in dichloromethane Ph3Sb (2 equiv.) added to CH2Cl2 soln. of Bi compd. at room temp.; reacted for 30 min; concd. under reduced pressure; detd. by (1)H NMR spectra;
in dichloromethane to soln. of triarylstibine in CH2Cl2 added at room temp. soln. of sulfuryl chloride in CH2Cl2; monitored by TLC chromy.; mixt. concd.; hexane added; elem. anal.;
