申请人:REILLY INDUSTRIES, INC.
公开号:EP0098684A2
公开(公告)日:1984-01-18
In a Chichibabin amination of a nitrogen-containing heterocyclic base by sodamide in an organic solvent, the improvement comprising conducting the reaction under pressure of at least about 50 psi in the gas phase above the reaction mixture and adding ammonia to the mixture sufficient to produce a partial pressure of ammonia of at least about 5 psi in the gas phase. Preferred temperature and pressure ranges are disclosed, as are catalysts and other preferred steps for practicing the reaction. Significant results are obtained including improved and changed yields from those classically expected in Chichibabin aminations, including new composition of matter in at least three cases.
在有机溶剂中用钠酰胺对含氮杂环基进行秩巴比胺化反应中,改进包括在反应混合物上方气相中至少约 50 psi 的压力下进行反应,并向混合物中加入氨,足以在气相中产生至少约 5 psi 的氨分压。公开了优选的温度和压力范围,以及催化剂和实施反应的其他优选步骤。与传统的 Chichibabin 氨基化反应相比,本发明取得了显著的成果,包括改进和改变了产率,在至少三种情况下获得了新的物质组成。