sodium hydrogen sulphate; sulfuric acid; water in pyridine; dichloromethane byproducts: p-H3CC6H4OH; slow addn. of soln. of CH3PhOC(S)Cl in CH2Cl2 to cold (-20°C) soln. of alcohol in pyridine, 3h. 0°C, ice, extd. with CH2Cl2, treatment with H2SO4 (10percent), NaHCO3 (10percent), H2O; mixt. warmed up to 200°C, then thermolysis at 700°C; in N2, condensation of products in a dewar vessel (liquid N2), warmed up to ambient temp.; first reaction detected by HPLC and IR, purifn. of educt by chromy. (Florisil, pentane), purifn. detected by HPLC or GC;

in tetrahydrofuran addn. of Bu3SnCl (room temp., N2) to soln. of Grignard reagent (from 1-bromocyclohexene and Mg in THF); mixt. refluxed for 2 h; cooled at 0°C, petroleum ether added, then satd. NH4Cl soln., sepn., drying, solvents removed, distn.;

Burgess Reagent in benzene byproducts: HNEt3(1+)*OSO2NHCO2Me(1-); addn. of the alcohol to the inner salt under inert atm., room temp., stirred overnight, heated (70°C, 6 h), hydrolyzed; chromy. (florisil, pentane);

in gaseous matrix flash pyrolysis (vac.) with N2 at 800°C;

in diethyl ether byproducts: magnesium chloride, acetic acid; 1: addn. of soln. of carbonyl in ether to equimolar amts. of Bu3SnMgCl in ether, addn. of CH3COCl, reflux, under inert atmosphere, filtration, distn. in vac.; 2: mixt. warmed up to 200°C, then thermolysis at 800°C in N2, condensation of; products in a dewar vessel (liquid N2), warmed up to ambient temp.; first reaction detected IR and NMR, purifn. of intermediate (acetate) and of product by chromy. (Florisil, pentane);

in gas byproducts: hexabutylditin; placing starting material in a porcelain cup in the sublimation chamber of a flash vac. thermolysis apparatus, react. at 800-850°C in the main oven and 250-300°C in the sublimation oven (10E-2 mm), oven packed with broken porcelain; vapors quenched on a dewar cold finger, pyrolysis tube cooled to room temp., product washed with ether from the dewar surface, ether evapd., chromy. (florisil);

in gas byproducts: hexabutylditin; placing starting material in a porcelain cup in the sublimation chamber of a flash vac. thermolysis apparatus, react. at 800-850°C in the main oven and 250-300°C in the sublimation oven (10E-2 mm), oven packed with broken porcelain; vapors quenched on a dewar cold finger, pyrolysis tube cooled to room temp., product washed with ether from the dewar surface, ether evapd., chromy. (florisil);

in not given

in tetrahydrofuran addn. of vinyl bromide and ethylene dibromide to Mg in THF (N2 atmosphere), addn. of further vinyl bromide in THF during 1 h at reflux, decantation, addn. of Sn-compd., refluxing (1 h), cooling room temp.); chromy. (Chromosorb G, 185°C); elem. anal.;

in dichloromethane 32 h; Heating;