Invention Grant
![Method for preparing prostacyclin receptor agonist 4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]-1-butanol](/docs/US/2018-08-07/US10040771B2/abs.jpg.600x600.jpg)
- Patent Title: Method for preparing prostacyclin receptor agonist 4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]-1-butanol
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Application No.: US15552764Application Date: 2016-03-31
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Publication No.: US10040771B2Publication Date: 2018-08-07
- Inventor: Fanghui Tang , Chi Ma , Qiang Jia
- Applicant: SEASONS BIOTECHNOLOGY (TAIZHOU) CO., LTD.
- Applicant Address: CN Taizhou
- Assignee: SEASONS BIOTECHNOLOGY (TAIZHOU) CO., LTD.
- Current Assignee: SEASONS BIOTECHNOLOGY (TAIZHOU) CO., LTD.
- Current Assignee Address: CN Taizhou
- Agent Zhaoyang Li
- Priority: CN201510253314 20150513
- International Application: PCT/CN2016/000179 WO 20160331
- International Announcement: WO2016/180033 WO 20161117
- Main IPC: C07D241/20
- IPC: C07D241/20
![Method for preparing prostacyclin receptor agonist 4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]-1-butanol](/abs-image/US/2018/08/07/US10040771B2/abs.jpg.150x150.jpg)
Abstract:
The present invention relates to preparation methods of a prostacyclin receptor agonist of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide and its intermediates. These methods are simple and convenient to operate, environment-friendly and suitable for industrial production to obtain the product with good yield and high purity.
Public/Granted literature
- US20180029998A1 METHOD FOR PREPARING PROSTACYCLIN RECEPTOR AGONIST Public/Granted day:2018-02-01
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