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Part-IResults and DiscussionS. No.AYMol. Formula(Sol of recryst.)M.P ( o C) IR (cm -1 )(KBr)Mass (m/e)NMR (δppm)(DMSO-d 6 )IVxxIVxxiIVxxiiSSSH C 17 H 14 N 4 O 2 S 2(C-M)OCH 3 C 18 H 16 N 4 O 3 S 2(C-M)H C 19 H 18 N 4 O 2 S 2(C-M)221-225 3218(γ NH ),2960(γ C-H ),1661(γ CONH ),1057(γ S-O ),745(γ C-S )210-212 3394(γ NH ),2954(γ C-H ),1659(γ CONH ),1029(γ S-O ),808(γ C-S )196-199 3250(γ NH ),2916(γ C-H ),1651(γ CONH ),1057(γ S-O ),744(γ C-S )-- ---- ---- 1.68-1.71 (6H, m, CH 2 at 6, 7, & 8), 1.88 (2H, t,CH 2 at 5, J = 3.30), 3.30 (2H, t, CH 2 at 9, J =5.32), 5.35 (2H, s, CH 2 at SCH 2 ), 7.20-7.69 (4H,m, H at imidazole), 12.30 (1H, s, NH), 13.20 (1H,s, NH)IVxxiiiSOCH 3 C 20 H 20 N 4 O 3 S 2(C-M)IVxxiv H C 16 H 12 N 4 O 2 S(C-M)IVxxv OCH 3 C 17 H 14 N 4 O 3 S(C-M)IVxxviNS H C 19 H 15 N 5 O 2 S 2(C-M)155-160 3269(γ NH ),2909(γ C-H ),1672(γ CONH ),1048(γ S-O ),804(γ C-S )175-177 3059(γ NH ),1676(γ CONH ),1052(γ S-O ),741(γ C-S ).110-112 3351(γ NH ),3076(γ C-H ),1681(γ CONH ),1029(γ S-O ),776(γ C-S ).140-143 3345(γ NH ),3030(γ C-H ),1685(γ CONH ),1040(γ S-O ),768(γ C-S )408, 392,380, 363,245, 180-- ---- ---- ----98