Search Results - "Giri, Kousik"

Effect of arsenate substitution on phosphate repository of cell: a computational study by Singh, Amit, Giri, Kousik

“…The structural analogy with phosphate derives arsenate into various metabolic processes associated with phosphate inside the organisms. But it is difficult to…”
Get full text

Correction to: 'Effect of arsenate substitution on phosphate repository of cell: a computational study' by Singh, Amit, Giri, Kousik

“…[This corrects the article DOI: 10.1098/rsos.181565.]…”
Get full text

3-Cyano-2-azaanthracene-based “push-pull” fluorophores: A one-step preparation from 5-cyano-1,2,4-triazines and 2,3-dehydronaphthalene, generated in situ by Kopchuk, Dmitry S., Chepchugov, Nikolay V., Taniya, Olga S., Khasanov, Albert F., Giri, Kousik, Kovalev, Igor S., Santra, Sougata, Zyryanov, Grigory V., Majee, Adinath, Rusinov, Vladimir L., Chupakhin, Oleg N.

“…[Display omitted] •A one-step approach toward 3-cyano-2-azaanthracene fluorophores was reported.•Only readily available reagents, simple one-step procedures,…”
Get full text

Arsenate and Arsenite Reaction Kinetics with Ferric Hydroxides Using Quantum Chemical Calculations by George, Cijin J., Santra, Sougata, Zyryanov, G. V., Giri, Kousik

“…The knowledge of the mechanism involved in the process of adsorption and desorption of arsenate and arsenite with ferric hydroxides is important to address the…”
Get full text

Solvent-free synthesis of (poly)thiacalix[n]arenes: the evaluation of possible mechanism based on semi-preparative HPLC separation and mass-spectrometric investigation of the reaction products by Kovalev, Igor S., Rahman, Matiur, Sadieva, Leila K., Pavlyuk, Dmitry E., Giri, Kousik, Santra, Sougata, Kopchuk, Dmitry S., Zyryanov, Grigory. V., Majee, Adinath, Chupakhin, Oleg N., Charushin, Valery N.

Get full text

Effect of Alkylation on the Kinetic Stability of Arsenodiester and Organoarsenicals against Hydrolysis: A Theoretical Study by Singh, Boota, Waliya, Rohan Ranjan, Santra, Sougata, Giri, Kousik, Zyryanov, Grigory V.

“…Arsenic diesters have same structural and chemical properties as Pi (phosphate) diester. Beside this structural similarity, arsenate is not considered by…”
Get full text

Energy-Barrier-less Synthesis of Hexaaza-trifuranacyclopentadecaphane-hexaene at Ambient Temperature by Chauhan, Arvind Singh, Kumar, Ajay, Bains, Rohit, Kumar, Mahender, Sharma, Navneet, Giri, Kousik, Das, Pralay

“…A thermochemically stable furan-based hexaaza-trifuranacyclopentadecaphane-hexaene (AF-cpdp) as a π12 12 cyclic-conjugated color enriched heterocycle has been…”
Get full text

Reactivity Switch in Glycal Dienes toward Different Nucleophiles: Mechanistic Insight and Applications toward the Synthesis of Naphthalene-Fused Pyran Derivatives by Pandey, Ram Pratap, Tiwari, Bindu, Sharma, Navneet, Giri, Kousik, Hussain, Nazar

“…The stereo- and regioselective formation of chiral molecules is an interesting and important topic in organic synthesis due to its wide applicability and…”
Get full text

Pd/C-Catalyzed Carbonylative Amidation for the Synthesis of 2-Carboxamidocyclohexane-1,3-diones by Sheetal, Chauhan, Arvind Singh, Sharma, Ajay Kumar, Sharma, Navneet, Giri, Kousik, Das, Pralay

“…Herein, a first-ever heterogeneous Pd/C-catalyzed single-step tandem approach for the synthesis of 2-carboxamidocyclohexane-1,3-diones via direct carbonylative…”
Get full text

Disruptive influence of the host cage C60 on the guest He–H+ bond and bonding in H3 by Giri, Kousik, Mishra, Brijesh K., Sathyamurthy, Narayanasami

“…Although a helium atom prefers to stay at the centre of a fullerene (C60) cage and a proton binds with one of the carbon atoms from inside, DFT(MN15)/cc-pVTZ…”
Get full text

Iodine-PEG as a unique combination for the metal-free synthesis of flavonoids through iodonium-triiodide ion-pair complexation by Kumar, Naveen, Sharma, Navneet, Kumar, Vijay, Kumar, Vinay, Jangid, Kailash, Devi, Bharti, Dwivedi, Ashish Ranjan, Giri, Kousik, Kumar, Rakesh, Kumar, Vinod

“…An efficient metal-free single-step protocol has been developed for the direct synthesis of flavones from 2-hydroxyacetophenone and substituted benzaldehydes…”
Get full text

Supported-Pd catalyzed tandem approach for N-arylbenzamides synthesis by Sheetal, Sharma, Ajay Kumar, Shaifali, Bhattacherjee, Dhananjay, Sharma, Navneet, Giri, Kousik, Das, Pralay

“…•A single step domino approach for the direct synthesis of N-phenylbenzamide scaffolds under supported palladium catalyzed conditions.•Bifunctional…”
Get full text

Quantum dynamics of (H −, HD) collisions at low energies by Giri, Kousik, Sathyamurthy, N.

“…Feshbach resonances are identified in reaction probability versus energy curves for (H −, HD) collisions at low energies. Time-independent quantum mechanical…”
Get full text

Solvent-free synthesis of 5-(aryl/alkyl)amino-1,2,4-triazines and α-arylamino-2,2′-bipyridines with greener prospects by Kopchuk, Dmitry S., Chepchugov, Nikolay V., Kovalev, Igor S., Santra, Sougata, Rahman, Matiur, Giri, Kousik, Zyryanov, Grigory V., Majee, Adinath, Charushin, Valery N., Chupakhin, Oleg N.

“…A green and highly efficient method has been developed for the synthesis of 5-(aryl/alkyl)amino-1,2,4-triazines and α-arylamino-2,2′-bipyridines according to…”
Get full text

Synthesis and photophysics of new unsymmetrically substituted 5,5′-diaryl-2,2′-bypiridine-based “push-pull” fluorophores by Starnovskaya, Ekaterina S., Kopchuk, Dmitry S., Khasanov, Albert F., Tanya, Olga S., Santra, Sougata, Giri, Kousik, Rahman, Matiur, Kovalev, Igor S., Zyryanov, Grigory V., Majee, Adinath, Charushin, Valery N.

“…New unsymmetrically substituted 5,5′-diaryl-2,2′-bypiridine “push-pull” fluorophores were prepared in good yields via the “1,2,4-triazine method”/Suzuki…”
Get full text

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…”
Get full text

Influence of Reagent Rotation on (H-, D2) and (D-, H2) Collisions:  A Quantum Mechanical Study by Giri, Kousik, Sathyamurthy, N

“…Time-independent quantum mechanical (TIQM) approach (helicity basis truncated at k = 2) has been used for computing differential and integral cross sections…”
Get full text

Dissociative Double Ionization of CO 2 :  Dynamics, Energy Levels, and Lifetime by Sharma, Vandana, Bapat, B., Mondal, Jagannath, Hochlaf, M., Giri, Kousik, Sathyamurthy, N.

Get full text

A PASE Approach towards (Adamantyl‐1)‐, Alkyl‐ and (Het)Aryl‐Substituted [1, 2,4]triazolo[1, 5‐d][1, 2,4]triazines: A Sequence of Two Solvent‐Free Reactions Bearing Lower E‐Factors by Krinochkin, Alexey P., Kopchuk, Dmitry S., Giri, Kousik, Shtaitz, Yaroslav K., Starnovskaya, Ekaterina S., Khalymbadzha, Igor A., Drokin, Roman A., Ulomsky, Eugeny N., Santra, Sougata, Zyryanov, Grigory V., Rusinov, Vladimir L., Chupakhin, Oleg N.

“…A Pot, Atom, Step Economic (PASE) approach is reported towards [1, 2,4]triazolo[1, 5‐d][1, 2,4]triazines, substituted with the azole ring with pharmacophore…”
Get full text

Ground and Excited States of the Monomer and Dimer of Certain Carboxylic Acids by Lourderaj, U, Giri, Kousik, Sathyamurthy, N

“…The ground-state properties of the monomer and the dimer of formic acid, acetic acid, and benzoic acid have been investigated using Hartree−Fock (HF) and…”
Get full text