4-((benzyloxy)methyl)-2,2-diphenyl-6-vinyl-5,6-dihydro-2H-1,2-oxasiline

(E)-4-((benzyloxy)methyl)-6-(3-methylbut-1-en-1-yl)-2,2-diphenyl-5,6-dihydro-2H-1,2-oxasiline

1-(allyldiphenylsilyl)-3-bromoprop-1-yne