Browsing School of Chemical Sciences by Author "Tilvi, S."

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2D NMR studies of bromotyrosine alkaloid, purpurealidin K from marine sponge psammaplysilla purpurea

Tilvi, S.; Majik, M.S. (ChemistrySelect. 4(21); 2019; 6568-6571.)

Marine sponges of the order Verongida and related organisms are the richest source of bioactive bromotyrosine alkaloids. Purpurealidin K (1) along with purealidin Q (2), aerophobin 2 (3) and aplysamine 2 (4) were isolated ...
Isolation of stigmast-5,24-dien-3-ol from marine brown algae Sargassum tenerrimum and its antipredatory activity

Majik, M.S.; Adel, H.; Shirodkar, D.; Tilvi, S.; Furtado, J. (RSC Advances. 5(63); 2015; 51008-51011.)

In recent years many sterols with potent biological activity have been identified from marine sources. Here we report the isolation of stigmast-5{,}24-dien-3-ol (fucosterol) as a major metabolite from the bioactive ...
Marine-Derived Natural Products Inhibiting Specific Inflammatory Cytokines (Chapter 13)

Tilvi, S.; Parvatkar, R.R.; Majik, M.S. (Studies in Natural Products Chemistry. 62; 2019; 455-481.)

Inflammation is one of the earliest innate immune responses to tissue injury and various pathological stimuli. It is characterized by the recruitment and accumulation of immune cells in injured sites and by the production ...
Quick elucidation of cyclodepsipeptide sequence from sacoglossan Elysia grandifolia using electrospray ionisation-tandem mass spectrometry

Tilvi, S.; PrabhaDevi; Majik, M.S. (European Journal of Mass Spectrometry. 23(3); 2017; 92-97.)

Butanol fraction of sacoglossan Elysia grandifolia was investigated for identifying peptides using electrospray ionisation-tandem mass spectrometry (ESI-MS/MS). Without prior isolation, the structural determination is ...
Synthesis of (R)-norbgugaine and its potential as quorum sensing inhibitor against Pseudomonas aeruginosa

Majik, M.S.; Naik, D.; Bhat, C.; Tilve, S.G.; Tilvi, S.; D'Souza, L. (Bioorganic and Medicinal Chemistry Letters. 23(8); 2013; 2353-2356.)

(R)-Bgugaine is a natural pyrrolidine alkaloid from Arisarum vulgare, which shows antifungal and antibacterial activity. In this Letter, we have accomplished the simple synthesis of norbgugaine (demethylated form of natural ...

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Browsing School of Chemical Sciences by Author "Tilvi, S."

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