Invention Grant
US08841474B2 Process for preparing 6-chlorodibenzo[D,F][1,3,2]dioxaphosphepin
有权
6-氯二苯并[D，F] [1,3,2]二氧杂磷杂环己烷的制备方法
![Process for preparing 6-chlorodibenzo[D,F][1,3,2]dioxaphosphepin](/docs/US/2014-09-23/US08841474B2/abs.jpg.600x600.jpg)
- Patent Title: Process for preparing 6-chlorodibenzo[D,F][1,3,2]dioxaphosphepin
- Patent Title (中): 6-氯二苯并[D，F] [1,3,2]二氧杂磷杂环己烷的制备方法
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Application No.: US13731847Application Date: 2012-12-31
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Publication No.: US08841474B2Publication Date: 2014-09-23
- Inventor: Ulrich Berens , Holger Ganz , Franz Niklaus Windlin , Alexander Tishkov
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Drinker Biddle & Reath LLP
- Main IPC: C07F9/6571
- IPC: C07F9/6571 ; C07F9/6574
![Process for preparing 6-chlorodibenzo[D,F][1,3,2]dioxaphosphepin](/abs-image/US/2014/09/23/US08841474B2/abs.jpg.150x150.jpg)
Abstract:
The present invention relates to a process for preparing 6-chlorodibenzo[d,f][1,3,2]dioxaphosphepin (I) which comprises reacting 2,2′-dihydroxybiphenyl with PCl3 in the presence of a catalytic amount of an acid salt of a nitrogen base, wherein the reaction is carried out in the absence of external organic solvents.
Public/Granted literature
- US20130172596A1 PROCESS FOR PREPARING 6-CHLORODIBENZO[D,F][1,3,2]DIOXAPHOSPHEPIN Public/Granted day:2013-07-04
Information query
