Proposal for the metallacycle pathway during the cyclopropanation catalyzed by cobalt-schiff base complexes

Izumi Iwakura; Taketo Ikeno; Tohru Yamada

doi:10.1021/ol036505m

Proposal for the metallacycle pathway during the cyclopropanation catalyzed by cobalt-schiff base complexes

Izumi Iwakura, Taketo Ikeno, Tohru Yamada

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

(Equation presented) The density functional study of the cobalt(II) complex-catalyzed cyclopropanation revealed that the cobalt(II)-Schiff base complex without an ethylene bridge would be flexible enough to transform into the cis-β conformer while approaching the olefin; consequently, the metallacycle pathway would be preferred, while the ethylene bridge would stabilize the planar conformer to allow reaction via the concerted mechanism.

Original language	English
Pages (from-to)	949-952
Number of pages	4
Journal	Organic Letters
Volume	6
Issue number	6
DOIs	https://doi.org/10.1021/ol036505m
Publication status	Published - 2004 Mar 18

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry

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10.1021/ol036505m

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abstract = "(Equation presented) The density functional study of the cobalt(II) complex-catalyzed cyclopropanation revealed that the cobalt(II)-Schiff base complex without an ethylene bridge would be flexible enough to transform into the cis-β conformer while approaching the olefin; consequently, the metallacycle pathway would be preferred, while the ethylene bridge would stabilize the planar conformer to allow reaction via the concerted mechanism.",

author = "Izumi Iwakura and Taketo Ikeno and Tohru Yamada",

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AU - Ikeno, Taketo

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Y1 - 2004/3/18

N2 - (Equation presented) The density functional study of the cobalt(II) complex-catalyzed cyclopropanation revealed that the cobalt(II)-Schiff base complex without an ethylene bridge would be flexible enough to transform into the cis-β conformer while approaching the olefin; consequently, the metallacycle pathway would be preferred, while the ethylene bridge would stabilize the planar conformer to allow reaction via the concerted mechanism.

AB - (Equation presented) The density functional study of the cobalt(II) complex-catalyzed cyclopropanation revealed that the cobalt(II)-Schiff base complex without an ethylene bridge would be flexible enough to transform into the cis-β conformer while approaching the olefin; consequently, the metallacycle pathway would be preferred, while the ethylene bridge would stabilize the planar conformer to allow reaction via the concerted mechanism.

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Proposal for the metallacycle pathway during the cyclopropanation catalyzed by cobalt-schiff base complexes

Abstract

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