Synthesis of dialkyl hexamethylene-1,6-dicarbamate from 1,6-hexamethylenediamine and alkyl carbamate over FeCl3 as catalyst

被引：22

作者：

Guo, Xiaoguang ^{[1
,2
]}

Shang, Jianpeng ^{[1
,2
]}

Ma, Xiangyuan ^{[1
]}

Li, Jian ^{[1
,2
]}

Zhang, Hongzhe ^{[1
,2
]}

Cui, Xinjiang ^{[1
,2
]}

Shi, Feng ^{[1
]}

Deng, Youquan ^{[1
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Ctr Green Chem & Catalysis, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2009年 / 10卷 / 08期

关键词：

Non-phosgene; Carbamate; Carbonylation; 1,6-Hexamethylenediamine; Isocyanate; AROMATIC NITRO-COMPOUNDS; N-PHENYL CARBAMATE; DIMETHYL CARBONATE; OXIDATIVE CARBONYLATION; REDUCTIVE CARBONYLATION; AMINES; METHOXYCARBONYLATION; PHOSGENE; UREAS; DERIVATIVES;

D O I：

10.1016/j.catcom.2009.01.031

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of catalysts (e.g. FeCl3, Zn(OAc)(2), Pb(NO3)(2), etc.) were tested for the trans-esterification reaction of 1,6-hexamethylenediamine (HDA) with methyl carbamate (MC), ethyl carbamate (EC), and butyl carbamate ( BC) to afford dialkyl hexamethylene-1,6-dicarbamate (AHDC). By applying the optimized condition, 100% conversion of HDA and 93% yield to diethyl hexamethylene-1,6- dicarbamate (EHDC) could be obtained using FeCl3 as catalyst. The desired products could be precipitated by adding water into the resulting mixture, and the activity of recovered catalyst could be maintained. (C) 2009 Elsevier B. V. All rights reserved.

引用

页码：1248 / 1251

页数：4

共 30 条

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