Compound Formula Mol. weight Yield [%] M.p. [°C]
(TLC)Elemental analyses Calculated (found) C H N 1 C23 H19 N2 O2 Cl 390.60 75 194–5 0.48 70.70 4.87 7.18 (70.59) (4.91) (7.09) 2 C23 H19 N2 O2 Cl·1/2H2 O 399.60 53 191–3 0.52 70.01 4.87 7.04 (70.08) (4.80) (7.05) 3 C23 H19 N2 O2 Cl·2H2 O 426.64 49 207–9 0.64 64.78 4.46 6.57 (64.94) (4.40) (6.50) 4 C23 H19 N3 O4 401.14 61 188–190 0.76 68.30 4.74 10.47 (68.49) (4.85) (10.32) 5 C23 H19 N3 O4 ·1/2H2 O 410.66 43 232–4 0.60 67.32 4.88 10.24 (67.59) (5.07) (10.15) 6 C23 H19 N3 O4 ·H2 O 419.11 64 192–5 0.42 65.89 5.01 10.02 (65.56) (4.93) (9.96) 7 C23 H18 N2 O2 Cl2 ·1/2H2 O 434.31 41 190–2 0.58 63.74 4.39 6.47 (63.87) (4.40) (6.54) 8 C23 H18 N2 O2 Cl2 425.31 45 238–240 0.31 64.95 4.27 6.59 (64.96) (4.26) (6.57) 9 C23 H18 N2 O2 Cl2 425.31 62 208–10 0.43 64.95 4.27 6.59 (64.87) (4.35) (6.38) 10 C23 H18 N3 O4 Cl·1H2 O 453.88 49 190–2 0.65 60.86 4.44 9.26 (61.08) (4.73) (9.17) 11 C23 H18 N3 O4 Cl·1/2H2 O 444.63 56 201–4 0.53 62.13 4.31 9.45 (62.58) (4.65) (9.18) 12 C23 H18 N3 O4 Cl·1.5H2 O 462.56 39 215–17 0.43 59.74 4.55 9.09 (60.14) (4.83) (9.31) 13 C23 H18 N3 O4 Cl·1/2H2 O 444.63 35 209–11 0.55 62.16 4.27 9.45 (62.48) (4.13) (9.60) 14 C23 H18 N3 O4 Cl·1/2H2 O 444.63 67 260–2 0.7 62.16 4.27 9.45 (62.36) (4.47) (9.48) 15 C23 H18 N3 O4 Cl·1/2H2 O 444.63 66 208–10 0.43 62.16 4.27 9.45 (62.02) (4.16) (9.60) 16 C23 H18 N4 O6 446.41 53 228–31 0.69 61.88 4.06 12.55 (61.63) (4.21) (12.58) 17 C23 H18 N4 O6·1/2H2 O 455.41 65 263–5 0.38 60.66 4.17 12.30 (60.94) (4.22) (12.20) 18 C23 H18 N4 O6·2.5H2 O 491.43 73 245–8 0.10 56.21 4.72 11.40 (56.18) (4.71) (11.16)