Single Pot Process For The Preparation Of Diazonaphthoquinonesulfonyl Ester
申请人:Reddy Venkat Vummadi
公开号:US20070049742A1
公开(公告)日:2007-03-01
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.