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S. No. X Time ofMWIHeating(Min)VxviiiVxixVxxVxxiVxxiiOOSSSSSYield(%)M.P.Mol. formula(Solv. of crystn.)-CH 2 CH 2 Cl 40 81 166-168 C 15 H 13 ClN 2 OS(E-C)-CH 2 CH 2 Cl 60 86 200-202 C 10 H 11 ClN 2 OS(E-C)-CH 2 CH 2 Cl 45 90 268-270 C 14 H 11 ClN 2 OS(E-C)-CH 2 CH 2 Cl 70 72 250-252 C 12 H 13 ClN 2 O 3 S(M-C)-CH 2 CH 2 Cl 55 83 156-158 C 12 H 13 ClN 2 OS(D)IR (cm -1 )(KBr)2837(γ C-H ),1672(γ CONH ),762(γ C-Cl )2922(γ C-H ),1666(γ CONH ),758(γ C-Cl )2848(γ C-H ),1670(γ C=O ),748(γ C-Cl )2960(γ C-H ),1718(γ C=O )1667(γ CONH )2920(γ C-H ),1661(γ CONH )Mass(m/e)Part-IIResults and DiscussionNMR (δppm)(CDCl 3 )-- 2.40 (3H, s, CH 3 ),3.06 (2H, t, J = 7,CH 2 ), 3.87 (2H, t, J= 7, CH 2 ), 7.06(1H, s, CH), 7.15-7.45 (4H, m, Ar-H),12.99 (1H, s, NH)-- 2.38 (3H, s, CH 3 ),2.47 (3H, s, CH 3 ),3.19 (2H, t, CH 2, J= 7.5), 3.97 (2H, t,CH 2, J = 7.2), 12.34(1H, s, br, NH).-- 3.14 (2H, t, CH 2, J= 7.2), 4.02 (2H, t,CH 2, J = 7.5), 7.30-7.50 (6H, m, 5HAr-H and 1H at 6position), 12.40(1H, s, br, NH)-- 1.40 (3H, t, J = 7.3,CH 3 ), 2.55 ( 3H, s,CH 3 ), 2.94 (3H, s,CH 3 ), 4.36 (2H,quartlet, J = 7.1,CH 2 ); 10.95 (1H, s,NH)-- 1.77 (4H, s, 2 XCH 2 at 6 and 7),2.30 (3H, s, CH 3 at2), 2.70 (2H, s, CH 2at 5), 2.83 (2H, s,CH 2 at 8), 7.07 (br,s, 1H, NH at 3)328