Cyclopentenones from a novel [4+1]cocyclization of methylenecyclopropanes with Fischer carbenechromium complexes

Takuya Kurahashi; Yao-Ting Wu; Kathrin Meindl; Stephan Rühl; Armin De Meijere

doi:10.1055/s-2005-863746

Cyclopentenones from a novel [4+1]cocyclization of methylenecyclopropanes with Fischer carbenechromium complexes

Takuya Kurahashi, Yao-Ting Wu, Kathrin Meindl, Stephan Rühl, Armin De Meijere

Department of Chemistry

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

28 Citations (Scopus)

Abstract

Fischer carbenechromium complexes react with methylenecyclopropanes and bicyclopropylidene in an unprecedented manner. All four carbon atoms of the methylenecyclopropane moiety along with carbon monoxide are incorporated with the formation of three new C-C σ-bonds to give substituted cyclopentenone derivatives in moderate (33-58% for methylenecyclopropanes) to good yields (65-72% for bicyclopropylidene).

Original language	English
Pages (from-to)	805-808
Number of pages	4
Journal	Synlett
Issue number	5
DOIs	https://doi.org/10.1055/s-2005-863746
Publication status	Published - 2005 Mar 21

All Science Journal Classification (ASJC) codes

Organic Chemistry

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title = "Cyclopentenones from a novel [4+1]cocyclization of methylenecyclopropanes with Fischer carbenechromium complexes",

abstract = "Fischer carbenechromium complexes react with methylenecyclopropanes and bicyclopropylidene in an unprecedented manner. All four carbon atoms of the methylenecyclopropane moiety along with carbon monoxide are incorporated with the formation of three new C-C σ-bonds to give substituted cyclopentenone derivatives in moderate (33-58% for methylenecyclopropanes) to good yields (65-72% for bicyclopropylidene).",

author = "Takuya Kurahashi and Yao-Ting Wu and Kathrin Meindl and Stephan R{\"u}hl and {De Meijere}, Armin",

year = "2005",

month = mar,

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doi = "10.1055/s-2005-863746",

language = "English",

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AU - Kurahashi, Takuya

AU - Wu, Yao-Ting

AU - Meindl, Kathrin

AU - Rühl, Stephan

AU - De Meijere, Armin

PY - 2005/3/21

Y1 - 2005/3/21

N2 - Fischer carbenechromium complexes react with methylenecyclopropanes and bicyclopropylidene in an unprecedented manner. All four carbon atoms of the methylenecyclopropane moiety along with carbon monoxide are incorporated with the formation of three new C-C σ-bonds to give substituted cyclopentenone derivatives in moderate (33-58% for methylenecyclopropanes) to good yields (65-72% for bicyclopropylidene).

AB - Fischer carbenechromium complexes react with methylenecyclopropanes and bicyclopropylidene in an unprecedented manner. All four carbon atoms of the methylenecyclopropane moiety along with carbon monoxide are incorporated with the formation of three new C-C σ-bonds to give substituted cyclopentenone derivatives in moderate (33-58% for methylenecyclopropanes) to good yields (65-72% for bicyclopropylidene).

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