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CAS No. : | 1022150-11-3 | MDL No. : | MFCD28167899 |
Formula : | C27H30N6O3 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | NTSAEGNFPKKRLX-LJQANCHMSA-N |
M.W : | 486.57 | Pubchem ID : | 59799012 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | Intermediate 1 (5g) was dissolved in dry DMF (50 mL) and potassium carbonate (8.8 g) was added. The suspension was stirred at ambient temperature for 2 h. After dropwise addition of Intermediate 2 (9 g) dissolved in DMF (10 mL) the reaction mixture was heated at 80°C for 14 h. The organic layer was separated and the water layer extracted with EtOAc (3x20 mL). The organic layers were combined and dried over Na2SC>4. Solvent evaporation at reduced pressure and recrystallization result in 6.3g (80percent) tert-butyl-(3R)-3-[4-amino-3-(4-phenoxyphenyl)pyrazolo [3,4-d] pyrimidin- 1 -yl]piperidine - 1 -carboxylate. | |
70% | With dmap; caesium carbonate; In N,N-dimethyl-formamide; at 90℃; for 8h; | 3-(4-phenoxyphenyl) lH-pyrazolo [3,4-d] pyrimidin-4-amine (1.14g, 3.76mmol)was dissolved DMF (30mL) in, and then the reaction solution was added (S)-tert-butyl 3-((methylsulfonyl) oxy) piperidine-1-carboxylate (4.2g, 15.04mmol), cesium carbonate(0.64mL, 8.21 mmol), 4- dimethylaminopyridine pyridine (3.67g, 11.28mmol). Was stirredat 90 deg.] C 8h, the reaction was completed, distilled under reduced pressure of DMF,and extracted with dichloromethane (150mL × 3), brine (60mL), dried over anhydroussodium sulfate, the solvent was distilled off under reduced pressure, the crude productwas silica gel column Analysis of separation and purification (methylene chloride /methanol (V / V) = 40/1), to give the product (1.28g, 70percent). |
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