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ChemicalBook CAS DataBase List 4-(1-NAPHTHYL)-3-THIOSEMICARBAZIDE
42135-78-4

4-(1-NAPHTHYL)-3-THIOSEMICARBAZIDE synthesis

7synthesis methods
-

Yield:42135-78-4 98%

Reaction Conditions:

with hydrazine hydrate monohydrate in diethyl ether at 20; for 0.5 h;

Steps:

4-(1-naphthyl)-3-thiosemicarbazide, NfTs.

To a solution of 2.51 g(13.6 mmol) of 1-naphthylisothiocyanate in 20 mL of diethyl ether wasadded 1.0 mL (20.6 mmol) of hydrazine monohydrate. The mixture wasstirred for 30 min at room temperature. The white solid was filtered off,washed thoroughly with diethyl ether and vacuum-dried (2.88 g, 98%).δH(300 MHz, DMSO-d6, Me4Si) 9.23 (1H, s, H6A), 7.99-7.51 (7H, m, H6-H13), 7.49 (1H, s, H5), 3.35 (2H, s, NH2).

References:

González-García, Cristina;García-Pascual, Cristina;Burón, Rodrigo;Calatayud, David G.;Perles, Josefina;Mendiola, M. Antonia;López-Torres, Elena [Polyhedron,2022,vol. 223,art. no. 115945]

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