4.4 Article

New and efficient one-pot synthesis of functionalized γ-spirolactones mediated by vinyltriphenylphosphonium salts

Journal

TETRAHEDRON
Volume 59, Issue 8, Pages 1169-1171

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4020(03)00021-8

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The addition of dimethyl acetylenedicarboxylate to isatin derivatives in the presence of triphenylphosphine leading to new highly functionalized gamma-spirolactones is reported. (C) 2003 Elsevier Science Ltd. All rights reserved.

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