Journal
MONATSHEFTE FUR CHEMIE
Volume 140, Issue 5, Pages 489-493Publisher
SPRINGER WIEN
DOI: 10.1007/s00706-008-0078-2
Keywords
Coumarin derivatives; Triphenylphosphine; Tri-component reaction; One-pot synthesis; Dialkyl acetylenedicarboxylates
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Funding
- Mazandaran University of the Islamic Republic of Iran
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An efficient one-pot reaction of dialkyl acetylenedicarboxylates with 2,4-dihydroxybenzo(or aceto)phenones in the presence of triphenylphosphine produces 5-hydroxy- and 7-hydroxycoumarin derivatives. The novel procedure features short reaction time, fairly good yields, and simple workup.
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