Water mediated uncatalyzed facile synthesis ofylidenenitriles of 4-oxo-(4H)-1-benzopyran-3-carbaldehyde

Rajkumar V. Hangarge; Sanjay A. Sonwane; Dilip V. Jarikote; Murlidhar S. Shingare

doi:10.1039/B106871G

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Water mediated uncatalyzed facile synthesis of ylidenenitriles of 4-oxo-(4H)-1-benzopyran-3-carbaldehyde

Rajkumar V. Hangarge,^a Sanjay A. Sonwane,^a Dilip V. Jarikote^b and Murlidhar S. Shingare*^a

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* Corresponding authors

^a Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-, India.
E-mail: msshingare11@rediffmail.com

^b OCT Division, National Chemical Laboratory, Pune-, India

Abstract

A simple, efficient and environment ecofriendly route has been developed for the synthesis of ylidenenitriles of 4-oxo-(4H)-1-benzopyran-3-carbaldehyde by the condensation of 4-oxo-(4H)-1-benzopyran-3-carbaldehyde with active methylene compounds viz. malononitrile, cyanoacetic acid and cyanoacetamide in distilled water without catalyst at 90 °C for 1–2 h with quantitative yields and higher selectivity.

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Article information

DOI: https://doi.org/10.1039/B106871G
Article type: Paper
Submitted: 30 Jul 2001
First published: 13 Nov 2001

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Green Chem., 2001,3, 310-312

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Water mediated uncatalyzed facile synthesis of ylidenenitriles of 4-oxo-(4H)-1-benzopyran-3-carbaldehyde

R. V. Hangarge, S. A. Sonwane, D. V. Jarikote and M. S. Shingare, Green Chem., 2001, 3, 310 DOI: 10.1039/B106871G

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Green Chemistry

Water mediated uncatalyzed facile synthesis of ylidenenitriles of 4-oxo-(4H)-1-benzopyran-3-carbaldehyde

Abstract

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Water mediated uncatalyzed facile synthesis of ylidenenitriles of 4-oxo-(4H)-1-benzopyran-3-carbaldehyde

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