A Convenient One-Pot Synthesis of Pyrano[3,2-c]quinolin-2,5(6H)-dione and 2H,5H-Pyrano[3,2-c]chromene-2,5-dione Derivatives

Hassan Sheibani; Mohammad Hossein Mosslemin; Soheila Behzadi; Mohammad Reza Islami; Kazem Saidi

doi:10.1055/s-2006-926295

PAPER

A Convenient One-Pot Synthesis of Pyrano[3,2-c]quinolin-2,5(6H)-dione and 2H,5H-Pyrano[3,2-c]chromene-2,5-dione Derivatives

Hassan Sheibani*^a, Mohammad Hossein Mosslemin^b, Soheila Behzadi^b, Mohammad Reza Islami^a, Kazem Saidi^a
^a Department of Chemistry, Shahid Bahonar University of Kerman, Kerman 76169, Iran
Fax: +98(341)3221452; e-Mail: hsheibani@mail.uk.ac.ir;
^b Department of Chemistry, Islamic Azad University of Yazd, Yazd 89195, Iran

Abstract

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Abstract

The preparation of novel pyrano[3,2-c]quinolin-2,5(6H)-dione and 2H,5H-pyrano[3,2-c]chromene-2,5-dione derivatives starting from 4-hydroxyquinolin-2(1H)-ones and 4-hydroxy-2H-chromene-2-one with chlorocarbonyl ketenes is described. This method provides a new route to produce fused pyrano derivatives in good to excellent yields in a short experimental time.

Keywords

pyrano quinolinones - chromene derivatives - chlorocarbonyl ketenes

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References

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