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Showing papers by "Somnath Ghosh published in 1989"

Journal Article•DOI•
Studies on oxygen heterocycles: Part-1: Acid catalysed and photochemical reactions of some aryldiazoketones

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Somnath Ghosh1, Indira Datta1, Rupak Chakraborty1, Tapas Kumar Das1, Judhajit Sengupta1, Dipak Chandra Sarkar1 •
Jadavpur University1
01 Jan 1989-Tetrahedron
TL;DR: The photochemical decomposition of the said diazoketoneg (4 a, 11 and 16 ) gave products depending on the length of the side chain present in the substrates as mentioned in this paper.

22 citations

Journal Article•DOI•
Studies on enamides Part-21:A novel photochemical synthesis of 9H-indolo [3,2,1-de] phenanthridin-9-one, a benzcanthine analogue

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Somnath Ghosh1, Diptendu Bhusan Datta1, Indira Datta1, Tapas Kumar Das1•
Jadavpur University1
01 Jan 1989-Tetrahedron
TL;DR: In this paper, photolysis of 9-aroyl carbazoles in polar solvent has been used for the first time to obtain the first synthesis of the unknown 1-carbazole.

21 citations

Journal Article•DOI•
Studies on enamides. Part-3 : A novel photochemical synthesis of 9-arylacridines☆

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Indira Datta1, Tapas Kumar Das1, Somnath Ghosh1•
Jadavpur University1
01 Jan 1989-Tetrahedron Letters
TL;DR: In this article, a unique synthesis of 9-arylacridines has been achieved by the photolysis of N-aroyldiphenylamines along with carbazole and photomigrated products.

11 citations