5-(thiophen-2-yl)-1H-pyrazole synthesis
- Product Name:5-(thiophen-2-yl)-1H-pyrazole
- CAS Number:219863-71-5
- Molecular formula:C7H6N2S
- Molecular Weight:150.2009
19084-26-5
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219863-71-5
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Yield:219863-71-5 87%
Reaction Conditions:
Stage #1: 4-(2-thienyl)pyrimidinewith trifluoromethylsulfonic anhydride in 1,4-dioxane at 23;Inert atmosphere;Sealed tube;Schlenk technique;
Stage #2: with hydrazine in 1,4-dioxane at 23 - 35;Inert atmosphere;Sealed tube;Schlenk technique;
References:
Bartholomew, G. Logan;Carpaneto, Filippo;Sarpong, Richmond [Journal of the American Chemical Society,2022,vol. 144,# 48,p. 22309 - 22315] Location in patent:supporting information Bartholomew, G. Logan;Carpaneto, Filippo;Sarpong, Richmond [Journal of the American Chemical Society,2023,vol. 145,# 2,p. 1472 - 1472] Location in patent:supporting information
88-15-3
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219863-71-5
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$118.00/250mg
34772-98-0
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219863-71-5
14 suppliers
$118.00/250mg
34772-98-0
36 suppliers
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219863-71-5
14 suppliers
$118.00/250mg
98-03-3
531 suppliers
$5.00/25g
219863-71-5
14 suppliers
$118.00/250mg