Search Results - "Bedekar, A. V."

Investigations in the Transition Metal Catalyzed Aziridination of Olefins, Amination, and Other Insertion Reactions with Bromamine-T as the Source of Nitrene by Chanda, Bhanu M, Vyas, Renu, Bedekar, Ashutosh V

“…Investigations into the transition metal catalyzed aziridination of olefins with Bromamine-T as a new source of nitrene is presented in this account…”
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Preparation of polymer anchored Pd-catalysts: Application in Mizoroki–Heck Reaction by Patel, S.A., Patel, K.N., Sinha, S., Kamath, B.V., Bedekar, A.V.

“…A series of polymer anchored Schiff bases were prepared from chloromethylated styrene–divinylbenzene copolymer beads and loaded with PdCl 2 to get air and…”
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Bromamine-T mediated aziridination of olefins with a new polymer supported Manganese(II) complex as catalyst by Vyas, R., Chanda, B.M., Belhekar, A.A., Patel, D.R., Ram, R.N., Bedekar, A.V.

“…Chloromethylated styrene-divinyl benzene of 8% cross-link was functionalized using o-phenylene diamine and finally it was treated with Mn(II) for the formation…”
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Natural Kaolinitic clay catalyzed conversion of nitriles to 2-oxazolines by Jnaneshwara, G.K., Deshpande, V.H., Lalithambika, M., Ravindranathan, T., Bedekar, A.V.

“…Natural Kaolinitic clay has been found effective as catalyst in the conversion of aromatic and aliphatic nitriles with 1,2-aminoalcohol to 2-oxazolines (56 –…”
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1-(α-Aminobenzyl)-2-naphthol as phosphine-free ligand for Pd-catalyzed Suzuki and one-pot Wittig-Suzuki reaction by Chaudhary, A. R., Bedekar, A. V.

“…Air stable and easily accessible, 1‐(α‐aminobenzyl)‐2‐naphthols are used as efficient phosphine‐free ligands in palladium‐catalyzed Suzuki reaction for a…”
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Microwave Assisted Preparation of Isatins and Synthesis of (±)-Convolutamydine-A by Jnaneshwara, G. K., Bedekar, A. V., Deshpande, V. H.

“…Microwave assisted preparation of a number of isatin derivatives is reported. A simple synthesis of (±)-convolutamydine-A, a potent compound against leukemia…”
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Annulated bicyclo[2.2.2]octenones : 9-hydroxy-9-chloromethyl-endo-tricyclo[5.2.2.02,6]undeca-4,10-diene-3-spiro(1'-cyclopropane)-8-one and 12-hydroxy-12-chloromethyl-endo-tricyclo [8.2.2.02,9]tetradeca-13-en-11-one by CAIRA, M. R, BEDEKAR, A. V, VISHWAKARMA SINGH

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Environmentally benign chlorination and bromination of aromatic amines, hydrocarbons and naphthols by Vyas, Punita V., Bhatt, Anjani K., Ramachandraiah, Gadde, Bedekar, Ashutosh V.

“…A simple and efficient procedure for chlorination and bromination of aromatic amines, hydrocarbons and naphthols by the action of aqueous hydrohalic acid and…”
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Clay catalyzed chemoselective Michael type addition of aliphatic amines to α,β-ethylenic compounds by Shaikh, Nadim S., Deshpande, Vishnu H., Bedekar, Ashutosh V.

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A new, environment friendly protocol for iodination of electron-rich aromatic compounds by Adimurthy, Subbarayappa, Ramachandraiah, Gadde, Ghosh, Pushpito K., Bedekar, Ashutosh V.

“…A new environment friendly procedure for effective aromatic iodination is presented. A mixture of potassium iodide and potassium iodate is used in the presence…”
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Simple and practical halogenation of arenes, alkenes and alkynes with hydrohalic acid/H2O2 (or TBHP) by Barhate, Nivrutti B., Gajare, Anil S., Wakharkar, Radhika D., Bedekar, Ashutosh V.

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Simple and efficient chlorination and bromination of aromatic compounds with aqueous TBHP (or H 2O 2) and a hydrohalic acid by Barhate, Nivrutti B., Gajare, Anil S., Wakharkar, Radhika D., Bedekar, Ashutosh V.

“…A combination of aqueous tert-butylhydroperoxide (70%) or hydrogen peroxide (34%) and a hydrohalic acid was found effective in chlorination and bromination of…”
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Preparation and evaluation of nitrene precursors (PhI=NSO 2Ar) for the copper-catalyzed aziridination of olefins by Södergren, Mikael J., Alonso, Diego A., Bedekar, Ashutosh V., Andersson, Pher G.

“…The preparation of different [ N-(arenesulfonyl)imino]phenyliodinones is described, along with an evaluation of their utility as nitrene precursors for the…”
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A new class of bis-oxazoline ligands for the Cu-catalysed asymmetric cyclopropanation of olefins by Bedekar, Ashutosh V., Andersson, Pher G.

“…A set of new chiral bis-oxazolines, 5a-b and 6a-c, has been syntheised from D and L-diethyl 2,3- O-isopropylidene tartrates and chiral amino alcohols. These…”
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A novel application of Hβ-zeolite in catalytic dehalogenation of halophenols by Adimurthy, Subbarayappa, Ramachandraiah, Gadde, Bedekar, Ashutosh V.

“…A new application of Hβ-zeolite for debromination of bromophenols and deiodination of iodophenols is presented in this note. The heterogeneous catalyst can be…”
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Investigation of the Effects of the Structure and Chelate Size of Bis-oxazoline Ligands in the Asymmetric Copper-Catalyzed Cyclopropanation of Olefins:  Design of a New Class of Ligands by Bedekar, Ashutosh V, Koroleva, Elise B, Andersson, Pher G

“…A set of novel, C 2-symmetric bis-oxazoline ligands has been synthesized by mounting two oxazoline rings onto an optically active 1,3-dioxolane backbone. This…”
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Bromamine-T: A superior source of nitrene for aziridination of olefins by Vyas, Renu, Chanda, Bhanu.M., Bedekar, Ashutosh V.

“…Bromamine-T as a superior source of nitrene compared to Chloramine-T in the Cu-catalyzed aziridination of olefins is reported in this communication…”
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Synthesis of novel 1-aryl-substituted 8-methoxynaphthalenes and their tendency for atropisomerization by Yoshikawa, Seiji, Odaira, Jun-ichi, Kitamura, Yuki, Bedekar, Ashutosh V, Furuta, Takumi, Tanaka, Kiyoshi

“…Novel 1-aryl-substituted 8-methoxynaphthalenes were conveniently prepared by using Suzuki–Miyaura cross-coupling as a key reaction. Chemical transformations of…”
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Studies on Bromination of Active Methylene by a Mixture of Hydrobromic Acid and Hydrogen Peroxide (or TBHP) by Tillu, Vasudha H., Shinde, Popat D., Bedekar, Ashutosh V., Wakharkar, Radhika D.

“…Studies on bromination of active methylene with a mixture of hydrogen peroxide or tert-butylhydroperoxide (TBHP) and hydrobromic acid are discussed…”
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A mild procedure for the clay catalyzed selective removal of the tert-butoxycarbonyl protecting group from aromatic amines by Shaikh, Nadim S, Gajare, Anil S, Deshpande, Vishnu H, Bedekar, Ashutosh V

“…The application of solid acidic catalysts for the selective removal of N-Boc protection is presented in this report. Montmorillonite K10 was found to be an…”
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