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An Azimine‐Triaziridine Transformation by Laser Photolysis
Author(s) -
Kaupp Gerd,
Döhle Jens A.
Publication year - 1986
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198608281
Subject(s) - photodissociation , yield (engineering) , excited state , excitation , two photon excitation microscopy , character (mathematics) , photon , laser , transformation (genetics) , photochemistry , pulse (music) , chemistry , atomic physics , materials science , physics , optics , mathematics , quantum mechanics , geometry , biochemistry , detector , metallurgy , gene
The triaziridine 2 could be prepared from 1 in a two‐photon process at 10–85 K. One‐photon excitation does not alter the azimine 1 . Probably 1 is first transformed into an excited state with real 1,3‐dipolar character, from which it then cyclizes within a pulse duration of 14ns by taking up a second photon. 2 is completely reconverted into 1 at 150 K. The back reaction proceeds photochemically in 65% yield.
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