... Typically, 6.30 g. of CH d HS i C 4 and 34.2 g. (a 30% excess) of AgOCOCF, in 35 ml. of carbon tetrachloride similarly furnivhed 9.0 g. (60% yield) of CH,--CHSi- (8) Jack Hine, Physical Organic Chemistry, McGraw-Hill, (9) H. 11. Anderson, J. Am. Chem. SOC., 67, 223 (1945). ...