. Anal, Found: C, 59.61; H, 6.90; N, 15.19. 1 H NMR (DMSO-d 6 ) d (ppm): 1.21 (s, 1H, pp.35-37

. Arylidene, 34 or 35 (10 mmol) and primary or secondary amine (40 mmol) and MeOH (30 mL) were mixed in flask. The mixture was refluxed for 3 h. The solvent was evaporated until dry residue was obtained. The residue was purified by crystallization with methanol. chlorobenzylidene)-3-(oxiran-2-ylmethyl)imidazolidine-2,4-dione 32 and isopropylamine were used to give white crystals of 11. 48%, pp.184-186

1. Qu, C. , C. , and C. , R f (IV): 0.26. Anal. Calcd for C 16 H 20 N 3 O 3 Br: C, 50.26; H, 5.27; N, 10.92. Found: C, 49.86; H, 5.41; N, 10.43. 1 H NMR for hydrochloride of 13 (DMSO) d (ppm): 1.19 (d, J = 3.90 Hz, 3H, CH 3, 1H, CHNH), 3.40?3.55 (m, 2H, NCH 2 )H), 8.40 (s, 1H, NH), 8.64 (s, 1H, NH + ), 10.87 (s, 1H, N1H). IR KBr, pp.180-182

. Anal, (Z)-5-(4-chlorobenzylidene)-3-(2-hydroxy-3-(4-(2- 12H, d, J = 9.00 Hz, 2H, Ar-3,5-H), 6.70 (s, 1H, CH@C), 7.60 (d, J = 8.40 Hz, 1H, Ar-6-H), 9.60 (s, 1H, N1H). IR KBr, pp.40-43

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