Synthetic Communications p. 3313 - 3321 (1999)
Update date:2022-08-11
Topics:
Iranpoor
Tamami
Shekarriz
Conversion of epoxides to thiiranes with ammonium thiocyanate or thiourea in the presence of poly(4-vinyl pyridine)-Ce(OTf)4 as catalyst and under non-aqueous condition is reported. Stereospecific conversion of R-(+)- styrene oxide to S-(-)-styrene sulfide was achieved in high optical purity. The polymer can be easily reloaded.
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