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CAS No. : | 19178-25-7 | MDL No. : | MFCD09999183 |
Formula : | C7H5N3O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 147.13 | Pubchem ID : | 135567106 |
Synonyms : |
|
TPSA :Topological Polar Surface Area | - | H-Bond Acceptor Count : | - |
XLogP3 : | - | H-Bond Donor Count : | - |
SP3 : | - | Rotatable Bond Count : | - |
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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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35% | at 160℃; for 0.5 h; Microwave irradiation | A Biotage microwave vial was charged with 3-aminoisonicotinic acid (691 mg, 5.0 mmol), formamidine acetate (573 mg, 5.5 mmol), and ethanol (10 mL). The reaction mixture was heated in the microwave at 160 °C for 30 min, diluted with H20 (20 mL), and cooled to 0 °C. The suspension was filtered and the solids were washed with cold H20 (10 mL) to provide quinazoline A2 (259 mg, 35percent) as a white solid: LC-MS (>98percent) m/z = 148.0[M+H], Rt= 0.604. |
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