发明授权
EP1928819B1 A SINGLE POT PROCESS FOR THE PREPARATION OF DIAZONAPHTHOQUINONESULFONYL ESTER
有权
斯图方法来表示DIAZONAPHTHOCHINONSULFONYLESTER
- 专利标题： A SINGLE POT PROCESS FOR THE PREPARATION OF DIAZONAPHTHOQUINONESULFONYL ESTER
- 专利标题（中）： 斯图方法来表示DIAZONAPHTHOCHINONSULFONYLESTER
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申请号： EP05818205.6申请日： 2005-11-22
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公开(公告)号： EP1928819B1公开(公告)日： 2011-04-06
- 发明人: REDDY, Vummadi Venkat , RAO, Boddu Ananda , REDDY, Maruthi Janaki Ram , SRINIVAS, Chiguru , RAMESH, Chilukuri , RAO, Vaidya Jayathirtha
- 申请人： COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH , Ministry of Information Technology
- 申请人地址： Intellectual Property Management Division 3rd Floor, CSIR, Niscaire Building New Delhi 110 067 IN
- 专利权人： COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH,Ministry of Information Technology
- 当前专利权人： COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH,Ministry of Information Technology
- 当前专利权人地址： Intellectual Property Management Division 3rd Floor, CSIR, Niscaire Building New Delhi 110 067 IN
- 代理机构： Campbell, Neil Boyd
- 优先权： INde23392005 20050901
- 国际公布： WO2007026374 20070308
- 主分类号： C07C303/28
- IPC分类号： C07C303/28 ; C07C309/71 ; C07C309/76
摘要：
The present invention provides a single pot process for the preparation of diazonaphthoquinonesulfonyl ester, a useful organic material for micro electronic and dye industry. This study pertains to the one pot preparation of diazonaphthoquinonesulfonyl esters using the corresponding diazonaphthoquinine sulfonic acid or its sodium salt, diphosgene or triphosgene, variety of hydroxy compounds and tertiary organic base in an organic solvent medium
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