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18107-03-4

PYRAZINE-2-CARBOXIMIDOHYDRAZIDE synthesis

2synthesis methods
74617-55-3 Synthesis
PYRAZINE-2-CARBOXIMIDIC ACID METHYLESTER

74617-55-3
20 suppliers
$60.00/10mg

-

Yield:18107-03-4 66%

Reaction Conditions:

with hydrazine hydrazine hydrate in ethanol; for 0.25 h;Reflux;

Steps:

3.2.2. Synthesis of Pyrazine-2-Carbohydrazonamide

First, 1.37 g (10 mmol) of the carbimidate was suspended in 5 mL of EtOH, and 1 mLof (32 mmol) 80% hydrazine hydrate was added. The mixture was refluxed for 15 min and then cooled. The carbohydrazonamide was isolated by filtration. Thus, 0.905 g (66%) ofthe product was obtained. Carbohydrazonamide was recrystallized from ethanol. Analytical data were in accordance with the literature [31,32].

References:

Climova, Alina;Pivovarova, Ekaterina;Rogalewicz, Bart?omiej;Raducka, Anita;Szczesio, Ma?gorzata;Korona-G?owniak, Izabela;Korga-Plewko, Agnieszka;Iwan, Magdalena;Gobis, Katarzyna;Czylkowska, Agnieszka [Molecules,2022,vol. 27,# 11,art. no. 3467]