Showing papers by "Chandra Kanta Ghosh published in 2004"
47 citations
TL;DR: The chromone 5, obtained by bromination of 3-acetyl-2-methylchromone (3), gives [1]benzoxepino[4,3-d]isoxazole (10) with hydroxylamine and phen... as mentioned in this paper.
Abstract: The chromone 5, obtained by bromination of 3-acetyl-2-methylchromone (3), gives [1]benzoxepino[4,3-d]isoxazole (10) and [1]benzoxepino[3,4-c]pyrazole (11), respectively, with hydroxylamine and phen...
4 citations
Journal Article•
TL;DR: In this article, the substitution of bromine in the title bromomethylpyranone 2 with phenylhydrazine as well as thiourea, like sodium acetate, brings about substitution of Bromine with bromide.
Abstract: Phenylhydrazine as well as thiourea, like sodium acetate, brings about substitution of bromine in the title bromomethylpyranone 2. The pyranone 2 gives the pyrano fused oxazine 9 with hydroxylamine, pyridiazines 10 and 11, respectively with hydrazine and phenylhydrazine, and thiophene 16 with thioacetamide.
3 citations
Journal Article•
TL;DR: The title pyranone as discussed by the authors gives a mixture of pyridines 4 and 7 with ammonia, pyridine 5 and pyrazole 10 with phenylhydrazine, and Pyridine N-oxide 8 with hydroxylamine.
Abstract: The title pyranone 1 gives a mixture of pyridines 4 and 7 with ammonia, pyridine 5 and pyrazole 10 with phenylhydrazine, and pyridine N-oxide 8 with hydroxylamine.
1 citations
1 citations