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» Authors » Rekha D Shah

Rekha D Shah

Explore the profile of Rekha D Shah including associated specialties, affiliations and a list of published articles. Areas
Snapshot
Articles 7
Citations 189
Followers 0
Related Specialties
Chemistry
Pathology
Top 10 Co-Authors
Laurence A Nafie
Rina K Dukor
Xiaolin Cao
Teresa B Freedman
Changning Guo
Cynthia A Maryanoff
Bruce D Harris
Ahmed F Abdel-Magid
Kenneth G Carson
Jay M Matthews
Published In
Appl Spectrosc
Chirality
J Org Chem
Anal Chem
Enantiomer
Affiliations
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Recent Articles
1.
Fourier transform near-infrared vibrational circular dichroism used for on-line monitoring the epimerization of 2,2-dimethyl-1,3-dioxolane-4-methanol: A pseudo racemization reaction
Guo C, Shah R, Mills J, Dukor R, Cao X, Freedman T, et al.
Chirality . 2006 Aug; 18(10):775-82. PMID: 16906494
Near-infrared (near-IR) Fourier transform vibrational circular dichroism (FT-VCD) spectroscopy has been used to monitor the epimerization of (S)-(+)-2,2-dimethyl-1,3-dioxolane-4-methanol (S-DDM). The near-IR-VCD spectra display clear isolated VCD bands at the range...
2.
Enantiomeric excess determination by fourier transform near-infrared vibrational circular dichroism spectroscopy: simulation of real-time process monitoring
Guo C, Shah R, Dukor R, Cao X, Freedman T, Nafie L
Appl Spectrosc . 2005 Oct; 59(9):1114-24. PMID: 16197634
The first use of near-infrared (NIR) Fourier transform vibrational circular dichroism (FT-VCD) to follow changes in the enantiomeric excess (EE) of chiral sample molecules in time using a flow-cell sampling...
3.
Determination of enantiomeric excess in samples of chiral molecules using fourier transform vibrational circular dichroism spectroscopy: simulation of real-time reaction monitoring
Guo C, Shah R, Dukor R, Cao X, Freedman T, Nafie L
Anal Chem . 2004 Dec; 76(23):6956-66. PMID: 15571347
The first use of Fourier transform vibrational circular dichroism (FT-VCD) to follow changes in the percent enantiomeric excess (% EE) of chiral molecules in time using a flow cell sampling...
4.
Extension of fourier transform vibrational circular dichroism into the near-infrared region: continuous spectral coverage from 800 to 10 000 cm(-1)
Cao X, Shah R, Dukor R, Guo C, Freedman T, Nafie L
Appl Spectrosc . 2004 Oct; 58(9):1057-64. PMID: 15479522
We report the first vibrational circular dichroism (VCD) spectra with continuous coverage from 800 cm(-1) in the mid-infrared (MIR) region to 10 000 cm(-1) in the near-infrared (NIR) region. This...
5.
Quantitative analysis of incomplete HPLC resolution of enantiomers. Fit of polarimetric detection for D- and L-phenylalanine to a gaussian function
Edkins T, Meier P, Shah R, Bobbitt D, Saranadasa H, Lodevico R
Enantiomer . 2002 Jun; 7(1):11-22. PMID: 12043942
This report compares laser-based polarimetric and UV data for quantitating incompletely resolved enantiomers by HPLC. Using L- and D-phenylalanine as a working model, response data is shown across the entire...
6.
Determination of the absolute configuration of a key tricyclic component of a novel vasopressin receptor antagonist by use of vibrational circular dichroism
Dyatkin A, Freedman T, Cao X, Dukor R, Maryanoff B, Maryanoff C, et al.
Chirality . 2002 Feb; 14(2-3):215-9. PMID: 11835568
We present the results of a study using vibrational circular dichroism (VCD) for (+)-1, which furnished an unambiguous determination of its absolute configuration as S. The most abundant conformation of...
7.
Reductive Amination of Aldehydes and Ketones with Sodium Triacetoxyborohydride. Studies on Direct and Indirect Reductive Amination Procedures(1)
Abdel-Magid A, Carson K, Harris B, Maryanoff C, Shah R
J Org Chem . 1996 May; 61(11):3849-3862. PMID: 11667239
Sodium triacetoxyborohydride is presented as a general reducing agent for the reductive amination of aldehydes and ketones. Procedures for using this mild and selective reagent have been developed for a...