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CAS No. : | 31680-07-6 | MDL No. : | MFCD00017011 |
Formula : | C8H7NO3 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | KHWGAWBXQOKXIJ-UHFFFAOYSA-N |
M.W : | 165.15 | Pubchem ID : | 1798998 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
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 |
---|---|---|
14.1% | With sodium hydroxide; In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; dichloromethane; water; | Step 1 Preparation of (Z)-3-(3-nitro-4-methylphenyl)-2-(3,4,5-trimethoxyphenyl)-prop-2-ene-nitrile 5.0 g of 3-nitro-4-methylbenzaldehyde, 6.27 g of <strong>[13338-63-1]3,4,5-trimethoxyphenylacetonitrile</strong>, 1.44 g of sodium hydroxide and 500 mg of trioctylmethylammonium chloride were dissolved in 25 ml of water and 500 ml of dichloromethane. The mixture was stirred vigorously for 3 hours at room temperature. The ice water was added to the mixture and the mixture was extracted with dichloromethane three times and dried over anhydrous sodium sulfate. The organic layer was concentrated and the residue was purified by silica gel column chromatography (dichloromethane) to give 1.5 g of the intended compound. The yield was 14.1%. 1 H-NMR(CDCl3): 8.35 (1H, J=1.5), 8.18 (1H, dd, J=1.5, 8.1), 7.47 (1H, d, J=8.1), 7.44 (1H, s), 6.88 (2H, s), 3.95 (6H, s), 3.90 (3H, s), 2.67 (3H, s); mass spectrum (m/z): 354 (M+); melting point 162-163 C. |