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CAS No. : | 1062174-44-0 | MDL No. : | MFCD16995801 |
Formula : | C14H20BNO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | ZYOHYGQNRQMVMG-UHFFFAOYSA-N |
M.W : | 245.13 | Pubchem ID : | 56776842 |
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 |
---|---|---|
87% | Stage #1: With trifluoroacetic acid In dichloromethane at 20℃; for 2 h; |
Ste 3: 5-(4,4,5,5-tetramethyl-l,3,2-dioxaborolan-2-yl)indolineTo the solution of tert-butyl 5-(4,4,5,5-tetramethyl-l,3,2- dioxaborolan-2-yl)indoline-l-carboxylate (120 mg, 0.35 mmol) in CH2CI2 (5 mL) was added 2,2,2-trifluoroacetic acid (1 mL) and the resulting mixture was stirred at room temperature for 2 hours. The mixture was neutralized to pH = 8 with saturated aqueous NaHC03 and extracted with CH2CI2. The combined extracts were washed with brine, dried and concentrated in vacuo to afford the desired product (74 mg, 87percent).1H NMR (CDC13): δ 7.56 (1H, s), 7.50 (1H, d, / = 8.0 Hz), 6.60 (1H, d, / = 8.0 Hz), 3.57 (2H, t, / = 8.8 Hz), 3.02 (2H, t, / = 8.8 Hz), 1.32 (12H, s). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
28% | With potassium acetate In dichloromethane; dimethyl sulfoxide at 80℃; | Example 46; 6-(2,3-Dihydro-1H-indol-5-yl)-4-morpholin-4-yl-1-(1-pyridin-3-ylmethyl-piperidin-4-yl)-1H-pyrazolo[3,4-d]pyrimidine (Scheme 36)1 mmol (198 mg) 5-bromoindoline, 1.5 mmol (381 mg) bispinacolatodiboron, 0.1 mmol (73 mg) Pd(dppf)Cl2.CH2Cl2 and 3 mmol (296 mg) KOAc are suspended in DMSO and heated at 80 C overnight. The mixture is diluted with EtOAc, filtered over Celite and concentrated. Flash chromatography (5-20percent EtOAc in hexanes) gave 69 mg (28percent) of the boronate. This was added to a solution of 50 mg 6-Chloro-4-morpholin-4-yl-1-(1-pyridin-3-ylmethyl-piperidin-4-yl)-1H-pyrazolo[3,4-d]pyrimidine in 2 mL DME and 250 uL of a 2M Na2CO3 solution. 10 mol percent Pd(PP3)4 was added and the mixture was stirred at 95C overnight. The solvents were removed and the product was purified by HPLC (TFA buffers). |
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