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Rhodium-catalyzed carbonylation of alkynes in the presence of alcohols: selective synthesis of 3-alkoxycarbonylindanones

โœ Scribed by Eiji Yoneda; Takayuki Kaneko; Shi-Wei Zhang; Kiyotaka Onitsuka; Shigetoshi Takahashi

Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
216 KB
Volume
40
Category
Article
ISSN
0040-4039

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Selective synthesis of 3-isochromanones
Selective synthesis of 3-isochromanones by Rhodium-Catalyzed carbonylation of 2-alkynylbenzylalcohols under water-gas shift reaction conditions
โœ Eiji Yoneda; Takayuki Kaneko; Shi-Wei Zhang; Shigetoshi Takahashi ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 233 KB

Rhodium-catalyzed cyclic carbonylation of 2-ethynylbenzylalcohols 1. under water-gas shift reaction conditions gives selectively 3.isochromanones 2 which are derived from 1 and one molecule each of hydrogen and carbon monoxide with incorporation of the hydroxymethyl group adjacent to the ethynyl gro