Proton transfer with a twist? Femtosecond Dynamics of 7‐(2‐pyridyl)indole in Condensed Phase and in Supersonic Jets | Zendy

Nosenko Y. | Zendy; WiosnaSałyga G. | Zendy; Kunitski M. | Zendy; Petkova I. | Zendy; Singh A. | Zendy; Buma W. J. | Zendy; Thummel R. P. | Zendy; Brutschy B. | Zendy; Waluk J. | Zendy

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Proton transfer with a twist? Femtosecond Dynamics of 7‐(2‐pyridyl)indole in Condensed Phase and in Supersonic Jets

Author(s) -

Nosenko Y.,

WiosnaSałyga G.,

Kunitski M.,

Petkova I.,

Singh A.,

Buma W. J.,

Thummel R. P.,

Brutschy B.,

Waluk J.

Publication year - 2008

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200801350

Subject(s) - conical intersection , intramolecular force , indole test , femtosecond , proton , twist , photochemistry , supersonic speed , chemistry , excited state , molecule , pyridine , chemical physics , jet (fluid) , phase (matter) , molecular physics , atomic physics , stereochemistry , physics , laser , thermodynamics , organic chemistry , optics , geometry , mathematics , quantum mechanics

Twist‐assisted proton transfer : Excited‐state intramolecular proton transfer (ESIPT) in 7‐(2‐pyridyl)indole proceeds in a barrierless fashion and is coupled with mutual twisting of the pyridine and indole moieties. As a result, the reaction is slower in a condensed phase than in the supersonic jet‐isolated molecule (1 ps vs. about 300 fs). Ultrafast radiationless deactivation of the phototautomer occurs via a conical intersection (CI).

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