申请人:BASF Aktiengesellschaft
公开号:US05391771A1
公开(公告)日:1995-02-21
A process for the preparation of propane-1,2,3-tricarboxylic acid, tetrahydrofurfurylacetic acid and the C.sub.1 - to C.sub.20 -alkyl or C.sub.7 - to C.sub.12 -aralkyl esters thereof, propane-1,2,3-trimethanol, 3-methyltetrahydrofuran, 3-(2'-hydroxyethyl)tetrahydrofuran, 4-hydroxymethyltetrahydropyran, 2-methyl-.gamma.-butyrolactone and/or 3-methyl-.gamma.-butyrolactone, comprises reacting citric acid or the C.sub.1 - to C.sub.20 -alkyl or C.sub.7 - to C.sub.12 -aralkyl esters thereof on hydrogenation catalysts in non-aqueous solvents at from 50.degree. to 400.degree. C. and at from 1 to 400 bar.
一种制备丙烷-1,2,3-三羧酸、四氢呋喃乙酸和其C.sub.1-C.sub.20烷基或C.sub.7-C.sub.12芳基烷基酯、丙烷-1,2,3-三甲醇、3-甲基四氢呋喃、3-(2'-羟乙基)四氢呋喃、4-羟甲基四氢吡喃、2-甲基-.gamma.-丁内酯和/或3-甲基-.gamma.-丁内酯的方法,包括在非水溶剂中在氢化催化剂上反应柠檬酸或其C.sub.1-C.sub.20烷基或C.sub.7-C.sub.12芳基烷基酯,在50℃至400℃和1至400巴的条件下。