CHEMISTRY IN SUPERACIDS .8. SUPERACID-CATALYZED CARBONYLATION OF METHANE, METHYL HALIDES, METHYL-ALCOHOL, AND DIMETHYL ETHER TO METHYL ACETATE AND ACETIC-ACID

被引:45
作者
BAGNO, A [1 ]
BUKALA, J [1 ]
OLAH, GA [1 ]
机构
[1] UNIV SO CALIF,DONALD P & KATHERINE B LOKER HYDROCARBON RES INST,UNIV PK,LOS ANGELES,CA 90089
关键词
D O I
10.1021/jo00301a015
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Superacid-catalyzed (BF3, BF3-H20, HF-BF3, and CF3S03H) carbonylation of methane and its substituted derivatives (particularly, methyl alcohol and dimethyl ether) gave acetic acid and methyl acetate. HF-BF3 was found to be the most effective catalyst, giving nearly complete conversion of methyl alcohol or dimethyl ether. CF3SO3H led to lower yields and also to the formation of methyl trifluoromethanesulfonate. Possible reaction pathways and mechanisms are discussed on the basis of experimental results. Contrasted with Rh-catalyzed carbonylation of methyl alcohol, the superacid-catalyzed reaction does not necessitate expensive catalyst and conditions necessary with sensitive organometallic catalyst systems. © 1990, American Chemical Society. All rights reserved.
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页码:4284 / 4289
页数:6
相关论文
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