• 专利标题: Method for preparation of thiophene-2-carbonyl chlorides with oxalyl chloride
  • 申请号: US15751957
    申请日: 2016-11-02
  • 公开(公告)号: US10112921B2
    公开(公告)日: 2018-10-30
  • 发明人: Daniel ZollingerFlorencio 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
Method for preparation of thiophene-2-carbonyl chlorides with oxalyl chloride
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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