Reference of 114474-28-1, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 114474-28-1 name is 4-(1H-Pyrazol-4-yl)aniline, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.
[0255] A mixture of 2,4-dichloropyrido[3,4-d]pyrimidine (250 mg, 1.25 mmol), 4-(lH- pyrazol-4-yl)aniline (199, 1.25 mmol), and iPr2NEt (0.44 mL, 2.50 mmol) in DMF (2.5 mL) was heated at 100 C for 5h, cooled to rt, and diluted with water. The precipitate formed was collected by filtration and washed with water and dried in vacuo to provide the title compound (400 mg, 99%). MS (ES+) m/e 323 (M+H) +.
At the same time, in my other blogs, there are other synthetic methods of this type of compound, 4-(1H-Pyrazol-4-yl)aniline, and friends who are interested can also refer to it.
Reference:
Patent; KADMON CORPORATION, LLC; OLSZEWSKI, Kellen; KIM, Ji-In; POYUROVSKY, Masha; LIU, Kevin; BARSOTTI, Anthony; MORRIS, Koi; (344 pag.)WO2016/210330; (2016); A1;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics