Journal of Heterocyclic Chemistry p. 643 - 648 (1997)
Update date:2022-08-03
Topics:
Sosnicki, Jacek G.
Jagodziriski, Tadeusz S.
Liebscher, Juergen
5,6-Dihydropyridine-2-thiones 2 are synthesized from 5,6-dihydropyridin-2-ones 1 and Lawesson reagent. Stereoselective Michael-like addition of amines, methylhydrazine or functionalized thiols affords trans piperidine-2-thiones 5 with the corresponding heterosubstituent in position 4 as major products. The configuration of the adducts 5 was determined by nmr-techniques.
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