发明名称 Process for producing aryl carbamates
摘要 PCT No. PCT/JP98/00592 Sec. 371 Date Oct. 13, 1998 Sec. 102(e) Date Oct. 13, 1998 PCT Filed Feb. 13, 1998 PCT Pub. No. WO98/35936 PCT Pub. Date Aug. 20, 1998A process for producing an aryl carbamate of a high purity at a high yield by reacting a diaryl carbonate with an amine compound having one or more hydrogen atoms bonded to the N position in the presence of carboxylic acid(s) of the following general formulae (I): R1-COOH and/or (II): R2-COOH (wherein R1 represents an alkyl or cycloalkyl group having an alpha -positioned carbon atom bonded to only one hydrogen atom, an alkyl group having an alpha -positioned carbon atom bonded to no hydrogen atom, or an aryl or heterocyclic group, and R2 represents an alkyl group having an alpha -positioned carbon atom bonded to two or more hydrogen atoms).
申请公布号 US6143917(A) 申请公布日期 2000.11.07
申请号 US19980171076 申请日期 1998.10.13
申请人 UBE INDUSTRIES, LTD. 发明人 HARADA, KATSUMASA;SUGISE, RYOJI;KASHIWAGI, KOHICHI;MATSUURA, TSUNAO
分类号 C07C269/04;C07D295/205;(IPC1-7):C07C269/04 主分类号 C07C269/04
代理机构 代理人
主权项
地址