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Laser photolysis studies on hydrogen atom abstraction by triplet benzophenone from hydroxyanilinium ions

โœ Scribed by Toshitada Yoshihara; Minoru Yamaji; Haruo Shizuka

Book ID
107736683
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
357 KB
Volume
261
Category
Article
ISSN
0009-2614

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The rate constants (kHA and klQ) for the hydrogen atom abstraction (HA) and induced-quenching (IQ) processes between triplet benzophenone (3Bp \*) and halogenated toluenes (XTL) were determined by means of nanosecond laser flash photolysis techniques. It was found that the klQ value increased propor

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It is found that the triplet-triplet energy transfer (ET) reaction between triplet benzophenone ('BP\*) and l-naphthol (ROH) is competitive with the hydrogen atom abstraction (HA) reaction. The rate constant of ET is enhanced with an increase of solvent polarity while that of HA is reduced. A possib