Search Results - "Ghosal, Nirnita"

Zwitterionic imidazolium salt: An efficient organocatalyst for tetrahydropyranylation of alcohols by Mahato, Sachinta, Chatterjee, Rana, Chakraborty Ghosal, Nirnita, Majee, Adinath

“…An aprotic imidazole based zwitterionic-salt, 4-(3-methylimidazolium)-butane sulfonate has been found to be an efficient organocatalyst for…”
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An Efficient Synthesis of Oxazolidines by Tandem Ring‐Opening / Closing Reaction of Ts‐Aziridine Using Formic Acid by Chakraborty Ghosal, Nirnita, De, Aramita, Mahato, Sachinta, Santra, Sougata, V. Zyryanov, Grigory, Majee, Adinath

“…Synthesis of oxazolidines has been reported from aziridines by the reaction with formic acid and formaldehyde in neat conditions. We have also observed a…”
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A Mild and Efficient Method for the Syntheses and Regioselective Ring-Opening of Aziridines by Ghosal, Nirnita, Mahato, Sachinta, Chatterjee, Rana, Santra, Sougata, Zyryanov, Grigory, Majee, Adinath

“…We have developed a new synthetic method for the synthesis of aziridines using Chloramine-T as an effective reagent in the presence of NH2OH·HCl and NaIO4. We…”
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Combination of NH2OH·HCl and NaIO4: a new and mild reagent for the synthesis of vicinal diiodo carbonyl compounds by Santra, Sougata, Kundu, Shrishnu Kumar, Ghosal, Nirnita Chakraborty, Chatterjee, Rana, Mahato, Sachinta, Khalymbadzha, Igor A., Zyryanov, Grigory V., Hajra, Alakananda, Majee, Adinath

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Conjugated Addition of Amines to Electron Deficient Alkenes: A Green Approach by Mukherjee, Anindita, Chatterjee, Rana, De, Aramita, Samanta, Satyajit, Mahato, Sachinta, Ghosal, Nirnita Chakraborty, Zyryanov, G. V., Majee, Adinath

“…A very simple approach has been developed for conjugate addition of a variety of aliphatic and aromatic amines to electron deficient alkenes in presence tea…”
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Conversion of aziridines to oxazolidines through geminal difunctionalization of vinyl arenes or by tandem ring-opening/closing reaction of aziridine itself by Ghosal, Nirnita Chakraborty, Santra, Sougata, Zyryanov, Grigory V., Hajra, Alakananda, Majee, Adinath

“…[Display omitted] •Synthesis of 1,3-oxazolidines was developed by two different approaches.•Aziridines were used in the first approach instead of amino…”
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CuO Nanoparticles as a Simple and Efficient Green Catalyst for the Aziridine Ring‐Opening: Examination of a Broad Range of Nucleophiles by Chatterjee, Rana, Santra, Sougata, Chakraborty Ghosal, Nirnita, Giri, Kousik, Zyryanov, Grigory V., Majee, Adinath

“…It has been observed that CuO nanoparticles act as effective and reusable catalyst for the ring‐opening reaction of aziridines with a wide range of…”
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Scope and Limitations of Leuckart‐Wallach‐Type Reductive Amination: Chemoselective Synthesis of Tertiary Amines from Aldehydes under Neat Conditions by De, Aramita, Ghosal, Nirnita Chakraborty, Mahato, Sachinta, Santra, Sougata, Zyryanov, Grigory V., Majee, Adinath

“…We have developed a convenient method to synthesize tertiary amines selectively with a variety of aldehydes and primary amines using commercially available…”
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