in further solvent(s) LiAlH4 in tetraglyme cooled to -10°C; degassed under vac.; CH2CHCH2SnCl3 in tetraglyme slowly added; volatiles removed in trap (-80°C); allylstannane condensed in second trap (-120°C);

2,2'-azo-bisisobutyronitrile in benzene 1 h; Heatinganalogous reaction of other allylic sulfides;