![](/CAS/GIF/50877-42-4.gif)
1-Benzyl-4-iodo-1H-pyrazole synthesis
- Product Name:1-Benzyl-4-iodo-1H-pyrazole
- CAS Number:50877-42-4
- Molecular formula:C10H9IN2
- Molecular Weight:284.1
![4-Iodopyrazole](/CAS/GIF/3469-69-0.gif)
3469-69-0
386 suppliers
$5.00/1g
![Benzyl chloride](/CAS/GIF/100-44-7.gif)
100-44-7
630 suppliers
$13.50/250G
![1-Benzyl-4-iodo-1H-pyrazole](/CAS/GIF/50877-42-4.gif)
50877-42-4
135 suppliers
$9.00/100mg
Yield: 79%
Reaction Conditions:
with tetrabutylammomium bromide;potassium hydroxide at 20; for 48 h;
Steps:
5.2 Preparation of 1-benzyl-4-iodopyrazole
0.323 g of benzyl chloride was added dropwise to a solution of 57.0 g of 4-iodopyrazole, 20.0 g of potassium hydroxide and 2.9 g of TBAB in a solution at room temperature, After the dropwise addition, the mixture was stirred at about constant temperature for about 48 hours. The organic layer was washed three times with 40 ° C water and dried over magnesium sulfate to give 66.0 g of a yellow oil product with a GC purity of 97.0% and a yield of 79%.
References:
Dalian AllyChem Co.,Ltd(AllyChem);WANG, XIANXUE;ZHENG, PENG CN103601749, 2016, B Location in patent:Paragraph 0062-0063
![4-Iodopyrazole](/CAS/GIF/3469-69-0.gif)
3469-69-0
386 suppliers
$5.00/1g
![Benzyl bromide](/CAS/GIF/100-39-0.gif)
100-39-0
424 suppliers
$10.00/10 g
![1-Benzyl-4-iodo-1H-pyrazole](/CAS/GIF/50877-42-4.gif)
50877-42-4
135 suppliers
$9.00/100mg
![1-BENZYL-1H-PYRAZOLE](/CAS/GIF/10199-67-4.gif)
10199-67-4
73 suppliers
$65.00/500MG
![1-Benzyl-4-iodo-1H-pyrazole](/CAS/GIF/50877-42-4.gif)
50877-42-4
135 suppliers
$9.00/100mg
![4-Iodoimidazole](/CAS/GIF/71759-89-2.gif)
71759-89-2
403 suppliers
$6.00/1g
![Benzyl bromide](/CAS/GIF/100-39-0.gif)
100-39-0
424 suppliers
$10.00/10 g
![1-Benzyl-4-iodo-1H-pyrazole](/CAS/GIF/50877-42-4.gif)
50877-42-4
135 suppliers
$9.00/100mg
![4-Iodopyrazole](/CAS/GIF/3469-69-0.gif)
3469-69-0
386 suppliers
$5.00/1g
![Benzyl bromide](/CAS/GIF/100-39-0.gif)
100-39-0
424 suppliers
$10.00/10 g
![Sodium hydride](/CAS/GIF/7646-69-7.gif)
7646-69-7
346 suppliers
$20.00/50g
![1-BENZYL-1H-PYRAZOLE](/CAS/GIF/10199-67-4.gif)
10199-67-4
73 suppliers
$65.00/500MG
![1-Benzyl-4-iodo-1H-pyrazole](/CAS/GIF/50877-42-4.gif)
50877-42-4
135 suppliers
$9.00/100mg