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AN EFFICIENT BUTENOLIDE ANNULATION VIA ALPHA'-CHLOROACETOXYLATION OF ENONES USING MANGANESE(III) ACETATE AND CHLOROACETIC ACID

1991-09-01
DEMIR, AS
AKGUN, H
Tanyeli, Cihangir
SAYRAC, T
WATT, DS
The alpha'-chloroacetoxylation of alpha,-beta-unsaturated ketones using manganese(III) acetate and chloroacetic acid followed by Arbuzov reaction and intramolecular Horner-Emmons olefination provided a convenient synthesis of annulated 2-buten-4-olides.