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CAS No. : | 38256-93-8 | MDL No. : | MFCD00144829 |
Formula : | C4H11NO | Boiling Point : | - |
Linear Structure Formula : | CH3NHCH2CH2OCH3 | InChI Key : | KOHBEDRJXKOYHL-UHFFFAOYSA-N |
M.W : | 89.14 | Pubchem ID : | 300977 |
Synonyms : |
|
Signal Word: | Danger | Class: | 3,8 |
Precautionary Statements: | P501-P240-P210-P233-P243-P241-P242-P264-P280-P370+P378-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338-P310-P403+P235-P405 | UN#: | 2924 |
Hazard Statements: | H314-H225 | Packing Group: | Ⅱ |
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 |
---|---|---|
Example 1-7 Synthesis of the present aldehyde derivative [Compound No. (o)] To a solution of 400 mg of 5-formylthiophene-2-carboxylic acid in dimethylformamide were added 540 mg of 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride and 410 mul of triethylamine, and the mixture was stirred for 30 minutes under ice-cooling. To this reaction solution was added 300 mul of N-(2-methoxyethyl)methylamine, and the mixture was stirred at room temperature. After 10percent hydrochloric acid was added thereto, the mixture was extracted with ethyl acetate. An organic layer was washed with an aqueous sodium bicarbonate solution, dried over anhydrous sodium sulfate, and concentrated under reduced under reduced pressure. The resulting residue was washed with ethyl acetate to obtain 221 mg of 5-formylthiophene-2-carboxylic acid N-(2-methoxyethyl)methylamide [Compound No. (o)]. 1H-NMR (300MHz, CDCl3) delta (ppm): 3.22 (broad s, 3H), 3.42 (s, 3H), 3.55~3.75 (4H), 7.45 (d, 1H, J=3.6Hz), 7.69 (d, 1H, J=3.9Hz), 9.95 (s, 1H). |
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