(2-CarbaMoyl-pyrrol-1-yl)-carbaMic acid ethyl ester synthesis
- Product Name:(2-CarbaMoyl-pyrrol-1-yl)-carbaMic acid ethyl ester
- CAS Number:1379337-32-2
- Molecular formula:C8H11N3O3
- Molecular Weight:197.19
541-41-3
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Yield:1379337-32-2 98%
Reaction Conditions:
with pyridine in 1,4-dioxane at 20;Reflux;
Steps:
3 synthesis of 2-arboxamide pyrrolyl-1-ethyl carbamate (V)
A solution of 4.0 g (0.032 mol) of N-amino-lH-pyrrole-2-carboxamide (IV)Was added to 100 ml of a three-necked flask, 100 ml of 1,4-dioxane was added, 0.5 ml of a catalytic amount of pyridine was added dropwise, and 5.2 g (0.048 mol) of ethyl chloroformate was added dropwise at room temperature,After the completion of the drop after 3-4 hours,Decompression recovery dissolved,After stirring for 10 minutes, 10 ml of water was added and the dried solid product (6.2 g),Yield 98%.
References:
CN104876935,2017,B Location in patent:Paragraph 0066; 0071; 0072
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