Structure of 15980-22-0
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CAS No. : | 15980-22-0 |
Formula : | C8H11NO |
M.W : | 137.18 |
SMILES Code : | OC1=C(C)C=C(N)C=C1C |
MDL No. : | MFCD10039560 |
InChI Key : | OMVFXCQLSCPJNR-UHFFFAOYSA-N |
Pubchem ID : | 82668 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 |
* 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 |
---|---|---|
With sodium hydrogencarbonate; In 1,4-dioxane; methanol; chloroform; | B. Preparation of 3-butyryl-4-(3,5-dimethyl-4-hydroxyphenylamino)-8-methoxyquinoline 2,6-Dimethyl-4-aminophenol (0.78 g, 5.69 mmol) and 3-butyryl-4-chloro-8-methoxyquinoline (1.0 g, 3.79 mmol) in dioxan (35 ml) were refluxed under nitrogen for 2.5 hours. The solvent was evaporated, and the residue treated with saturated sodium bicarbonate solution and chloroform. The resulting solid was filtered, washed with chloroform and water, boiled in methanol and filtered again to give the title compound (0.84 g) m.p. 287-9 (dec). Found; C 71.01, H 6.49, N 7.43. Requires; C 71.00, H 6.50, N 7.50. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With pyridine; at 0 - 20℃; for 5h;Inert atmosphere; | General procedure: The para-amino-phenol (1.06 mmol) was dissolved in dry pyridine (2 mL) and cooled to 0 C. para-Toluenesulfonyl chloride (0.244 g, 1.28 mmol) was added in small portions; the mixture was warmed to room temperature, and stirred under argon for 5 h. The reaction mixture was diluted with Et2O and washed successively with water, 5% HCl (aq), water, and brine. The organic layer wasdried over anhydrous MgSO4, filtered, and concentrated to yield the crude sulfonamide. The product was purified by silica gel column chromatography using hexanes/EtOAc (9.5:0.5) as eluent. Compound 6a: mp: 138e139.2 C (lit.38 mp 143e145 C). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
To a suspension of 34.5 g of morpholin-4-yl acetic acid hydrochloride from Example 1a) (MW = 181.6; 190 mmol) in 500 ml of dichloro- methane were added 42 g of 4-dimethylaminopyridine (MW = 122.17; 344 mmol) and, after a few minutes, 71 g of N.N'-dicyclohexylcarbo- diimide (MW = 206.33, 344 mmol).23.3 g of <strong>[15980-22-0]4-amino-2,6-dimethylphenol</strong> from Example 1b) (MW = 137.18; 170 mmol) were added to the stirred mixture under a <n="8"/>nitrogen atmosphere and at room temperature.The mixture was stirred for 24 hours, after which the solid formed was removed by filtration. The solution was then concentrated under reduced pressure. The residue was taken up with a hexane/ethyl acetate 1 :1 mixture and filtered again through a layer of silica.The resulting solution was concentrated under reduced pressure and the residue was purified by flash chromatography on silica, using a chloroform/methanol 9:1 mixture as eluent.The solid residue thus obtained was N-(4-hydroxy-3,5-dimethyl- phenyl)-2-morpholin-4-yl acetamide, which was crystallized twice from ethyl acetate and then used in the subsequent reactions without further purification. |
A289955 [10486-48-3]
4-Amino-2,6-dimethylphenol hydrochloride
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A289955 [10486-48-3]
4-Amino-2,6-dimethylphenol hydrochloride
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