Journal
TETRAHEDRON
Volume 57, Issue 8, Pages 1585-1588Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4020(00)01149-2
Keywords
butenolides; 1,2-allenyl carboxylic acids; CuCl-catalyzed cycloisomerization; cyclization
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Fourteen examples of 2,3-butadienoic acids were synthesized according to the known procedures and their high-yielding CuCl-catalyzed cycloisomerization reaction to afford butenolides were described. (C) 2001 Elsevier Science Ltd. All rights reserved.
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