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

Nr.

R 5

Säure

Summenformel
Molmasse

Schmelzp.
°C

Ausbeute
%

Analyse  (ber.: / gef.:)

1

Methyl

HCl

C₁₀H₁₂C1N₃O
225,68

182-185 Z

91 b)

53,22
53,17

5,36
5,41

18,62
18,47

17,74
17,92

2

Methyl

-

C₁₀H₁₁N₃O
189,22

Öl

53 d)

63,48
63,12

5,86
5,99

22,21
21,98

3

Carbäthoxy

HCl

C₁₂H₁₄C1N₃O₃
283,72

149 -154 Z

30 b)

-

-

14,81
14,65

12,50
13,03

4

Carbäthoxy

-

C₁₂H₁₃N₃O₃
247,26

66 - 68

92 d)

58,29
58,01

5,30
5,47

16,99
16,58

-

5

Benzyl

HCl

C₁₆H₁₆C1N₃O
301,78

158 - 164

33 b)

-

-

13,92
13,85

11,75
11,95

6

Benzyl

-

C₁₆H₁₅N₃O
265,32

Öl

91 d)

72,43
72,11

5,70
5,99

15,84
15,45

-

7

Phenyl

HCl

C₁₅H₁₄ClN₃O
287,75

168 - 172 Z

51 a)
78 b)

-

-

14,60
14,71

12,32
12,16

8

Phenyl

-

C₁₅H₁₃N₃O
ber.: 251,29
gef.: 253,37

90 - 91

87 d)

71,70
71,69

5,61
5,45

16,72
16,59

-

9

p-Chlorphenyl

HCl

C₁₅H₁₃C₁₂N₃O
321,19

180 - 184

53 a)

-

-

13,08
13,15

11,04
10.86

10

p-Chlorphenyl

-

C₁₅H₁₂C1N₃O
ber.: 285,73
gef.: 290,51

121 - 122

92 d)

63,50
63,55

4,23
4,37

14,70
14,62

-

11

o-Nitrophenyl

HCl

C₁₅H₁₃C1N₄O₃
332,75

178 - 185 Z

55 a)

-

-

16,84
16,93

10,65
10,55

12

o-Nitrophenyl

-

C₁₅H₁₂N₃O₃
296,29

Öl

88 d)

60,81
61,15

4,08
4,21

18,91
18,54

-

13

m-Nitrophenyl

HCl

C₁₅H₁₃C1N₃O₃
332,75

173 - 176 Z

48 a)

-

-

16,84
16,52

10,65
10,81

14

m-Nitrophenyl

-

C₁₅H₁₂N₃O₃
296,29

145 - 147

93 d)

60,81
60,70

4,08
4,12

18,91
18,72

-

15

p-Nitrophenyl

HCl

C₁₅H₁₃C1N₃O₃
332,75

186 - 190 Z

37 a)

-

-

16,84
16,75

10,65
10,78

16

p-Nitrophenyl

C₁₅H₁₂N₃O₃
296,29

147 - 149

97 d)

60,81
60,75

4,08
3,98

18,91
18,89

-

17

p-Carbomethoxy-
phenyl

HCl

C₁₇H₁₆C1N₃O₃
345,79

178 -1832

65 a)
78 b)

-

-

12,15
12,28

10,25
10,35

18

p-Carbomethoxy-
phenyl

-

C₁₇H₁₅N₃O₃
309,33

152 - 154

59 d)

66,01
66,11

4,89
4,79

13,64
13,32

 -

19

Furyl-(2)

HCl

C₁₃H₁₂C1N₃O₂
277,71

168 - 172 Z

70 b)

-

-

15,13
14,92

12,77
12,39

20

Furyl-(2)

C₁₃H₁₁N₃O₂
241,25

Öl

73 d)

64,72
64,38

4,60
4,82

17,42
17,31