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ChemicalBook CAS DataBase List 4-(2-CHLOROPHENYL)-3-THIOSEMICARBAZIDE

4-(2-CHLOROPHENYL)-3-THIOSEMICARBAZIDE synthesis

4synthesis methods
-

Yield:42135-75-1 89%

Reaction Conditions:

with hydrazine hydrate in isopropyl alcohol at 20; for 3 h;Inert atmosphere;

Steps:

4.2. General procedure for the synthesis of thiosemicarbazidederivatives (1-30)

General procedure: To a stirred solution of hydrazine hydrate (85%, 2.4 mmol) in 20 mL of isopropanol, appropriately substituted isothiocyanate(2.0 mmol) was added at room temperature. Precipitate was formed immediately. Stirring was continued for 3 h. Then the mixture was filtered and the precipitate was washed with isopropanol three times to give the desired product.

References:

Serra, Silvia;Moineaux, Laurence;Vancraeynest, Christelle;Masereel, Bernard;Wouters, Johan;Pochet, Lionel;Frédérick, Rapha?l [European Journal of Medicinal Chemistry,2014,vol. 82,p. 96 - 105]