Table 2. Substrate Scope of Pyrazolyl Thioureas and Carbothioamides^a.

^aReaction condition: 3aa–3ag (Method A); 1.0 equiv of pyrazole derivative and 1.0 equiv of p-substituted isocyanato/isothiocyanato benzene derivative, 1.0 equiv of NaH in dry THF stirred at room temperature overnight under Ar. 3ba–3bo (Method B); 1.0 equiv of pyrazole derivative and 1.0 equiv of p-substituted isothiocyanato benzene derivative in DCM refluxed overnight or stirred overnight at room temperature under Ar gas. 3ca–3ch (Method C); 1.0 equiv of pyrazole derivative and 1.0 equiv of p-substituted isothiocyanato benzene derivative, 1.0 equiv of K₂CO₃ in distilled DMF stirred at room temperature overnight under Ar gas.