The Journal of Organic Chemistry

Rhodium carbonyl catalyzed carbonylation of unsaturated compounds. 2. Synthesis of 5-alkoxy-2 (5H)-furanones by the carbonylation of acetylenes in alcohol

T Mise, P Hong, H Yamazaki

Index: Mise, Takaya; Hong, Pangbu; Yamazaki, Hiroshi Journal of Organic Chemistry, 1983 , vol. 48, # 2 p. 238 - 242

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Citation Number: 29

Abstract

The carbonylation of diphenylacetylene (la) in ethanol in the presence of Rh4 (CO) lz/NazC03 as a catalyst gave 5-ethoxy-3, 4-diphenyl-2 (5H)-furanone (3b) in a 72% yield, together with 3-(ethoxycarbonyl)-2-phenylindanone (11%) and diethyl 2, 3- ...