CARBOXYLATION OF ACTIVE METHYLENE-COMPOUNDS USING ANILIDE, POTASSIUM CARBONATE, AND CARBON-DIOXIDE

被引：13
作者：
CHIBA, K
TAGAYA, H
KARASU, M
ISHIZUKA, M
SUGO, T
机构：
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1994年 / 67卷 / 02期
关键词：
D O I：
10.1246/bcsj.67.452
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Active methylene compounds were effectively carboxylated with carbon dioxide in the presence of anilide (acetanilide or formanilide) and potassium carbonate at 20-40-degrees-C for 0.5-10 h. In the carboxylation of fluorene, a high yield (48%) was obtained at 20-degrees-C for 4 h. The yield of carboxylic acid using 2,6-dimethylacetanilide was 8.9%, and smaller than 26.6% when using acetanilide at 20-degrees-C for 2 h, indicating the interference of a methyl group for the carboxylation.
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页码：452 / 454
页数：3
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