3,5-DIMETHYL-1H-PYRAZOLE-1-CARBOXAMIDIN& synthesis
- Product Name:3,5-DIMETHYL-1H-PYRAZOLE-1-CARBOXAMIDIN&
- CAS Number:40027-64-3
- Molecular formula:C6H11ClN4
- Molecular Weight:174.63
1937-19-5
224 suppliers
$5.00/100mg
123-54-6
570 suppliers
$10.00/25ml
40027-64-3
16 suppliers
$502.07/5MG
Yield:40027-64-3 30 g
Reaction Conditions:
in ethanol at 20 - 80; for 5 h;
Steps:
3,5-dimethyl -1H-pyrazole-1-carboxamidine hydrochloride preparation method is as follows:
Weighing aminoguandine carbonate (25g, 0.028mol) dissolved in 200 ml anhydrous ethanol, in a suspension, stir and fully dissolve the room temperature condition, and at the same time dropping acetylacetone (25g, 0.028mol), slowly increasing the temperature to 80 °C, reaction 5h. Concentrated to remove the solvent after the reaction, in order to-hexane recrystallization, shall be light brown crystal 3,5-dimethyl -1H-pyrazole-1-carboxamidine hydrochloride 30 g.
References:
CN105523997,2016,A Location in patent:Paragraph 0013; 0014; 0015
67-51-6
540 suppliers
$6.00/25g
420-04-2
341 suppliers
$15.00/25g
40027-64-3
16 suppliers
$502.07/5MG