A convergent asymmetric synthesis of gamma-butenolides

(1999) Tetrahedron Letters — Vol. 40, n° 34, p. 6237-6240 (1999)

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Abstract
Addition of aldehydes to the new enantiomerically pure lithiated sulfoxide 4 yielded gamma-butenolides of high enantiomeric purities after elimination of phenylsulfinic acid. The reaction with ketones was less stereoselective. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.
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Renard, M. E., & Ghosez, L. (1999). A convergent asymmetric synthesis of gamma-butenolides. Tetrahedron Letters, 40(34), 6237-6240. https://doi.org/10.1016/S0040-4039(99)01242-3 (Original work published 1999)