中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 4-cyano-1,5-diphenyl-1H-pyrazole-3-carboxylic acid ethyl ester | 63514-89-6 | C19H15N3O2 | 317.347 |
New hydrazonoyl bromides reacted with several C-nucleophiles to give the corresponding bipyrazoles. Treatment of 3-cyanoacetylpyrazole derivatives with phenyl isothiocyanate in potassium hydroxide followed by hydrazonoyl bromides gave the corresponding pyrazolyl-1,3,4-thiadiazoles.