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CAS No. : | 76320-88-2 | MDL No. : | MFCD02181148 |
Formula : | C8H7N3O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | NPNUZBBMRYRAPF-UHFFFAOYSA-N |
M.W : | 177.16 | Pubchem ID : | 1512661 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-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 |
---|---|---|
69% | With potassium carbonate; In DMF (N,N-dimethyl-formamide); at 20℃; for 86.5h; | To a stirred slurry of 1.00 g of Part A compound (5.64 mmol) in 10 mL of DMF at room temperature under argon was added 1.00 g (7.2 mmol) of potassium carbonate. After 30 min. 2.55 g (6.0 mmol) of [300.2] (prepared in Example 273 Part A(2)) was added and the reaction stirred for 86 h. The reaction mixture was quenched with 30 mL of water. The resulting solids were filtered, washed with water and dissolved in dichloromethane. The organic extract was washed with water, dried (MgSO4) and evaporated onto 10 g of silica gel. Purification by flash chromatography (5x25 cm column, 3:7 ethyl acetate/dichloromethane) gave title compound as a white solid, mp 187-189C, 2.03 g, 69%. |
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