In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 330786-24-8, name is 3-(4-Phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine, the common compound, a new synthetic route is introduced below. Computed Properties of C17H13N5O
1L three bottles to join4-amino-3- (4-phenoxyphenyl) -1H-pyrazolo [3,4-d] pyrimidine 20 g (66 mmol)S-1-tert-butoxycarbonyl-3-hydroxypiperidine (26.6 g, 132 mmol); triphenylphosphine (51.9 g, 198 mmol) was added to dry tetrahydrofuran (400 mL) and cooled to 5-10 C.Under nitrogen, 40 g (198 mmol) of diisopropyl azodicarboxylate was slowly added dropwise to the flask and the reaction was carried out at 30 C for 12 hours. The reaction solution was cooled to 0 to 10 C, and 20 g of 36% hydrochloric acid was added dropwise(198 mmol), and the temperature was raised to 40 C for 1 hour.Water was added, stirred, extracted three times with dichloromethane, and the aqueous phase was collected and washed with hydrogenSodium hydroxide solution to adjust the water phase into alkaline (pH> 10), precipitate solid, filter, collect solid, blast 50 baking 12 hours(4-phenoxyphenyl) -1- (piperidin-3-yl) -1H-pyrazolo (3,4-d) pyrimidin-4-amine (V) 22.4 g, molar yield 87.9%. (HPLC purity 99.6%; optical purity ?99.8%).
The synthetic route of 330786-24-8 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; Biocompounds Pharmaceutical Inc.; Yang, Shiqiong; Li, Qian; Kang, Litao; (14 pag.)CN106008526; (2016); A;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia