Bulletin of the Chemical Society of Japan p. 1497 - 1504 (1987)
Update date:2022-08-02
Topics:
Tsuge, Otohiko
Kanemasa, Shuji
Naritomi, Toshio
Tanaka, Junji
A new method for the alkyl group introduction at the 3-position of pyridines is described: Reductive disilylation of pyridine, its 2-methyl, 3-methyl, and 4-methyl derivatives affords the corresponding 1,4-disilyl-1,4-dihydropyridines.Tn the presence of a catalytic amount of tetrabutylammonium fluoride, these dihydropyridines smoothly react with a variety of aldehydes and ketones to give 3-alkylpyridines.
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Doi:10.1021/acs.orglett.8b03040
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