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CAS No. : | 2107-70-2 | MDL No. : | MFCD00002774 |
Formula : | C11H14O4 | Boiling Point : | - |
Linear Structure Formula : | C6H3(OCH3)2CH2CH2COOH | InChI Key : | LHHKQWQTBCTDQM-UHFFFAOYSA-N |
M.W : | 210.23 | Pubchem ID : | 75019 |
Synonyms : |
|
Chemical Name : | 3-(3,4-Dimethoxyphenyl)propionic acid |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
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 |
---|---|---|
48% | With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 20℃; | N,N-dimethylformamide solution (2 ml) containing <strong>[16582-58-4]2-amino-6-iodobenzothiazole</strong> (100 mg, 0.362 mmol) and 3-(3,4-dimethoxyphenyl)propionic acid (91.4 mg, 0.435 mmol) was added with N,N-diisopropylethylamine (69.4 mul, 0.398 mmol) and O-(6-chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate (180 mg, 0.435 mmol) and stirred over night at room temperature. After completion of the reaction, the solution was diluted with ethyl acetate and washed with saturated sodium bicarbonate solution and saturated sodium chloride solution. The solution was dried over anhydrous sodium sulfate and the solvent was removed under reduced pressure. The residue was recrystallized with ethanol and 83 mg of 2-(3-(3,4-dimethoxyphenyl)propanamide)-6-iodobenzothiazole in a yield of 48%. 1H NMR (DMSO-d6): delta 12.42 (s, 1H), 8.37 (s, 1H), 7.72-7.69 (m, 1H), 7.52 (d, J=8.4 Hz, 1H), 6.85-6.83 (m, 2H), 6.75-6.72 (m, 1H), 3.71 (s, 3H), 3.69 (s, 3H), 2.90-2.76 (m, 4H). MS (ESI) Found; 469[M+H] |
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