Journal of Chemistry (Jan 2013)

Triphenylphosphine Mediated Synthesis of Functionalized Benzo-Fused Coumarins from Some OH Acids and Dialkyl Acetylene Dicarboxylate

  • Bita Mohtat,
  • Semiramis Nahavandian,
  • Maryam Razaghi,
  • Saeedeh Farsijani,
  • Hoorieh Djahaniani

DOI
https://doi.org/10.1155/2013/289636
Journal volume & issue
Vol. 2013

Abstract

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Benzo-fused coumarins are prepared from 4-quinolinol by treatment with PPh3 and dialkyl acetylenedicarboxylate. Angular coumarins are prepared from 3-isoquinolinol and 7-hydroxyl coumarine with PPh3 and dialkyl acetylenedicarboxylate.