发明名称 METHODS FOR PRODUCTION OF 1,2,4-TRIAZOL-3-ONE
摘要 Novel methods for producing 1,2,4-triazol-3-one from semicarbazide hydrochloride and formic acid are provided. In methods of this invention, water is used in removal of unreacted formic acid to increase yield and purity of produced 1,2,4-triazol-3-one.
申请公布号 US2011201822(A1) 申请公布日期 2011.08.18
申请号 US20080674206 申请日期 2008.09.18
申请人 ALBEMARLE CORPORATION 发明人 BELMONT STEPHEN E.;CHUBB, III JOHN E.
分类号 C07D249/12 主分类号 C07D249/12
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