Chemistry Letters p. 1503 - 1506 (1983)
Update date:2022-08-02
Topics:
Takikawa, Yuji
Shimada, Kazuaki
Makabe, Takahiro
Takizawa, Saburo
2,4,6-Triaryl-dihydro-1,3,5-dithiazines reacted with electrophilic reagents such as p-TsOH*H2O, CF3COOH, HCl, and BF3*OEt2 under reflux in CH3CN to afford α-2,4,6-triaryl-1,3,5-trithianes and β-isomers (3a-d) in good yields.Reaction with I2 gave selectively 3a-d in high yields, while with ICl or IBr gave 3a-d and p-substituted benzylideneamine*HY.
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