... 1). 7 Reactions were carried out by heating the allylic sulfide 3 with 5 mol % iron(II) chloride diphenylphospinoethane ... Scheme 2. Stereospecific Reaction of α-Silyl Sulfoxides. ... The p-hydroxystyrene moiety of bakuchiol makes it unstable to both oxygen 6 and acid, 18 so it is ...