4-ETHYL-3-THIOSEMICARBAZIDE synthesis
- Product Name:4-ETHYL-3-THIOSEMICARBAZIDE
- CAS Number:13431-34-0
- Molecular formula:C3H9N3S
- Molecular Weight:119.19
542-85-8
207 suppliers
$45.00/25mL
13431-34-0
45 suppliers
$39.00/1 g
Yield:13431-34-0 45%
Reaction Conditions:
with hydrazine hydrate in methanol at 20; for 3 h;Cooling with ice;
Steps:
2.2
(2) Under ice bath,toEthyl isothiocyanate(1.378 g, 15.8 mmol)Methanol (100 mL)85% hydrazine hydrate (0.931 g, 15.8 mmol) was slowly added dropwise to the solution,About 15min addition is completed,Continue stirring at room temperature 3h.The solvent was removed under reduced pressure, pure crystalline with methanol,Got itTo4-ethyl-3-thiosemicarbazide(0.856 g, white solid, 45%).
References:
Peking University;Lai Luhua;Liu Ying;Wang Qian;Liu Pei CN106565643, 2017, A Location in patent:Paragraph 0055; 0058
75-15-0
251 suppliers
$40.00/100 g
75-04-7
396 suppliers
$10.00/20mg
13431-34-0
45 suppliers
$39.00/1 g
542-85-8
207 suppliers
$45.00/25mL
7803-57-8
4 suppliers
$20.10/50g
13431-34-0
45 suppliers
$39.00/1 g
