h 20 cln 3 o 2 s c 58 53 h 5 17 cl 9 09 n 10 78 s 8 22 found c 58 50 h 5 23 cl 9 29 n 10 68 s 8 18 3 1h imidazol 1 ylmethyl 2 methyl 5 4 methylphenyl thio methyl 3 2 thienyl isoxazolidine 6 r ch 2 sc 6 h 4 ch 3 4 compound 6 r ch 2 sc 6 h 4 ch 3 4 is prepared by a method similar to that described in example 1 by reacting 2 1h imidazol 1 yl n methyl 1 2 thienyl ethanimine n oxide 4 with allyl 4 methylphenyl sulfide the resulting cis and trans diastereomeric mixture of compound 6 r ch 2 sc 6 h 4 ch 3 4 is flash chromatographed on neutral silica gel using ethyl acetate as eluent isomer a has a melting point of 205 u00b0 210 u00b0 c decomp ethanol as its monohydrochloride salt anal calcd for c 20 h 24 cln 3 os 2 c 56 92 h 5 73 cl 8 40 n 9 96 s 15 20 found c 56 88 h 5 92 cl 8 66 n 9 97 s 15 30 isomer b has a melting point of 159 u00b0 161 u00b0 c ethanol ether 1 1 by volume as its monohydrochloride salt anal calcd for c 20 h 24 cln 3 os 2 c 56 92 h 5 73 cl 8 40 n 9 96 s 15 20 found c 56 78 h 5 82 l n 9 92 compound 6 r ch.