Bulletin of the Chemical Society of Japan p. 1817 - 1821 (1983)
Update date:2022-08-30
Topics:
Sugimori
Ogishima
Miyazawa
Hasegawa
Suzuki
The rate of photo-methoxylation of methyl 2-pyridinecarboxylate(1) in acidic methanol is accelerated by 4-substituted pyridines and their analogs, 4,4 prime -bipyridine and pyrazine. The photo-methoxylation of 1 is not promoted by triplet sensitizers, electron donors, or electron acceptors. Detailed analyses on the 1-4-pyridine-carbonitrile(3) system including wavelength dependence lead to a mechanism for the promotion via an excited complex formed from an excited 1 and 3 in the ground state.
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