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CAS No. : | 3160-40-5 | MDL No. : | MFCD00018790 |
Formula : | C10H9ClO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | UUKRKWJGNHNTRG-NSCUHMNNSA-N |
M.W : | 180.63 | Pubchem ID : | 736572 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P280-P301+P312-P302+P352-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
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 |
---|---|---|
75% | With ammonium acetate; In ethanol; at 80℃; for 4h;Microwave irradiation; | General procedure: To a solution of the dinitropyridone 1 (50 mg, 0.25 mmol) in ethanol (10 mL), 4-phenyl-3-buten-2-one (4a) (36.5 mg, 0.25 mmol) and NH4OAc (578 mg, 7.5 mmol) were added, and the resultant mixture was heated at 65 C for 24 h. After removal of the solvent, the residue was washed with benzene (3 × 10 mL) to remove unreacted ketone 4a and treated with column chromatography on silica gel (eluent: hexane/ethyl acetate =95/5) to afford 5-nitro-2-(2-phenylethenyl)pyridine (5a) (41 mg, 0.18 mmol, 72%) as a yellow powder. The reactions of the dinitropyridone 1 with other ketones 4b-f or 10a-c were performed in a similar way. |
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