Invention Grant
- Patent Title: Process for the production of 9beta-chloroprostaglandins
- Patent Title (中): 生产9beta-氯前列腺素的方法
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Application No.: US110745Application Date: 1987-08-07
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Publication No.: US4806668APublication Date: 1989-02-21
- Inventor: Bernd Raduechel , Werner Skuballa , Helmut Vorbrueggen
- Applicant: Bernd Raduechel , Werner Skuballa , Helmut Vorbrueggen
- Applicant Address: DEX Berlin and Bergkamen
- Assignee: Schering Aktiengesellschaft
- Current Assignee: Schering Aktiengesellschaft
- Current Assignee Address: DEX Berlin and Bergkamen
- Priority: DEX3543991 19851210
- Main IPC: C07C47/198
- IPC: C07C47/198 ; C07C45/00 ; C07C45/59 ; C07C45/60 ; C07C47/277 ; C07C49/753 ; C07C67/00 ; C07C405/00 ; C07F7/18 ; C07F7/08
Abstract:
The invention relates to a process for the production of (5-chloro-3-hydroxycyclopentyl) acetaldehydes of formula II ##STR1## in which R signifies a benzyl radical, a tert-butyldimethylsilyl radical or a tert-butyldiphenylsilyl radical, characterized in that a compound of formula I ##STR2## in which R has the meanings already mentioned, is reduced in the presence of a reduction agent.
Public/Granted literature
- US6046247A Production of rigid polyurethane foams having a low thermal conductivity Public/Granted day:2000-04-04
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