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Novel rhodium-catalyzed cyclic carbonylation of 2-phenylethynylbenzoates leading to indeno[1,2-c]isocoumarin

โœ Scribed by Takashi Sugioka; Eiji Yoneda; Kiyotaka Onitsuka; Shi-Wei Zhang; Shigetoshi Takahashi

Book ID
104257423
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
206 KB
Volume
38
Category
Article
ISSN
0040-4039

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## Abstract The unexpected formation of title compounds (III) is only observed when the reaction mixture is exposed to air atmosphere after the consumption of the starting material.