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CAS No. : | 169206-67-1 | MDL No. : | MFCD11111226 |
Formula : | C13H22N2O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HNMWIKVFYHYBKX-UHFFFAOYSA-N |
M.W : | 254.33 | Pubchem ID : | 10015184 |
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: |
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* 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 |
---|---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; In 1,4-dioxane; at 120℃; for 0.2h;Inert atmosphere; Sealed tube; Microwave irradiation; | A microwave vial containing tert-butyl 3-oxo-2,8-diazaspiro[4.5]decane-8- carboxylate (INTERMEDIATE 15) (200 mg, 0.786 mmol), 5-bromobenzo[Y][l,2,5]oxadiazole (156 mg, 0.786 mmol), Pd2(dba)3 (144 mg, 0.157 mmol), Xantphos (182 mg, 0.315 mmol) and cesium carbonate (384 mg, 1.18 mmol) in dioxane (3.9 mL) was sealed and evacuated and purged with nitrogen before heating in microwave to 120C for 12 min. The reaction was cooled, partitioned between EtOAc (150 mL) and water (40 mL). The organic phase was washed with brine, dried over magnesium sulfate, filtered and concentrated to give the crude material, which was purified via MPLC (30-80% EtOAc/hexanes) to afford tert-butyl 2-(benzo[y][l,2,5]oxadiazol-5-yl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate. LC-MS (372, m/z): 373 [M+l]+. |
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