• Title/Summary/Keyword: Cyclocarbonylation

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Carbonylative Cyclization of Unsaturated Carboxylic Acids by Palladium Complexes with Phosphines [III] Palladium (0, II)-Phosphine Complexes Catalyzed Cabonylation of Unsaturated Carboxylic Acids and It's Theoretical Studies (포스핀류가 배위된 팔라듐 착물에 의한 불포화카르복실산의 카르보닐화 고리반응 (제 3 보). 팔라듐 (0, II)-포스핀계 착물에 의한 불포화카르복실산의 카르보닐화 반응 및 그의 이론적 연구)

  • Myung-Ki Doh;Bong-Gon Kim;Maeng-Jun Jung;Young-Dae Song;Park Byung-Kak
    • Journal of the Korean Chemical Society
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    • v.37 no.10
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    • pp.903-909
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    • 1993

  • Reaction mechanism of palladium(0, II)-phosphines complexes catalyzed cyclocarbonylation for unsaturated carboxylic acid such as crotonic acid, methacrylic acid and 3-butenoic acid has been investigated by product analysis, molecular mechanics and extended Huckel molecular orbital method. Reaction of 3-butenoic acid with palladium(0, II)-phosphines catalyst gives palladium containing cycloester through intermediate palladium-olefin ${\pi}$ -complex in the catalytic carbonylation. Palladium(0, II)-phosphines complexes catalyze the cyclocarbonylation of 3-butenoic acid to give 3-methylsuccinic anhydride and glutaric anhydride. But ${\pi}$ -complexes with palladium(0, II)-phosphines and unsaturated carboxylic acids such as crotonic acid and methacrylic acid are not effective the catalytic cyclocarbonylation.

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