Specifics of photoinduced excited-state intramolecular proton transfer in o-tosylaminobenzoic and o-acetylaminobenzoic acids View Full Text


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Article Info

DATE

2013-07-04

AUTHORS

M. N. Khimich, L. D. Uzhinova, L. D. Popov, A. S. Burlov, B. M. Uzhinov

ABSTRACT

In the ground state, o-tosylaminobenzoic and o-acetylaminobenzoic acids exist in the form of two rotamers with intramolecular hydrogen bonds N-H...O=C (cis) and N-H...O(OH)-C (trans). In nonpolar solvents, the formation of dimers with hydrogen bonding between carboxyl groups takes place. Efficient barrierless excited state intramolecular proton transfer (ESIPT) occurs along the N-H...O=C hydrogen bond upon excitation of o-tosylaminobenzoic acid. The efficiency of ESIPT in o-acetylaminobenzoic acid is lower because of the low acidity of the substituted amino group. More... »

PAGES

171-176

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0018143913040073

DOI

http://dx.doi.org/10.1134/s0018143913040073

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1033652447


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