KINETIC-STUDY OF [RU(SALOPH)CL2] COMPLEX-CATALYZED OXIDATIVE CARBONYLATION OF METHYLAMINE TO GIVE METHYLURETHANE

被引：7

作者：

HALLIGUDI, SB ^{[1
]}

BHATT, KN ^{[1
]}

KHAN, MMT ^{[1
]}

机构：

[1] CENT SALT & MARINE CHEM RES INST,DISCIPLINE COORDINAT CHEM & HOMOGENEOUS CATALYSIS,BHAVNAGAR 364002,GUJARAT,INDIA

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1991年 / 68卷 / 03期

关键词：

D O I：

10.1016/0304-5102(91)80084-G

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：

The oxidative carbonylation of methylamine catalyzed by dichlorobis(salicylaldehyde-omicron-phenylenediiminatoruthenate (III) at 150-degrees-C and CO+O2 (1:0.5) pressure of 21 atm gave methylurethane (80%), dimethylurea (15%) and N-methylformamide (5%) as the reaction products, with a turnover rate of 40 mol products per mole catalyst per hour. The rates of oxidative carbonylation measured at 150-degrees-C and in the pressure range 5-21 atm, exhibited a first-order dependence with respect to catalyst, substrate and dissolved CO concentrations, while it was half-order with respect to dissolved O2 concentration. An activation energy of 9.2 kcal mol-1 was estimated from the measurements of rates of oxidative carbonylation of methylamine in the temperature range 150-170-degrees-C.

引用

页码：261 / 267

页数：7

共 16 条

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