One-Pot Synthesis of 1H-Naphtho[2,1-b]pyran Derivatives under Solvent- Free Conditions

Kshretrimayum   Ameeta   Devi; L.   Gellina   Chanu; I.   Harimala   Chanu; Okram   Mukherjee   Singh

doi:10.2174/1570178611666140829220007

Abstract

An efficient one-pot multicomponent condensation of β-naphthol, aldehydes, and β-oxobenzenepropane (dithioates) is developed using catalytic amount of B₃.OEt₂ under solvent-free conditions for the synthesis of several 1Hnaphtho[ 2,1-b]pyran derivatives.

Keywords: 1H-naphtho[2, 1-b]pyrans, BF₃.Et₂O, multicomponent reaction, solvent-free, β-oxodithioesters.

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Letters in Organic Chemistry

Title:One-Pot Synthesis of 1H-Naphtho[2,1-b]pyran Derivatives under Solvent- Free Conditions

Volume: 11 Issue: 10

Author(s): Kshretrimayum Ameeta Devi, L. Gellina Chanu, I. Harimala Chanu and Okram Mukherjee Singh

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Keywords: 1H-naphtho[2, 1-b]pyrans, BF₃.Et₂O, multicomponent reaction, solvent-free, β-oxodithioesters.

Abstract: An efficient one-pot multicomponent condensation of β-naphthol, aldehydes, and β-oxobenzenepropane (dithioates) is developed using catalytic amount of B₃.OEt₂ under solvent-free conditions for the synthesis of several 1Hnaphtho[ 2,1-b]pyran derivatives.

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Devi Ameeta Kshretrimayum, Chanu Gellina L., Chanu Harimala I. and Singh Mukherjee Okram, One-Pot Synthesis of 1H-Naphtho[2,1-b]pyran Derivatives under Solvent- Free Conditions, Letters in Organic Chemistry 2014; 11 (10) . https://dx.doi.org/10.2174/1570178611666140829220007

DOI https://dx.doi.org/10.2174/1570178611666140829220007	Print ISSN 1570-1786
Publisher Name Bentham Science Publisher	Online ISSN 1875-6255