Narender Ravirala

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A series of β-naphthol-derived 2-aminobenzothiazolomethylnaphthol derivatives (4a-4q) were synthesized and purified in excellent yields (86-94%) using green protocols and screened for their antifeedant and toxic activities against tobacco caterpillar (Spodoptera litura) and castor semilooper (Achaea janata) using no-choice leaf disk and topical bioassay(More)
A novel synthesis of highly substituted pyrrole-N-acetic derivatives is described through the coupling of 1,4-diketones with amino acids following Paal-Knorr's approach. These pyrrole-N-acetic acid derivatives are found to exhibit potent anti-mycobacterial activity against Mycobacterium smegmatis and Mycobacterium tuberculosis strain H37Rv. In particular,(More)
A series of novel 2-(diarylalkyl)aminobenzothiazoles were designed based on commercial synthetic calcium channel blockers (CCBs) and angiotensin converting enzyme (ACE) inhibitors. Which are further modified based on the natural products which are angiotensin converting enzyme (ACE) inhibitors. Completely green protocol was developed for their synthesis. As(More)
Facile procedures have been developed for the stereoselective synthesis of novel benzo[b][1,5]oxazepines 4a-f by the condensation reaction between 2-amino phenol 2 and tert-butyl(4R)-2,2-dimethyl-4-(3-oxo-3-phenyl-1-propynyl)-1,3-oxazolane-3-carboxylate 3a-f with MCM-41(H) zeolite in acetonitrile.
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