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Showing papers by "Chandra Kanta Ghosh published in 1993"

Journal Article•DOI•
Benzopyrans. 31. Reaction of 1,1-diacetyl-2-(6-methyl-4-oxo-4H-1-benzopyran-3-yl)ethylene with phenyldiazomethane

[...]

Chandra Kanta Ghosh1, S. Sahana1•
University of Calcutta1
07 May 1993-Tetrahedron
TL;DR: Phenyldiazomethane yields with the title alkene 1 a mixture of the transcyclopropane 6, benzopyran 8, pyrazole 9, and cis -dihydrofuran 12 as mentioned in this paper.

5 citations

Journal Article•
Benzopyrans. xxix: reaction of some simple condensates of 4-oxo-4h-1-benzopyran-3-carboxaldehyde with nitrogen nucleophiles

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Chandra Kanta Ghosh, S. Sahana, Chandrakanta Bandyopadhyay
01 Jan 1993-Indian Journal of Chemistry Section B-organic Chemistry Including Medicinal Chemistry

3 citations

Journal Article•DOI•
Benzopyrans. Part 32. Reaction of Some Simple Condensates of 4-Oxo-4H- 1-benzopyran-3-carboxaldehydes with Diazomethane. Synthesis of Heterocycles Linked to the 3-Position of (1)Benzopyran.

[...]

Chandra Kanta Ghosh1, Srijit Biswas1, S. Sahana1•
University of Calcutta1
05 Oct 1993-ChemInform

2 citations

Journal Article•
Benzopyrans. xxxii: reaction of some simple condensates of 4-oxo-4h-1-benzopyran-3-carboxaldehydes with diazomethane : synthesis of heterocycles linke d to 3-position of 1benzopyran

[...]

Chandra Kanta Ghosh, Subhabrata Biswas, S. Sahana
01 Jan 1993-Indian Journal of Chemistry Section B-organic Chemistry Including Medicinal Chemistry

1 citations

Journal Article•DOI•
Benzopyrans. Part 29. Reactions of Some Simple Condensates of 4‐Oxo‐4H‐1‐benzopyran‐3‐carboxaldehyde with Nitrogen Nucleophiles.

[...]

Chandra Kanta Ghosh1, S. Sahana1, C. Bandyopadhyay1•
University of Calcutta1
05 Oct 1993-ChemInform
Journal Article•DOI•
Benzopyrans. Part 31. Reaction of 1,1-Diacetyl-2-(6-methyl-4-oxo-4H-1- benzopyran-3-yl)ethylene with Phenyldiazomethane.

[...]

Chandra Kanta Ghosh1, S. Sahana1•
University of Calcutta1
14 Sep 1993-ChemInform