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Proceedings Paper

Vibrational Circular Dichroism Studies Of Interchain Hydrogen Bonding In Tripodal Peptide Molecules
Author(s): M. G. Paterlini; T. B. Freedman; L. A. Nafie; Y. Tor; A. Shanzer
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Paper Abstract

Vibrational circular dichroism (VCD) has been used to determine the solution structures of three tripodal peptide molecules. The interchain hydrogen bonding is shown to be oriented in a clockwise direction (from C=0 to NH) by application of the coupled oscillator mechanism in the carbonyl stretching region. The carbonyls of the terminal Boc groups are found to be oriented in a counterclockwise direction. Open chain conformations and dimers are also present in solution and contribute to the VCD spectra with monosignate intensity that is interpreted using the ring current mechanism.

Paper Details

Date Published: 1 December 1989
PDF: 2 pages
Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); doi: 10.1117/12.969400
Show Author Affiliations
M. G. Paterlini, Syracuse University (United States)
T. B. Freedman, Syracuse University (United States)
L. A. Nafie, Syracuse University (United States)
Y. Tor, The Weizmann Institute of Science (Israel)
A. Shanzer, The Weizmann Institute of Science (Israel)

Published in SPIE Proceedings Vol. 1145:
7th Intl Conf on Fourier Transform Spectroscopy

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