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Table 1 Physical properties, structural data, and elemental analysis for the synthesized compounds

From: Some novel peptides containing a modified pyrazolopyrimidine moiety: design, synthesis, and in vitro antibacterial screening

Compound no

mp (°C)

yield (%)

Molecular formula

MW (g/mol)

Elemental analysis: Found (Calculated)

C

H

N

4

270–272

88

C15H14N4O3

298.3

60.40 (60.22)

4.73 (4.55)

18.78 (18.66)

5

 > 300

95

C13H12N6O2

284.28

54.93 (54.76)

4.25 (4.13)

29.56 (29.44)

10

190–192

80

C24H23N5O4

445.48

64.71 (64.61)

5.20 (5.07)

15.72 (15.65)

11

179–181

90

C22H21N7O3

431.46

61.24 (61.12)

4.91 (4.83)

22.73 (22.66)

13

170–172

75

C26H26N6O5

502.53

62.14 (62.03)

5.21 (5.13)

16.72 (16.61)

14

190–192

77

C30H34N6O5

558.64

64.5 (64.37)

6.13 (6.03)

15.04 (14.91)

15

 > 300

88

C28H32N8O4

544.62

61.75 (61.59)

5.92 (5.81)

20.58 (20.41)

17

255–257

80

C32H37N7O6

615.69

62.43 (62.33)

6.06 (5.90)

15.92 (15.8)

  1. Mp: melting point, MW: molecular weight, C: Carbon, H: Hydrogen, N: Nitrogen