发明名称 PROCESS FOR THE PREPARATION OF THIOPHENOLS
摘要 A process for the preparation of thiophenols of formula (I) wherein n is an integer from 1 to 5 and R is hydrogen, alkyl, hydroxyalkyl, alkylamino, dialkylamino, alkenyl, alkynyl, alkoxy, alkylthio, phenyl, naphthyl, phenoxy , phenylthio, halogen, hydroxy, mercapto, carboxyl, sulfo or heterocyclyl, by reacting phenyldiazonium salts of formula (II) wherein n and R are as define d and X is halogen or hydrogen sulfate, with sulfur at elevated temperature in the presence of an aqueous base and isolating the compounds of formula (I).< /SDOAB>
申请公布号 CA2423300(A1) 申请公布日期 2002.04.18
申请号 CA20012423300 申请日期 2001.10.09
申请人 SYNGENTA PARTICIPATIONS AG 发明人 SEIFERT, GOTTFRIED;URWYLER, BERNHARD
分类号 C07D307/88;C07C;C07C319/02;C07C321/26;C07C323/62;(IPC1-7):C07C319/02 主分类号 C07D307/88
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