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Research article

First published 2004-1

Benzopyrans. Part 45 1 . Reactions of Monobrominated 3-Acetyl-2-Methyl-1-Benzopyran-4-One with Some Binucleophiles

Chandra Kanta Ghosh, Chandreyi Ghosh, Sumit Kumar Karak [...]

Journal of Chemical Research

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Research article

First published 2004-12

One-pot synthesis of 2-amino-4-aryl-5-oxo-5,6,7,8-tetrahydro-4H-1-benzopyran-3-carbonitriles in aqueous media

Daqing Shi, Jie Mou, Qiya Zhuang [...]

Journal of Chemical Research

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Research article

First published 2003-8

One-Pot Synthesis of 2-Alkyl/Arylamino-4-oxo-4 H -1-Benzopyran-3-Carboxaldehyde from 4-oxo-4 H -1-Benzopyran-3-Carboxaldehyde

Chandrakanta Bandyopadhyay, Kumar Ranabir Sur, Ranjan Patra [...]

Journal of Chemical Research

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Research article

First published 2002-9

A Facile One Step synthesis of 3-[2-(3,5-Dimethyl-1 H -Pyrazol-1-Yl)-4-Thiazolyl]-2 H -1-Benzopyran-2-Ones Under Solvent Free Conditions

V. Rajeswar Rao, K. Srimanth

Journal of Chemical Research

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Research article

First published 2008-5

Isoquinoline Alkaloids and Homoisoflavonoids from Drimiopsis barteri Bak and D. burkei Bak

Dieudonne Ngamga, Josephine Bipa, Pearl Lebatha [...]

Natural Product Communications

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Research article

First published 2009-11

One-pot three component reaction for the synthesis of chromone-linked naphthopyrans

Suman Kalyan Panja, Sourav Maiti, Chandrakanta Bandyopadhyay

Journal of Chemical Research

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Research article

First published 2002-7

Benzopyrans. Part 43. 1 Reactions of Some Simple Condensates of 4-oxo-4H-1-Benzopyran-3-Carboxaldehyde with Ethyl β-Aminocrotonate

Chandra Kanta Ghosh, Sumit Kumar Karak, Amarendra Patra

Journal of Chemical Research

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Research article

First published 2005-6

Al/Hg – mediated Reductive Dimerisation of 3-methoxycarbonyl-4-oxo-4H-1-benzopyran

Tarun Ghosh, Ranabir Sur Kumar, Chandrakanta Bandyopadhyay

Journal of Chemical Research

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Research article

First published 2004-12

Synthesis of 4H,5H-pyrano[3,2-c][1]benzopyran-5-ones in aqueous media

Jing Wang, Daqing Shi, Qiya Zhuang [...]

Journal of Chemical Research

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Research article

First published 2003-12

The Synthesis and X-Ray Crystal Structure of 9-Carboxyhexahydro-7-Methoxy-4a,7-Ethano-Benzopyran-5-En-1-One †

Craig M. Williams, Paul V. Bernhardt, Stefan Wiedemann [...]

Journal of Chemical Research

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