:("Donesta Bioscience B.V.") AND inv:"Erwin Gerardus Jacobus WARMERDAM" 第 1 页

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发明申请
SYNTHESIS OF ESTETROL VIA ESTRONE DERIVED STEROIDS 审中-公开

公开(公告)号：US20180265540A1

公开(公告)日：2018-09-20

申请号：US15982284

申请日：2018-05-17

申请人： Donesta Bioscience B.V.

发明人： Mark Theodoor VERHAAR , Thomas KOCH , Erwin Gerardus Jacobus WARMERDAM

IPC分类号： C07J1/00 , C07J21/00

CPC分类号： C07J1/007 , C07J1/0059 , C07J1/0066 , C07J21/00

摘要： A process is provided for the making of estetrol starting from a 3-A-oxy-estra-1,3,5(10),15-tetraen-17-one, wherein A is an C1-C5 alkyl group, preferably a methyl group, or a C7-C12 benzylic group, preferably a benzyl group. This process is particularly suitable to industry.