Invention Grant
![Process for the preparation of spiro[2.5]octane-5,7-dione and spiro[3.5]nonane-6,8-dione](/docs/US/2018-04-10/US09938228B2/abs.jpg.600x600.jpg)
- Patent Title: Process for the preparation of spiro[2.5]octane-5,7-dione and spiro[3.5]nonane-6,8-dione
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Application No.: US15509504Application Date: 2015-08-28
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Publication No.: US09938228B2Publication Date: 2018-04-10
- Inventor: Xiangle Jin , Weitong Dong , Yan Fu , Jun Lu , Le Xie , Wei Xu , Jinsong Yang , Qian Zhu
- Applicant: Boehringer Ingelheim International GmbH
- Applicant Address: DE Ingelheim am Rhein
- Assignee: Boehringer Ingelheim International GmbH
- Current Assignee: Boehringer Ingelheim International GmbH
- Current Assignee Address: DE Ingelheim am Rhein
- Agent Marc Began; David L. Kershner
- Priority: WOPCT/CN2014/086143 20140909
- International Application: PCT/CN2015/088345 WO 20150828
- International Announcement: WO2016/037534 WO 20160317
- Main IPC: C07C69/74
- IPC: C07C69/74 ; C07C69/608 ; C07C69/757 ; C07C69/716 ; C07C67/347 ; C07C59/205 ; C07C45/67 ; C07C45/54
![Process for the preparation of spiro[2.5]octane-5,7-dione and spiro[3.5]nonane-6,8-dione](/abs-image/US/2018/04/10/US09938228B2/abs.jpg.150x150.jpg)
Abstract:
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.
Public/Granted literature
- US20170247315A1 NOVEL PROCESS FOR THE PREPARATION OF SPIRO[2.5]OCTANE-5,7-DIONE AND SPIRO[3.5]NONANE-6,8-DIONE Public/Granted day:2017-08-31
Information query
