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Issue 9, 1992
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Radical transfer catalysis versus Lewis acid catalysis by the copper(I) chloride–2,2′-bipyridine complex: the effect of the structure of the ligand

Abstract

Cyclization of O-(but-3-enyl)-α-chloroglycolic acid methyl ester 4 catalysed by copper(I) chloride–2,2′-bipyridine 8 leads primarily to the 5-exo product 5, whereas using copper(I) chloride–6,6′-dimethyl-2,2′-bipyridine as catalyst leads to the 6-endo product 6. This is interpreted in terms of a change from a radical to an ionic mechanism.

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Article information


J. Chem. Soc., Perkin Trans. 2, 1992, 1529-1530
Article type
Paper

Radical transfer catalysis versus Lewis acid catalysis by the copper(I) chloride–2,2′-bipyridine complex: the effect of the structure of the ligand

J. H. Udding, H. Hiemstra and W. N. Speckamp, J. Chem. Soc., Perkin Trans. 2, 1992, 1529
DOI: 10.1039/P29920001529

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