Stannyl cyclopropanes by diastereoselective cyclopropanations with (tributylstannyl)-diazoacetate esters catalyzed by Cu(I)				N-heterocyclic carbene

Robert E. Gawley; Sanjay Narayan

doi:10.1039/B509958G

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Stannyl cyclopropanes by diastereoselective cyclopropanations with (tributylstannyl)-diazoacetate esters catalyzed by Cu(i) N-heterocyclic carbene†

Robert E. Gawley*^a and Sanjay Narayan^a

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* Corresponding authors

^a Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR 72701, USA
E-mail: bgawley@uark.edu
Fax: +1 479 575 5178
Tel: +1 479 575 6933

Abstract

Catalyzed cyclopropanations of alkenes with Bu₃SnC( [double bond, length as m-dash] N₂)CO₂R (R = Et, t-Bu) have been achieved in good yield with excellent diastereoselectivity to make stannyl cyclopropanes having two or three stereocenters, one of which is quaternary.

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Supplementary files

Experimental section PDF (1972K)

Article information

DOI: https://doi.org/10.1039/B509958G
Article type: Communication
Submitted: 15 Jul 2005
Accepted: 23 Aug 2005
First published: 19 Sep 2005

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Chem. Commun., 2005, 5109-5111

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Stannyl cyclopropanes by diastereoselective cyclopropanations with (tributylstannyl)-diazoacetate esters catalyzed by Cu(I) N-heterocyclic carbene

R. E. Gawley and S. Narayan, Chem. Commun., 2005, 5109 DOI: 10.1039/B509958G

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