发明名称 PROCESS FOR PRODUCING 1,2-PROPANEDIOL
摘要 The present invention provides a process for obtaining 1, 2- propanediol or optically active substances thereof in high yields and at a low cost using readily available starting materials. According to the process of the present invention, 3-halogeno-1,2-propanediol of the general formula [I] is catalytically hydrogenated in an alcoholic solvent having two or more carbon atoms in the presence of a base of an equivalent or less to the starting material to give 1,2-propanediol of the formula [II]. In the formula [I], X stands for a halogen atom. <IMG>
申请公布号 CA2290496(C) 申请公布日期 2007.11.13
申请号 CA19982290496 申请日期 1998.05.18
申请人 DAISO CO., LTD. 发明人 IKAI, KOUSEI;KAMEYAMA, NAOTAKA;FURUKAWA, YOSHIRO;MIKAMI, MASAFUMI
分类号 C07C31/20;C07C29/58 主分类号 C07C31/20
代理机构 代理人
主权项
地址