Výsledky vyhledávání - "S. G. Shirodkar"

Simple and Efficient Method for the Synthesis of Azides in Water-THF Solvent System

Autor: M. Swetha, S. G. Shirodkar, P. Venkata Ramana

Publikováno v: Organic Preparations and Procedures International. 43:348-353

The azide functionality is a common progenitor for the synthesis of N-containing compounds and not only reacts with nucleophiles and electrophiles but also serves as a nitrene precursor upon thermo...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f62eeb177553e7e40f3149c952130d3
https://doi.org/10.1080/00304948.2011.594002

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An Efficient and Mild Direct Oxidative Methyl Esterification of Aromatic Aldehydes Using NaBr and Diacetoxyiodobenzene

Autor: B. M. Dhoot, P. B. Waghmare, S. G. Shirodkar, N. N. Karade

Publikováno v: Journal of Chemical Research. 2005:274-276

Diacetoxyiodobenzene combined with NaBr was found to be an efficient, mild and practical reagent for the oxidative methyl esterification of aldehydes.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da096cef8fc5f9dd0f274cf7b0a98e3e
https://doi.org/10.3184/0308234054213357

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A convenient and improved montmorillonite K-10 catalysed Friedel-Crafts benzylation and allylation with activated esters

Autor: Nandkishor N. Karade, S. G. Shirodkar, R. A. Potrekar

Publikováno v: Journal of Chemical Research. 2003:652-654

Benzyl benzoate and cinnamyl acetate has been effectively used respectively as alkylating and allylating substrates in Friedel-Crafts reaction catalysed by montmorillonite K-10 clay.

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https://doi.org/10.3184/030823403322655978

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ChemInform Abstract: Simple and Efficient Method for the Synthesis of Azides in Water-THF Solvent System

Autor: P. Venkata Ramana, M. Swetha, S. G. Shirodkar

Publikováno v: ChemInform. 43

A novel and efficient method for the synthesis of azides is developed using nucleophilic substitution reactions of alkyl halides, alkoxy esters or acid chlorides with sodium azide in a H2O/THF system.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3290e47b90871b5219c09f950f06aba0
https://doi.org/10.1002/chin.201202055

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One Pot Synthesis of Substituted Benzothiazoles from substituted aldehydes and 2-aminothiols using Phenyltrimethylammonium tribromide

Autor: S. P. Hangirgekar* And S. G. Shirodkar

ubstituted 2-phenylbenzo[d]thiazoles were synthesized by stirring a mixture of aldehyde and 2-aminothiol in CH2Cl2 at room temperature using Phenyltrimethylammonium tribromide as a catalyst. We show here that Phenyltrimethylammonium tribromide, a sta

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Efficient and Mild Oxidative Nuclear Thiocyanation of Activated Aromatic Compounds Using Ammonium Thiocyanate and Diacetoxyiodobenzene

Autor: Girdharilal B. Tiwari, B. M. Dhoot, Nandkishor N. Karade, S. G. Shirodkar

Publikováno v: ChemInform. 36

A mild and general method for the nuclear thiocyanation of electron rich arenes has been developed by the reaction of NH4SCN with diacetoxyiodobenzene as the oxidant.

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https://doi.org/10.1002/chin.200540059

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Montmorillonite K-10 Mediated Erlenmeyer Synthesis of 4-Arylmethylene-2-phenyl-5(4H)-oxazolones

Autor: S. G. Shirodkar, P. B. Waghmare, B. M. Dhoot, N. N. Karade

Publikováno v: Scopus-Elsevier

Aromatic aldehydes and hippuric acid in acetic anhydride undergoes classical Erlenmeyer synthesis in the presence of a catalytic amount of Montmorillonite K-10 to afford the corresponding azlactones in excellent yields with high selectivity. The azla

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https://doi.org/10.1002/chin.200534170

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An Exceedingly Efficient and Chemoselective Esterification with Activated Alcohols Using AlCl3/NaI/CH3CN System

Autor: S. G. Shirodkar, Nandkishor N. Karade, R. A. Potrekar, H. N. Karade

Publikováno v: ChemInform. 35

A combination of hard Lewis acid AlCl3 and a soft nucleophile NaI in acetonitrile has been used as an efficient system for the selective esterification reaction between aromatic carboxylic acid and alcohol.

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https://doi.org/10.1002/chin.200429089

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A Convenient and Improved Montmorillonite K-10 Catalyzed Friedel—Crafts Benzylation and Allylation with Activated Esters

Autor: S. G. Shirodkar, R. A. Potrekar, Nandkishor N. Karade

Publikováno v: ChemInform. 35

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c8eb07108a7b862a30d9866ec6e78c7
https://doi.org/10.1002/chin.200420043

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Non-isothermal degradation and kinetic parameters of bidentate Schiff base complexes

Autor: P. S. Mane, S. D. Salunke, S. G. Shirodkar, T. K. Chondhekar

Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad-431 004, India E-mail : bamuaur@bom.4.vsnl.net.in Fax: 91-0240-334291 Manuscript received 30 May 2001, revised 12 November 2001, accepted 9 February 2002 Present report

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