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Ground and Excited-State Acetic Acid Catalyzed Double Proton Transfer in 2-Aminopyridine †

✍ Scribed by Hung, Fa-Tsai; Hu, Wei-Ping; Li, Tsung-Hui; Cheng, Chung-Chih; Chou, Pi-Tai


Book ID
127342507
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
233 KB
Volume
107
Category
Article
ISSN
1089-5639

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Ground and excited state intramolecular
✍ Xiaofeng Duan; Steve Scheiner 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 774 KB

Molecular orbital calculations reveal that the keto tautomer of HOCHCHNHNCHz, unlike the enol, does not represent a minimum in the ground state proton transfer potential. Excitation to the first excited singlet or triplet state leads to a rapid and barrierless transfer to the keto which becomes stro