ran5 with equimolar amounts of thionyl chloride and pyridine gave-1-(2-~ hloroethyl)- tetrahydro-pyran, bp 71"(6 mm.); Anal. Calcd. for C;-H130C1: C1, 23.9. Found: C1, 23.5., The Grignard reagent prepared from 4-(2-chloroethyl)-tetrahydropyran in tetrahydrofuran was added to excess silicon tetrachloride and gave 4-(2-trichloro-silylethy1)-tetrahydropyran (111) in 637, yield, bp 97"(3 mm.); Anal. Calcd. for C? Hl3SiOCl3: Si, 11.3; C1, 43.1. ...