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Application of photoelectron spectroscopy to biologically active molecules and their constituent parts. V. Amino acid methyl esters
Author(s) -
Klasinc L.
Publication year - 2009
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560140735
Subject(s) - x ray photoelectron spectroscopy , molecule , chemistry , spectroscopy , computational chemistry , organic chemistry , stereochemistry , nuclear magnetic resonance , physics , quantum mechanics
The correlation of photoelectron (PE) spectra of amino acids and their methyl esters shows that the gas‐phase electronic structure of the acid can be deduced from results for its ester. Such a procedure is also supported by comparison of PE spectra of carboxylic acids and their methyl (and ethyl) esters. The results indicate that amino acids and free esters in the gas phase appear in their molecular form.