2-Imino-3-p-tolyl-5-(alkyl, aryl, heteroaryl)-1,3,4-oxadiazole
und deren Salze

Nr.

    R₅

Säure

Summenformel
Molmasse

Schmelzp.
° C

Ausbeute
%

Analyse (ber.: /gef.:)

1

Methyl

HCl

C₁₀H₁₂C1N₃O
225,68

199 - 204 Z

91 b)

18,62
18,42

2

Methyl

C₁₀H₁₁N₃O
189,22

Öl

81 d)

63,48
63,25

5,86
5,98

22,21
21,78

3

Benzyl

HCl

C₁₆H₁₆ClN₃O
301,78

162 - 165 Z

39 b)

-

-

13,92
13,70

4

Benzyl

C₁₆H₁₅N₃O
265,32

108 - 110

99 d)

72,43
72,23

5,70
5,55

15,84
16,01

5

Carbäthoxy

HCl

C₁₂H₁₄C1N₃O₃
283,72

175 - 183 Z

28 b)

-

-

14,81
14,51

6

Carbäthoxy

C₁₂H₁₃N₃O₃
247,26

124 - 125

57 d)

58,29
58,01

5,30
5,65

16,99
16,52

7

Phenyl

HCl

C₁₅H₁₄C1N₃O
287,75

186 - 191 Z

37 a)
63 b)

-

-

14,60
14,42

8

Phenyl

C₁₅H₁₃N₃O
ber.: 251,29
gef.: 262,13

109 -110

99 d)

71,70
71,58

5,21
5,45

16,72
16,56

9

p-Nitrophenyl

HCl

C₁₅H₁₃C1N₄O₃
332,75

ab 195 Z

24 a)

-

-

16,84
16,99

10

p-Nitrophenyl

-

C₁₅H₁₂N₄O₃
296,29

160 - 163

84 d)

60,81
60,45

4,08
4,21

18,91
18,67

11

Furyl-(2)

HCl

C₁₃H₁₂C1N₃O₂
277,71

192 - 197 Z

31 b)

-

-

15,13
14,85

12

Furyl-(2)

-

C₁₃H₁₁N₃O₂
241,25

128 - 130

99 d)

64,72
64,43

4,60
4,95

17,42
17,03