Comp.

No.

M.P ˚C

Yield

%

Color

Mol. Formula

(Mol. Wt.)

Calcd. (Found)%

Absorption spectra in EtOH

C

H

N

λ_max (nm)

ε_max (M⁻¹ cm⁻¹)

1

125

78

Pale brown

C₂₃H₂₄IN₅O

(513)

53.81

53.82

4.71

4.70

13.64

13.66

350

1778

2a

129

60

Brown

C₂₈H₂₈I₂N₆O

(718)

46.81

46.80

3.93

3.95

11.70

11.71

365

1785

2b

135

58

Red

C₃₂H₃₀I₂N₆O

(768)

50.02

50.09

3.94

3.94

10.94

10.95

365

440

1795, 797

3a

140

75

Dark red

C₂₉H₃₀I₂N₆O

(732)

47.56

47.54

4.13

4.14

11.47

11.48

365

490

1667, 923

3b

145

82

Brown

C₁₉H₁₆N₆O₂

(360)

63.26

63.29

4.43

4.47

23.30

23.32

365

495

1789, 1100

4a

165

71

Brown

C₂₈H₂₅IN₆

(572)

58.75

58.73

4.40

4.41

14.68

14.69

470

1092

4b

190

66

Brown

C₃₂H₂₇IN₆

(622)

61.74

61.76

4.37

4.35

13.50

13.52

485

1397

5a

127

61

Red

C₂₁H₁₈N₆O₃S

(434)

58.00

58.09

4.14

4.15

19.33

19.30

460

698

5b

170

65

Reddish

C₂₁H₁₈ClN₅OS

(423)

59.446

59.445

4.24

4.27

16.51

16.55

498

1010

6a

155

74

Red

C₂₁H₁₈N₆O₃S

(434)

58.001

58.000

4.14

4.13

19.33

19.36

390, 520

2700, 2443

6b

150

59

Red

C₄₀H₃₇I₂N₇

(869)

55.25

55.25

4.29

4.30

11.28

11.30

480

670

6c

130

59

Pale brown

C₂₁H₁₇Cl₂N₅O

(426)

59.11

59.10

3.987

3.89

16.420

16.41

500

1780

6d

185

68

Brown

C₄₀H₃₉I₂N₇

(871)

55.12

55.14

4.51

4.5

11.25

11.23

475

612

6e

185

75

Red

C₄₄H₃₉I₂N₇

(919)

57.47

57.45

4.27

4.28

10.66

10.69

478

1593

6f

160

61

Red

C₄₄H₃₉I₂N₇

(919)

57.47

57.48

4.27

4.28

10.66

10.65

474

1012