Search Results - "Goswami, Amrit"
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Exploration of chiral induction on epoxides in lipase-catalyzed epoxidation of alkenes using (2 R,3 S,4 R,5 S)-(–)-2,3:4,6-di- O-isopropylidiene-2-keto- l-gulonic acid monohydrate
Published in Tetrahedron: asymmetry (19-06-2009)“…Epoxidation of alkenes by peracid, generated in situ from (2 R,3 S,4 R,5 S)-(−)-2,3:4,6-di- O-isopropylidiene-2-keto- l-gulonic acid monohydrate [(−)-DIKGA]…”
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Biological approach for the production of vanillin from lignocellulosic biomass (Bambusa tulda)
Published in Journal of cleaner production (15-04-2017)“…The growing concerns regarding the stock of fossil fuel feedstock and environment throughout the globe have led to the quest for alternatives. Lignocellulosic…”
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A convenient stereoselective synthesis of ( R)-(−)-denopamine and ( R)-(−)-salmeterol
Published in Tetrahedron: asymmetry (01-01-2002)“…β-Adrenoreceptor agonists ( R)-(−)-denopamine ( R)- 1 and ( R)-(−)-salmeterol ( R)- 2 have been prepared in good overall yield and high enantioselectivity…”
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In vitro evaluation of the antimalarial activity of a designed novel quinuclidine derivative
Published in Current science (Bangalore) (25-12-2016)“…A simple Schiff base, N-(pyridine-4-yl-methylene) quinuclidine-3-amine was synthesized from 3-aminoquinuclidine and 4-pyridine carboxaldehyde. The…”
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A facile microwave assisted synthesis of spiro-1,3-oxazines from N-(2-(cyclohex-1-en-1-yl)ethyl)amides
Published in Tetrahedron letters (30-07-2014)“…A mild and efficient methodology has been developed for the synthesis of spiro-1,3-oxazine derivatives by the microwave assisted cyclization of…”
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A rapid 1,2-dihydroxylation of alkenes using a lipase and hydrogen peroxide under microwave conditions
Published in Tetrahedron letters (17-09-2007)“…The combined advantages of using an enzyme immobilized lipase from Pseudomonas sp [PSLG6], hydrogen peroxide, ethyl acetate and microwave irradiation for the…”
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A novel method for the synthesis of chiral epoxides from styrene derivatives using chiral acids in presence of Pseudomonas lipase G6 [PSL G6] and hydrogen peroxide
Published in Tetrahedron (03-09-2007)“…Chiral epoxidation of styrene and its derivatives was carried out using series of chiral acids and urea hydrogen peroxide (UHP) or aqueous hydrogen peroxide…”
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Enantioconvergent Biohydrolysis of Racemic Styrene Oxide to R-phenyl-1, 2-ethanediol by a Newly Isolated Filamentous Fungus Aspergillus tubingensis TF1
Published in Applied biochemistry and biotechnology (01-08-2013)“…An effort was made to isolate biocatalysts hydrolyzing epoxides from various ecological niches of northeast India, a biodiversity hot spot zone of the world…”
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Alcohol Oxidation in Ionic Liquid with UHP and Recyclable Amberlite IR-120 Acidic Resin: A Green Approach
Published in Chemistry letters (05-05-2008)“…Amberlite IR-120 acidic resin, an age old polymer matrix, plays a significant role as catalyst in the oxidation of aromatic alcohols with urea–hydrogen…”
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Expedient Method for Oxidation of Alcohol by Hydrogen Peroxide in the Presence of Amberlite IRA 400 Resin (Basic) as Phase-Transfer Catalyst
Published in Synthetic communications (01-01-2008)“…Amberlite IRA 400 (strongly basic), a classical polymer imparts phase-transfer catalysis in the oxidation of primary and secondary alcohols by hydrogen…”
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DMSO-triggered enhancement of enantioselectivity in Novozyme[435]-catalyzed transesterification of chiral 1-phenylethanols
Published in Tetrahedron letters (20-06-2005)“…[Display omitted] Dimethyl sulfoxide as cosolvent enhances the enantioselectivity of resolved products up to 100% in the Novozyme[435]-catalyzed…”
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Alcohol Oxidation in Ionic Liquid with UHP and Recyclable Amberlite IR-120 Acidic Resin
Published in Chemistry letters (01-05-2008)“…Amberlite IR-120 acidic resin, an age old polymer matrix, plays a significant role as catalyst in the oxidation of aromatic alcohols with urea-hydrogen…”
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A One-Pot Efficient Process for 16-Dehydropregnenolone Acetate
Published in Organic process research & development (01-05-2003)“…A one-pot eco-friendly and efficient transformation of steroidal sapogenin diosgenin (1) and solasodine (2) to a commercially very important drug intermediate…”
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New direct synthesis of thioamides from carboxylic acids
Published in Tetrahedron letters (1995)“…The synthesis of a series of thiomides by a novel one-pot reaction between carboxylic acids and amines in the presence of O, O-diethyl dithiophosphoric acid…”
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