发明名称 |
PROCESS FOR THE PREPARATION OF 5-PHENYLSULFINYL-1H-2-(METHOXY-CARBONYLAMINO)-BENZIMIDAZOLE |
摘要 |
A highly selective, inexpensive and quantitative process is described for the preparation of 5-phenylsulfinyl-1H-2-(methoxycarbonylamino)-benzimidazole (oxfendazole) through reaction of 5-phenylmercapto-1H-2-(methoxycarbonylamino)-benzimidazole with hydrogen peroxide in the presence of one or more aliphatic C1-C6-alcohols with addition of a strong, nonoxidizing mineral acid. |
申请公布号 |
ZA8705745(B) |
申请公布日期 |
1988.05.02 |
申请号 |
ZA19870005745 |
申请日期 |
1987.08.04 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
STEPHEN LACHHREIN;HILMAR MILDENBERGER;HANS-JOACHIM RESSEL |
分类号 |
C07D235/32 |
主分类号 |
C07D235/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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