S. Obika et al., SYNTHESES OF 1-SUBSTITUTED (S-S)-3-P-TOLYLSULFINYL-1,4-DIHYDROPYRIDINES, CHIRAL NADH MODEL COMPOUNDS, Heterocycles, 44, 1997, pp. 537-542
(S-S)-3-(p-Tolylsulfinyl)-1,4-dihydropyridines with various kinds of s
ubstituents on the N-1 position were synthesized from (S-S)-1-lithio-3
-(p-tolylsulfinyl)-1, 4-dihydropyridine, which was generated on reacti
on of the 1-benzoyl derivative with methyllithium.