Works by Prasad L. Polavarapu

Results: 57

Absolute Configuration of C76 from Optical Rotatory Dispersion.

Published in:

ChemPhysChem, 2005, v. 6, n. 12, p. 2535, doi. 10.1002/cphc.200500171

By:

Prasad L. Polavarapu;
Jiangtao He;
Jeanne Crassous;
Kenneth Ruud

Publication type:

Article

A Thermal and Solvocontrollable Cylindrical Nanoshutter Based on a Single Screw-Sense Helical Polyguanidine.

Published in:

Angewandte Chemie, 2005, v. 117, n. 44, p. 7464, doi. 10.1002/ange.200501977

By:

Hong-Zhi Tang;
Bruce M. Novak;
Jiangtao He;
Prasad L. Polavarapu

Publication type:

Article

Characterization of folded conformations in a tetrapeptide containing two tryptophan residues by vibrational circular dichroism.

Published in:

Chirality, 2009, v. 21, n. 1E, p. E76, doi. 10.1002/chir.20779

By:

Petrovic, Ana G.;
Polavarapu, Prasad L.;
Mahalakshmi, R.;
Balaram, P.

Publication type:

Article

Determination of the absolute configurations at stereogenic centers in the presence of axial chirality.

Published in:

Chirality, 2009, v. 21, n. 1E, p. E202, doi. 10.1002/chir.20797

By:

Polavarapu, Prasad L.;
Jeirath, Neha;
Kurtán, Tibor;
Pescitelli, Gennaro;
Krohn, Karsten

Publication type:

Article

Special issue 'Advances in Chiroptical Methods'.

Published in:

Chirality, 2009, v. 21, n. 1E, p. E2, doi. 10.1002/chir.20826

By:

Polavarapu, Prasad L.;
Nafie, Laurence A.;
Berova, Nina

Publication type:

Article

Structural transition during thermal denaturation of collagen in the solution and film states.

Published in:

Chirality, 2009, v. 21, n. 1, p. 152, doi. 10.1002/chir.20598

By:

Shanmugam, Ganesh;
Polavarapu, Prasad L.

Publication type:

Article

Why is it important to simultaneously use more than one chiroptical spectroscopic method for determining the structures of chiral molecules?

Published in:

Chirality, 2008, v. 20, n. 5, p. 664, doi. 10.1002/chir.20475

By:

Polavarapu, Prasad L.

Publication type:

Article

Determination of the absolute stereochemistry of chiral biphenanthryls in solution phase using chiroptical spectroscopic methods: 2,2′-Diphenyl-[3,3′-biphenanthrene]-4,4′-diol.

Published in:

Chirality, 2008, v. 20, n. 3/4, p. 501, doi. 10.1002/chir.20490

By:

Petrovic, Ana G.;
Vick, Sarah E.;
Polavarapu, Prasad L.

Publication type:

Article

Spectroscopic rationalization of the separation abilities of decaproline chiral selector in dichloromethane–isopropanol solvent mixture.

Published in:

Chirality, 2007, v. 19, n. 2, p. 99

By:

Peng Zhang;
Prasad L. Polavarapu;
Junmin Huang;
Tingyu Li

Publication type:

Article

Kramers-Kronig transformation of experimental electronic circular dichroism: Application to the analysis of optical rotatory dispersion in dimethyl- L-tartrate.

Published in:

Chirality, 2006, v. 18, n. 9, p. 723, doi. 10.1002/chir.20310

By:

Polavarapu, Prasad L.;
Petrovic, Ana G.;
Zhang, Peng

Publication type:

Article

Protocols for the analysis of theoretical optical rotations.

Published in:

Chirality, 2006, v. 18, n. 5, p. 348, doi. 10.1002/chir.20265

By:

Polavarapu, Prasad L.

Publication type:

Article

Absolute configurations of chiral herbicides determined from vibrational circular dichroism.

Published in:

Chirality, 2005, v. 17, n. S1, p. S1, doi. 10.1002/chir.20096

By:

He, Jiangtao;
Wang, Feng;
Polavarapu, Prasad L.

Publication type:

Article

Intrinsic rotation and molecular structure.

Published in:

Chirality, 2003, v. 15, n. S1, p. S143, doi. 10.1002/chir.10255

By:

Polavarapu, Prasad L.;
Petrovic, Ana;
Wang, Feng

Publication type:

Article

Optical rotation: Recent advances in determining the absolute configuration.

Published in:

Chirality, 2002, v. 14, n. 10, p. 768, doi. 10.1002/chir.10145

By:

Polavarapu, Prasad L.

Publication type:

Article

Absolute configuration and conformational analysis of a degradation product of inhalation anesthetic Sevoflurane: A vibrational circular dichroism study.

Published in:

Chirality, 2002, v. 14, n. 8, p. 618, doi. 10.1002/chir.10106

By:

Wang, Feng;
Polavarapu, Prasad L.;
Schurig, V.;
Schmidt, R.

Publication type:

Article

The structure of antimicrobial pexiganan peptide in solution probed by Fourier transform infrared absorption, vibrational circular dichroism, and electronic circular dichroism spectroscopy.

Published in:

Biopolymers, 2005, v. 80, n. 5, p. 636, doi. 10.1002/bip.20132

By:

Shanmugam, Ganesh;
Polavarapu, Prasad L.;
Gopinath, D.;
Jayakumar, R.

Publication type:

Article

A study of the conformations of valinomycin in solution phase.

Published in:

Biopolymers, 2004, v. 75, n. 1, p. 85, doi. 10.1002/bip.20103

By:

Wang, Feng;
Zhao, Chunxia;
Polavarapu, Prasad L.

Publication type:

Article

Conformational analysis of melittin in solution phase: Vibrational circular dichroism study.

Published in:

Biopolymers, 2003, v. 70, n. 4, p. 614, doi. 10.1002/bip.10504

By:

Feng Wang;
Prasad L. Polavarapu

Publication type:

Article

Determination of the Absolute Configurations of Chiral Drugs Using Chiroptical Spectroscopy.

Published in:

Molecules, 2016, v. 21, n. 8, p. 1056, doi. 10.3390/molecules21081056

By:

Polavarapu, Prasad L.

Publication type:

Article

Circular Dichroism of Designed Peptide Helices and β-Hairpins: Analysis of Trp- and Tyr-Rich Peptides.

Published in:

ChemBioChem, 2005, v. 6, n. 12, p. 2152

By:

Radhakrishnan Mahalakshmi;
Ganesh Shanmugam;
Prasad L. Polavarapu;
Padmanabhan Balaram

Publication type:

Article

A comparison of bond moment and charge flow models for vibrational circular dichroism intensities.

Published in:

Molecular Physics, 1983, v. 49, n. 3, p. 645, doi. 10.1080/00268978300101421

By:

Polavarapu, Prasad L.

Publication type:

Article

To Avoid Chasing Incorrect Chemical Structures of Chiral Compounds: Raman Optical Activity and Vibrational Circular Dichroism Spectroscopies.

Published in:

ChemPhysChem, 2017, v. 18, n. 18, p. 2459, doi. 10.1002/cphc.201700764

By:

Polavarapu, Prasad L.;
Covington, Cody L.;
Raghavan, Vijay

Publication type:

Article

Absolute Configuration of Bromochlorofluoromethane from Experimental and Ab Initio Theoretical Vibrational Raman Optical Activity.

Published in:

Angewandte Chemie International Edition, 1997, v. 36, n. 8, p. 885, doi. 10.1002/anie.199708851

By:

Costante, Jeanne;
Hecht, Lutz;
Polavarapu, Prasad L.;
Collet, André;
Barron, Laurence D.

Publication type:

Article

Absolute Configuration of C2-Symmetric Spiroselenurane: 3,3,3′,3′-Tetramethyl-1,1′-spirobi[3 H,2,1]Benzoxaselenole.

Published in:

Chemistry - A European Journal, 2005, v. 11, n. 14, p. 4257, doi. 10.1002/chem.200401331

By:

Ana G. Petrovic;
Prasad L. Polavarapu;
Jozef Drabowicz;
Yingru Zhang;
Oliver J. McConnell;
Helmut Duddeck

Publication type:

Article

Chiral sulfur-containing structures: Selected synthetic and structural aspects.

Published in:

2007

By:

Drabowicz, Józef;
Zając, Adrian;
Krasowska, Dorota;
Bujnicki, Bogdan;
Dudziński, Bogdan;
Janicka, Magdalena;
Mikołajczyk, Marian;
Chmielewski, Marek;
Czarnocki, Zbigniew;
Gawroński, Jacek;
Polavarapu, Prasad L.;
Wieczorek, Michał W;
Marciniak, Bernard;
Sokołowska-Różycka, Ewa

Publication type:

Other

Ab initio molecular optical rotations and absolute configurations.

Published in:

Molecular Physics, 1997, v. 91, n. 3, p. 551, doi. 10.1080/00268979709482744

By:

Polavarapu, Prasad L.

Publication type:

Article

Chiral explosives: A theoretical investigation of structure and chiroptical properties of triacetone triperoxide and hexamethylene triperoxide diamine.

Published in:

Chirality, 2023, v. 35, n. 4, p. 211, doi. 10.1002/chir.23532

By:

Puente, Andrew R.;
Polavarapu, Prasad L.

Publication type:

Article

Synthesis, characterization and absolute configurations of methyl ladderanoates.

Published in:

Chirality, 2023, v. 35, n. 1, p. 49, doi. 10.1002/chir.23515

By:

Harris, Constance M.;
Harris, Thomas M.;
Stec, Donald F.;
Schley, Nathan D.;
Johnson, Jordan L.;
Covington, Cody L.;
Polavarapu, Prasad L.

Publication type:

Article

Chiroptical spectroscopic studies for the absolute configuration determination of hexahydrocurcumin and octahydrocurcumin.

Published in:

Chirality, 2022, v. 34, n. 12, p. 1515, doi. 10.1002/chir.23511

By:

Puente, Andrew R.;
Nagabhushanam, Kalyanam;
Ganjihal, Savita;
Majeed, Muhammed;
Polavarapu, Prasad L.

Publication type:

Article

Absolute configuration of a [1]rotaxane determined from vibrational and electronic circular dichroism spectra.

Published in:

Chirality, 2021, v. 33, n. 11, p. 773, doi. 10.1002/chir.23365

By:

Puente, Andrew R.;
Bessaguet, Adrien;
Pairault, Noël;
Pieters, Grégory;
Crassous, Jeanne;
Polavarapu, Prasad L.;
Opalinski, Isabelle;
Papot, Sébastien

Publication type:

Article

Absolute configuration of seco‐eudesmanolide inuloxin D from experimental and predicted chiroptical studies of its 4‐O‐acetyl derivative.

Published in:

Chirality, 2021, v. 33, n. 5, p. 233, doi. 10.1002/chir.23301

By:

Johnson, Jordan L.;
Santoro, Ernesto;
Zatout, Roukia;
Petrovic, Ana G.;
Cimmino, Alessio;
Superchi, Stefano;
Evidente, Antonio;
Berova, Nina D.;
Polavarapu, Prasad L.

Publication type:

Article

Enhancement of the chiroptical response of α‐amino acids via N‐substitution for molecular structure determination using vibrational circular dichroism.

Published in:

Chirality, 2020, v. 32, n. 5, p. 564, doi. 10.1002/chir.23205

By:

Polavarapu, Prasad L.;
Santoro, Ernesto;
Covington, Cody L.;
Raghavan, Vijay

Publication type:

Article

Absolute configurations of chiral molecules with multiple stereogenic centers without prior knowledge of the relative configurations: A case study of inuloxin C.

Published in:

Chirality, 2018, v. 30, n. 11, p. 1206, doi. 10.1002/chir.23013

By:

Johnson, Jordan L.;
Raghavan, Vijay;
Cimmino, Alessio;
Moeini, Arash;
Petrovic, Ana G.;
Santoro, Ernesto;
Superchi, Stefano;
Berova, Nina;
Evidente, Antonio;
Polavarapu, Prasad L.

Publication type:

Article

(R)‐Metacycloprodigiosin‐HCl: Chiroptical properties and structure.

Published in:

Chirality, 2018, v. 30, n. 7, p. 932, doi. 10.1002/chir.22867

By:

Peixoto, Daniela;
Ferreira, Elisabete P.;
Lourenço, Ana M.;
Johnson, Jordan L.;
Lobo, Ana M.;
Polavarapu, Prasad L.

Publication type:

Article

Specific optical rotation is a versatile tool for the identification of critical micelle concentration and micellar growth of tartaric acid-based diastereomeric amphiphiles.

Published in:

Chirality, 2017, v. 29, n. 12, p. 836, doi. 10.1002/chir.22767

By:

Raghavan, Vijay;
Polavarapu, Prasad L.

Publication type:

Article

Absolute configuration of an axially chiral sulfonate determined from its optical rotatory dispersion, electronic circular dichroism, and vibrational circular dichroism spectra.

Published in:

Chirality, 2017, v. 29, n. 11, p. 670, doi. 10.1002/chir.22739

By:

Covington, Cody L.;
Raghavan, Vijay;
Smuts, Jonathan P.;
Armstrong, Daniel W.;
Polavarapu, Prasad L.

Publication type:

Article

CDSpecTech: A single software suite for multiple chiroptical spectroscopic analyses.

Published in:

Chirality, 2017, v. 29, n. 5, p. 178, doi. 10.1002/chir.22691

By:

Covington, Cody L.;
Polavarapu, Prasad L.

Publication type:

Article

Structural Analysis Using Chiroptical Spectroscopy: Insights and Cautions.

Published in:

Chirality, 2016, v. 28, n. 6, p. 445, doi. 10.1002/chir.22601

By:

Polavarapu, Prasad L.

Publication type:

Article

Specific Optical Rotations and the Horeau Effect.

Published in:

Chirality, 2016, v. 28, n. 3, p. 181, doi. 10.1002/chir.22565

By:

Covington, Cody L.;
Polavarapu, Prasad L.

Publication type:

Article

On the Complementarity of ECD and VCD Techniques.

Published in:

Chirality, 2014, v. 26, n. 9, p. 165, doi. 10.1002/chir.22330

By:

Nicu, Valentin Paul;
Mándi, Attila;
Kurtán, Tibor;
Polavarapu, Prasad L.

Publication type:

Article

Comparison of Experimental and Calculated Chiroptical Spectra for Chiral Molecular.

Published in:

Chirality, 2014, v. 26, n. 9, p. 179, doi. 10.1002/chir.22316

By:

Polavarapu, Prasad L.;
Covington, Cody L.

Publication type:

Article

Molecular Structure Determination Using Chiroptical Spectroscopy: Where We May Go Wrong?

Published in:

Chirality, 2012, v. 24, n. 11, p. 909, doi. 10.1002/chir.22015

By:

Polavarapu, Prasad L.

Publication type:

Article

Comparison of mid-infrared Fourier transform vibrational circular dichroism measurements with single and dual polarization modulations.

Published in:

Chirality, 2011, v. 23, n. 9, p. 801, doi. 10.1002/chir.20999

By:

Polavarapu, Prasad L.;
Shanmugam, Ganesh

Publication type:

Article

Vibrational Raman optical activity of diacetyl L‐tartaric acid and corresponding surfactants: Sodium salts and shorter analogs of surfactants simplify the interpretations.

Published in:

Journal of Raman Spectroscopy, 2022, v. 53, n. 6, p. 1102, doi. 10.1002/jrs.6334

By:

Polavarapu, Prasad L.;
Johnson, Jordan L.;
Raghavan, Vijay;
Zając, Grzegorz;
Baranska, Malgorzata

Publication type:

Article

Vibrational Raman optical activity of camphor: The importance of electric‐dipole—electric‐quadrupole polarizability contribution.

Published in:

Journal of Raman Spectroscopy, 2020, v. 51, n. 4, p. 669, doi. 10.1002/jrs.5829

By:

Johnson, Jordan L.;
Zajac, Grzegorz;
Baranska, Malgorzata;
Polavarapu, Prasad L.

Publication type:

Article

Vibrational Raman optical activity of bicyclic terpenes: comparison between experimental and calculated vibrational Raman, Raman optical activity, and dimensionless circular intensity difference spectra and their similarity analysis.

Published in:

Journal of Raman Spectroscopy, 2017, v. 48, n. 5, p. 777, doi. 10.1002/jrs.5157

By:

Polavarapu, Prasad L.;
Covington, Cody L.;
Chruszcz‐Lipska, Katarzyna;
Zajac, Grzegorz;
Baranska, Malgorzata

Publication type:

Article

Vibrational Raman optical activity of bicyclic terpenes: comparison between experimental and calculated vibrational Raman, Raman optical activity, and dimensionless circular intensity difference spectra and their similarity analysis.

Published in:

Journal of Raman Spectroscopy, 2017, v. 48, n. 2, p. 305, doi. 10.1002/jrs.5035

By:

Polavarapu, Prasad L.;
Covington, Cody L.;
Chruszcz‐Lipska, Katarzyna;
Zajac, Grzegorz;
Baranska, Malgorzata

Publication type:

Article

Vibrational circular dichroism of gramicidin D in vesicles and micelles.

Published in:

Biopolymers, 2001, v. 62, n. 6, p. 336, doi. 10.1002/bip.10004

By:

Zhao, Chunxia;
Polavarapu, Prasad L.

Publication type:

Article

Asymmetric Sequential Cu-Catalyzed 1,6/1,4-Conjugate Additions of Hard Nucleophiles to Cyclic Dienones: Determination of Absolute Configurations and Origins of Enantioselectivity.

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 31, p. 7515, doi. 10.1002/chem.201606034

By:

Blons, Charlie;
Morin, Marie S. T.;
Schmid, Thibault E.;
Vives, Thomas;
Colombel‐Rouen, Sophie;
Baslé, Olivier;
Reynaldo, Thibault;
Covington, Cody L.;
Halbert, Stéphanie;
Cuskelly, Sean N.;
Bernhardt, Paul V.;
Williams, Craig M.;
Crassous, Jeanne;
Polavarapu, Prasad L.;
Crévisy, Christophe;
Gérard, Hélène;
Mauduit, Marc

Publication type:

Article

Medicinally Significant Enantiopure Compounds from Garcinia Acid Isolated from Garcinia gummi-gutta.

Published in:

Symmetry (20738994), 2024, v. 16, n. 10, p. 1331, doi. 10.3390/sym16101331

By:

Haleema, Simimole;
Gopinath, Chithra;
Kallingathodi, Zabeera;
Thomas, Grace;
Polavarapu, Prasad L.

Publication type:

Article