Browse by IISc Authors

Mishra, Sandeep Kumar and Suryaprakash, N. (2023) Pure shift edited NMR methodologies for the extraction of Homo- and heteronuclear couplings with ultra-high resolution. In: Progress in Nuclear Magnetic Resonance Spectroscopy, 136-13 . 1 – 60.

Patel, AK and Joseph, D and Atreya, HS and Suryaprakash, N (2022) A One-Dimensional Phase-Modulated (PM) NMR Experiment for Differentiating Spin Systems in Small Molecules Mixtures: With Application to Chiral Discrimination and Bicomponent Organic Systems. In: Analytical Chemistry .

Maity, N and Majumder, K and Patel, AK and Swain, D and Suryaprakash, N and Patil, S (2022) Synthesis and Emergent Photophysical Properties of Diketopyrrolopyrrole-Based Supramolecular Self-Assembly. In: ACS Omega, 7 (27). pp. 23179-23188.

Tiwari, S and Arya, N and Mishra, SK and Suryaprakash, N (2021) Competing HB acceptors: An extensive NMR investigations corroborated by single crystal XRD and DFT calculations. In: RSC Advances, 11 (25). pp. 15195-15202.

Patel, Arun Kumar and Mishra, Sandeep Kumar and Krishnamurthy, Kiran and Suryaprakash, N (2019) Retention of strong intramolecular hydrogen bonds in high polarity solvents in binaphthalene-benzamide derivatives: extensive NMR studies. In: RSC ADVANCES, 9 (56). pp. 32759-32770.

Arya, Neeru and Mishra, Sandeep Kumar and Suryaprakash, N (2019) Intramolecular hydrogen bond directed distribution of conformational populations in the derivatives of N `-benzylidenebenzohydrazide. In: NEW JOURNAL OF CHEMISTRY, 43 (33). pp. 13134-13142.

Mishra, Sandeep Kumar and Suryaprakash, N (2018) Orchestrated approaches using pure shift NMR: Extraction of spectral parameters, ultra-high resolution, and sensitivity enhancement. In: MAGNETIC RESONANCE IN CHEMISTRY, 56 (10, SI). pp. 893-909.

Arya, Neeru and Mishra, Sandeep Kumar and Suryaprakash, N (2018) A simple ternary ion-pair complexation protocol for testing the enantiopurity and the absolute configurational analysis of acid and ester derivatives. In: NEW JOURNAL OF CHEMISTRY, 42 (12). pp. 9920-9929.

Lakshmipriya, A and Chaudhary, Madhusudan and Mogurampelly, Santosh and Klein, Michael L and Suryaprakash, N (2018) Intramolecular Hydrogen Bonding Appetency for Conformational Penchants in Oxalohydrazide Fluoro Derivatives: NMR, MD, QTAIM, and NCI Studies. In: JOURNAL OF PHYSICAL CHEMISTRY A, 122 (10). pp. 2703-2713.

Dhanishta, P and Mishra, Sandeep Kumar and Suryaprakash, N (2018) Intramolecular HB Interactions Evidenced in Dibenzoyl Oxalamide Derivatives: NMR, QTAIM, and NCI Studies. In: JOURNAL OF PHYSICAL CHEMISTRY A, 122 (1). pp. 199-208.

Dhanishta, P and Kumar, P Sai Siva and Mishra, Sandeep Kumar and Suryaprakash, N (2018) Intramolecular hydrogen bond directed stable conformations of benzoyl phenyl oxalamides: unambiguous evidence from extensive NMR studies and DFT-based computations. In: RSC ADVANCES, 8 (20). pp. 11230-11240.

Mishra, Sandeep Kumar and Suryaprakash, N (2017) Intramolecular Hydrogen Bonding Involving Organic Fluorine: NMR Investigations Corroborated by DFT-Based Theoretical Calculations. In: MOLECULES, 22 (3).

Mishra, Sandeep Kumar and Suryaprakash, N (2017) Assignment of the absolute configuration of hydroxy acids using H-1 NMR spectroscopy: a simple and rapid approach. In: TETRAHEDRON-ASYMMETRY, 28 (2). pp. 250-256.

Mishra, Sandeep Kumar and Lokesh, N and Suryaprakash, N (2017) Clean G-SERF an NMR experiment for the complete eradication of axial peaks and undesired couplings from the complex spectrum. In: RSC ADVANCES, 7 (2). pp. 735-741.

Mishra, Sandeep Kumar and Suryaprakash, N (2017) Intramolecular Hydrogen Bonding Involving Organic Fluorine: NMR Investigations Corroborated by DFT-Based Theoretical Calculations (vol 22, 423, 2017). In: MOLECULES, 24 (10).

Mishra, Sandeep Kumar and Suryaprakash, N (2017) Pure shift edited ultra high resolution NMR spectrum with complete eradication of axial peaks and unwanted couplings. In: JOURNAL OF MAGNETIC RESONANCE, 279 . pp. 74-80.

Kurapati, Rajendra and Reddy, Venkateswara U and Raichur, Ashok M and Suryaprakash, N (2016) Facile synthesis of Graphene Oxide/Double-stranded DNA composite liquid crystals and Hydrogels. In: JOURNAL OF CHEMICAL SCIENCES, 128 (3). pp. 325-330.

Lakshmipriya, A and Suryaprakash, N (2016) Two- and Three-Centered Hydrogen Bonds Involving Organic Fluorine Stabilize Conformations of Hydrazide Halo Derivatives: NMR, IR, QTAIM, NCI, and Theoretical Evidence. In: JOURNAL OF PHYSICAL CHEMISTRY A, 120 (40). pp. 7810-7816.

Lakshmipriya, A and Chaudhari, Sachin Rama and Suryaprakash, N (2016) p-TsOH promotes 2 `-amino-1,1 `-binaphthalene]-2-ol as a chiral solvating agent. In: NEW JOURNAL OF CHEMISTRY, 40 (9). pp. 8118-8122.

Lokesh, N and Suryaprakash, N (2015) CH-RES-TOCSY: Enantiomers spectral resolution and measurement of heteronuclear residual dipolar couplings. In: CHEMICAL PHYSICS LETTERS, 625 . pp. 10-13.

Kumari, Divya and Sachin, SL and Suryaprakash, N (2015) Enantio sensing property of helicin, the derivative of a natural product: Discrimination of amines and amino alcohols. In: CHEMICAL PHYSICS LETTERS, 636 . pp. 72-77.

Kumari, Divya and Sachin, SL and Suryaprakash, N (2015) Enantio sensing property of helicin, the derivative of a natural product: Discrimination of amines and amino alcohols. In: CHEMICAL PHYSICS LETTERS, 636 . pp. 72-77.

Kumari, Divya and Sachin, SL and Suryaprakash, N (2015) Enantio sensing property of helicin, the derivative of a natural product: Discrimination of amines and amino alcohols. In: CHEMICAL PHYSICS LETTERS, 636 . pp. 72-77.

Lakshmipriya, A and Chaudhari, Sachin Rama and Suryaprakash, N (2015) Enantio-differentiation of molecules with diverse functionalities using a single probe. In: CHEMICAL COMMUNICATIONS, 51 (70). pp. 13492-13495.

Mishra, Sandeep Kumar and Suryaprakash, N (2015) Intramolecular hydrogen bonds involving organic fluorine in the derivatives of hydrazides: an NMR investigation substantiated by DFT based theoretical calculations. In: PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 17 (23). pp. 15226-15235.

Chaudhari, Sachin Rama and Suryaprakash, N (2015) J-Edited Pure Shift NMR for the Facile Measurement of (n)J(HH) for Specific Protons. In: CHEMPHYSCHEM, 16 (5). pp. 1079-1082.

Mishra, Sandeep Kumar and Suryaprakash, N (2015) Organic fluorine involved intramolecular hydrogen bonds in the derivatives of imides: NMR evidence corroborated by DFT based theoretical calculations. In: RSC ADVANCES, 5 (105). pp. 86013-86022.

Lokesh, N and Sachin, SL and Mishra, Sandeep Kumar and Suryaprakash, N (2015) Quick measurement of H-1-F-19 scalar couplings from the complex NMR spectra by real-time spin edition. In: CHEMICAL PHYSICS LETTERS, 640 . pp. 157-160.

Lokesh, N and Sachin, SL and Narendra, LV and Aruna, K and Suryaprakash, N (2015) RNA nucleosides as chiral sensing agents in NMR spectroscopy. In: ORGANIC & BIOMOLECULAR CHEMISTRY, 13 (26). pp. 7230-7235.

Mishra, Sundeep Kumar and Suryaprakash, N (2015) Study of H/D exchange rates to derive the strength of intramolecular hydrogen bonds in halo substituted organic building blocks: An NMR spectroscopic investigation. In: CHEMICAL PHYSICS LETTERS, 639 . pp. 254-260.

Lakshmipriya, A and Chaudhari, Sachin Rama and Shahi, Abhishek and Arunan, E and Suryaprakash, N (2015) Three centered hydrogen bonds of the type C=O...H(N)...X-C in diphenyloxamide derivatives involving halogens and a rotating CF3 group: NMR, QTAIM, NCI and NBO studies. In: PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 17 (11). pp. 7528-7536.

Mishra, Sandeep Kumar and Suryaprakash, N (2015) A simple and rapid approach for testing enantiopurity of hydroxy acids and their derivatives using H-1 NMR spectroscopy. In: RSC ADVANCES, 5 (82). pp. 67277-67283.

Mishra, Sandeep Kumar and Chaudhari, Sachin Rama and Suryaprakash, N (2014) In situ approach for testing the enantiopurity of chiral amines and amino alcohols by H-1 NMR. In: ORGANIC & BIOMOLECULAR CHEMISTRY, 12 (3). pp. 495-502.

Chaudhari, Sachin Rama and Suryaprakash, N (2014) Pure shift NMR approach for fast and accurate extraction of heteronuclear couplings. In: RSC ADVANCES, 4 (29). pp. 15018-15021.

Lokesh, N and Chaudhari, Sachin Rama and Suryaprakash, N (2014) Quick re-introduction of selective scalar interactions in a pure-shift NMR spectrum. In: CHEMICAL COMMUNICATIONS, 50 (98). pp. 15597-15600.

Lokesh, * and Chaudhari, Sachin Rama and Suryaprakash, N (2014) RES-TOCSY: A facile approach for accurate determination of magnitudes, and relative signs of (n)J(HF). In: CHEMICAL PHYSICS LETTERS, 602 . pp. 40-44.

Lokesh, Lokesh and Chaudhari, Sachin Rama and Suryaprakash, N (2014) RES-TOCSY: a simple approach to resolve overlapped H-1 NMR spectra of enantiomers. In: ORGANIC & BIOMOLECULAR CHEMISTRY, 12 (6). pp. 993-997.

Chaudhari, Sachin Rama and Suryaprakash, N (2014) Recent NMR Methodological Developments for Chiral Analysis in Isotropic Solutions. In: JOURNAL OF THE INDIAN INSTITUTE OF SCIENCE, 94 (4). pp. 485-515.

Lokesh, L and Suryaprakash, N (2014) Sensitivity enhancement in slice-selective NMR experiments through polarization sharing. In: CHEMICAL COMMUNICATIONS, 50 (62). pp. 8550-8553.

Klika, Karel D and Mishra, Sandeep Kumar and Chaudhari, Sachin Rama and Suryaprakash, N (2014) A three-component protocol for the enantiodifferentiation of amines using triphenyl borate and BINOL: is it an ion pair or an amine-coordinated complex? In: TETRAHEDRON-ASYMMETRY, 25 (9). pp. 705-708.

Chaudhari, Sachin Rama and Suryaprakash, N (2013) Chiral discrimination and the measurement of enantiomeric excess from a severely overcrowded NMR spectrum. In: CHEMICAL PHYSICS LETTERS, 555 . pp. 286-290.

Chaudhari, Sachin Rama and Srinivasa, * and Suryaprakash, N (2013) Cyclodextrin and its complexation for resolution of isomers using diffusion ordered spectroscopy. In: JOURNAL OF MOLECULAR STRUCTURE, 1033 . pp. 75-78.

Kumari, Divya and Bandyopadhyay, Prasun and Suryaprakash, N (2013) Discrimination of alpha-Amino Acids Using Green Tea Flavonoid (-)-Epigallocatechin Gallate as a Chiral Solvating Agent. In: JOURNAL OF ORGANIC CHEMISTRY, 78 (6). pp. 2373-2378.

Chaudhari, Sachin Rama and Mogurampelly, Santosh and Suryaprakash, N (2013) Engagement of CF3 Group in N-H center dot center dot center dot F-C Hydrogen Bond in the Solution State: NMR Spectroscopy and MD Simulation Studies. In: JOURNAL OF PHYSICAL CHEMISTRY B, 117 (4). pp. 1123-1129.

Kumari, Divya and Hebbar, Sankeerth and Suryaprakash, N (2013) Selective excitation and detection of maximum quantum coherence of a group of scalar coupled protons in chiral molecules: an NMR experiment for enantiodiscrimination. In: RSC ADVANCES, 3 (9). pp. 3071-3078.

Chaudhari, Sachin Rama and Suryaprakash, N (2013) Ternary ion-pair complexation: a protocol for chiral discrimination and the assignment of absolute configuration of chiral hydroxy acids. In: NEW JOURNAL OF CHEMISTRY, 37 (12). pp. 4025-4030.

Lokesh, * and Suryaprakash, N (2013) Weakly ordered chiral alignment medium derived from 5 `-GMP: guanosine. In: CHEMICAL COMMUNICATIONS, 49 (20). pp. 2049-2051.

Lokesh, * and Suryaprakash, N (2012) Self-Assembly of Folic Acid: A Chiral-Aligning Medium for Enantiodiscrimination of Organic Molecules in an Aqueous Environment. In: Chemistry-A european journal, 18 (37). pp. 11560-11563.

Chaudhari, Sachin Rama and Suryaprakash, N (2012) Diffusion ordered spectroscopy for resolution of double bonded cis, trans-isomers. In: JOURNAL OF MOLECULAR STRUCTURE, 1017 . pp. 106-108.

Chaudhari, Sachin Rama and Suryaprakash, N (2012) Probing acid-amide intermolecular hydrogen bonding by NMR spectroscopy and DFT calculations. In: JOURNAL OF MOLECULAR STRUCTURE, 1016 . pp. 163-168.

Chaudhari, Sachin Rama and Suryaprakash, N (2012) Simple and efficient methods for discrimination of chiral diacids and chiral alpha-methyl amines. In: ORGANIC & BIOMOLECULAR CHEMISTRY, 10 (31). pp. 6410-6419.

Chaudhari, Sachin Rama and Srinivasa, * and Suryaprakash, N (2012) A versatile resolving agent for diffusion edited separation of enantiomers, complex mixtures and constitutional isomers. In: RSC Advances, 2 (23). pp. 8689-8692.