发明名称 METHOD FOR THE PRODUCTION OF 1,2,4-TRIAMINOBENZOLECARBAMIC ACID ESTERS
摘要 Disclosed is a method for the production of 1,2,4-triaminobenzolecarbamic acid esters, characterized by the use of pyro- or polypyrocarbonate. The use of pyro- or polypyrocarbonate results in increased yields and increased purity of said product.
申请公布号 WO03010134(A1) 申请公布日期 2003.02.06
申请号 WO2002EP07301 申请日期 2002.07.02
申请人 VIATRIS GMBH & CO. KG;LANKAU, HANS-JOACHIM;UNVERFERTH, KLAUS;ARNOLD, THOMAS;SCHAEFER, JUERGEN;MEISEL, PETER;THIEL, WILFRIED 发明人 LANKAU, HANS-JOACHIM;UNVERFERTH, KLAUS;ARNOLD, THOMAS;SCHAEFER, JUERGEN;MEISEL, PETER;THIEL, WILFRIED
分类号 C07C269/04;C07C271/28 主分类号 C07C269/04
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