- 专利标题: Method for preparation of thiophene-2-carbonyl chlorides with oxalyl chloride
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申请号: US15751957申请日: 2016-11-02
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公开(公告)号: US10112921B2公开(公告)日: 2018-10-30
- 发明人: Daniel Zollinger , Florencio Zaragoza Doerwald
- 申请人: LONZA LTD
- 申请人地址: CH Visp
- 专利权人: LONZA LTD
- 当前专利权人: LONZA LTD
- 当前专利权人地址: CH Visp
- 代理机构: MH2 Technology Law Group, LLP
- 优先权: EP15192880 20151104; EP16150309 20160106; EP16150583 20160108; EP16150642 20160108; EP16150854 20160112; EP16151908 20160119; EP16156620 20160222; EP16182376 20160802
- 国际申请: PCT/EP2016/076317 WO 20161102
- 国际公布: WO2017/076844 WO 20170511
- 主分类号: C07D333/38
- IPC分类号: C07D333/38 ; C07D413/14 ; C07D413/04
摘要:
The invention discloses a method for the preparation of thiophene-2-carbonyl chlorides starting from thiophenes with oxalyl chloride at elevated temperature with short reaction time.
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