Environmental Engineering Reference
In-Depth Information
Dibromoalkane
Sodium azide
Ethanol (95%)
Water
Container
Heat and reflux
Mixture
Aqueous
layer
Oil layer
Extraction
liquid A
Aqueous
layer
Aqueous
layer
Extraction
liquid B
Combined
aqueous layer
Aqueous
layer
Extraction
liquid C
Combination of extraction liquid A, B, and C
Diethyl ether at
reduced pressure
Drying
Product
Fig. 6.1 synthesis and preparation processes of 1,3-diazidopropane
Table 6.5 Reaction time versus yield of 1,3-diazidopropane at 30
°
C
Project
1
2
3
4
5
6
7
8
9
10
Temperature
30
30
30
30
30
30
30
30
30
30
Time (h)
5
10
15
20
25
30
40
50
60
100
Yield (%)
10
11.2
11.8
16
17.2
18.9
22
24
25
25.3
Table 6.6 Reaction temperature versus yield of 1,3-diazidopropane at 30
°
C
Project
1
2
3
4
5
6
7
8
9
10
Time (h)
4
4
4
4
4
4
4
4
4
4
Temperature
40
45
50
55
60
65
70
75
80
85
Yield (%)
23.2
24.3
27.6
31.3
47.8
68.8
79.5
81.3
88.6
88.7
