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CAS No. : | 479630-08-5 | MDL No. : | MFCD04115569 |
Formula : | C15H25NO5 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | CWTULLANCDLMGK-UHFFFAOYSA-N |
M.W : | 299.36 | Pubchem ID : | 6618868 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
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 |
---|---|---|
169 mg | With potassium phosphate; at 180.0℃; for 0.25h;Microwave irradiation; | Example 45A Tert-butyl 4-(2-oxo-1,2-dihydropyrido[3',4':3,4]pyrazolo[1,5-a]pyrimidin-4-yl)piperidine-1-carboxylate Tert-butyl 4-(3-ethoxy-3-oxopropanoyl)piperidine-1-carboxylate (1.00 g, 3.34 mmol, 1.5 eq), <strong>[76006-17-2]1H-pyrazolo[3,4-c]pyridin-3-amine</strong> (299 mg, 2.27 mmol, 1 eq) and potassium phosphate (945 mg, 4.45 mmol, 2 eq) were suspended in 1-methoxy-2-propanol (10 mL) in a 20 mL microwave vial. The vial was capped and the mixture was heated in a microwave to 180 C. for 15 min After cooling to RT, the suspension was diluted with water (20 mL) and neutralized (pH 7) by the addition of 1N HCl. The precipitate was filtered, washed with water (10 mL) and dried for 16 h at 50 C. in vacuo to yield the title compound (169 mg, 75% purity, 16% of theory). LC-MS (Method 1B): Rt=0.73 min, MS (ESIPos): m/z=370 [M+H]+ |
With potassium phosphate; at 180.0℃; for 0.25h;Microwave irradiation; | Tert-butyl 4-(3-ethoxy-3-oxopropanoyl)piperidine-l-carboxylate (1.00 g, 3.34 mmol, 1.5 eq), 1H- pyrazolo[3,4-c]pyridin-3-amine (299 mg, 2.27 mmol, 1 eq) and potassium phosphate (945 mg, 4.45 mmol, 2 eq) were suspended in l-methoxy-2-propanol (10 mL) in a 20 mL microwave vial. The vial was capped and the mixture was heated in a microwave to 180C for 15 min. After cooling to RT, the suspension was diluted with water (20 mL) and neutralized (pH 7) by the addition of IN HCl. The precipitate was filterered, washed with water (10 mL) and dried for 16 h at 50C in vacuo to yield the title compound (169 mg, 75% purity, 16% of theory). LC-MS (Method IB): Rt = 0.73 min, MS (ESIPos): m/z = 370 [M+H]+ |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
132 mg | With potassium phosphate; at 180℃; for 0.25h;Microwave irradiation; | Tert-butyl 4-(3-ethoxy-3-oxopropanoyl)piperidine-l-carboxylate (1.0 g, ca. 2.77 mmol), 3- (trifluoromethyl)-lH-pyrazol-5 -amine (0.28 g, 1.85 mmol) and potassium phosphate (0.79 g, 3.70 mmol) were suspended in 1 -methoxy-2-propanol (10 ml) in a 20 ml microwave vial. The vial was capped and the mixture was heated in a microwave to 180C for 15 min. After cooling to RT, the solvent was evaporated and the residue was treated with water and ethyl acetate. After separation of the layers the aqueous phase was neutralized by addition of HQ 4N and extracted with ethyl acetate. The collected organic layers were dried over magnesium sulfate, filtered and evaporated. The crude product was purified by preparative HPLC (Method 1A). The combined product fractions were neutralized with a 33% ammonia solution and then acetonitrile was evaporated. The aqueous phase was extracted with ethyl acetate and the collected organic fractions were dried over sodium sulfate, filtered and evaporated under vacuo to yield the title compound (132 mg, 19% of theory). LC-MS (Method IB): Rt = 1.06 min, MS (ESIPos): m/z = 387 [M+H]+ |
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