CC Bond Activation by Octacarbonyldicobalt: [3+1] Cocyclizations of Methylenecyclopropanes with Carbon Monoxide | Zendy

Kurahashi Takuya | Zendy; de Meijere Armin | Zendy

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CC Bond Activation by Octacarbonyldicobalt: [3+1] Cocyclizations of Methylenecyclopropanes with Carbon Monoxide

Author(s) -

Kurahashi Takuya,

de Meijere Armin

Publication year - 2005

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200502596

Subject(s) - cobalt , carbon monoxide , chemistry , catalysis , atmosphere (unit) , carbon fibers , medicinal chemistry , inorganic chemistry , organic chemistry , materials science , composite number , physics , composite material , thermodynamics

Activation of CC bonds in cyclopropanes with a cobalt complex: Methylenecyclopropanes react with one equivalent of [Co 2 (CO) 8 ] under mild conditions to give 2‐methylenecyclobutanones in moderate to good yields (up to 85 %). The reaction also proceeds with a catalytic amount of the cobalt complex under an atmosphere of CO (balloon) to give products in good yields (up to 90 %; see scheme).

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