S
Sunil Kumar Talapatra
Researcher at University of Calcutta
Publications - 89
Citations - 792
Sunil Kumar Talapatra is an academic researcher from University of Calcutta. The author has contributed to research in topics: Diterpene & Michelia. The author has an hindex of 16, co-authored 85 publications receiving 747 citations.
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Aristololactams of Goniothalamus sesquipedalis wall. Revised structures of the 2-oxygenated aristololactams
TL;DR: Goniopedaline, a new phenanthrene lactam, aristololactam A-II and its N,O-diacetyl derivative, taliscanine (second natural occurrence), aurantiamide acetate and β-sitosterol and its β- d -glucoside have been isolated from the leaves and twigs of Goniothalamus sesquipedalis as discussed by the authors.
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On the chemistry of indian orchidaceae plants—II
TL;DR: In this paper, the first natural fluorenone derivatives of Dendrobium gibsonii, namely dengibsin and Dengibsnin, have been assigned 1,5-dihydroxy-7-methoxy-9-fluorenone structures.
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Flavonoid and terpenoid constituents of Eupatorium odoratum
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Parthenolide and a new germacranolide, 11,13-dehydrolanuginolide, from Michelia lanuginosa
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(−)-Maglifloenone, a novel spirocyclohexadienone neolignan and other constituents from Magnolia liliflora
TL;DR: This is the first report of two neolignans of spirocyclohexadienone skeleton and of taspine from the Magnoliaceae family and the second report of the natural occurrence of futoenone.