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Chemical Structure| 56836-19-2 Chemical Structure| 56836-19-2

Structure of 56836-19-2

Chemical Structure| 56836-19-2

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Product Details of [ 56836-19-2 ]

CAS No. :56836-19-2
Formula : C8H9ClN2O2
M.W : 200.62
SMILES Code : O=C(O)C1=CC(N(C)C)=NC(Cl)=C1
MDL No. :MFCD11214889

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Application In Synthesis of [ 56836-19-2 ]

* 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.

  • Downstream synthetic route of [ 56836-19-2 ]

[ 56836-19-2 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 850568-54-6 ]
  • [ 56836-19-2 ]
  • [ 1370448-68-2 ]
YieldReaction ConditionsOperation in experiment
65% 2-Chloro-6-(dimethylamino)isonicotinic acid (450 mg, 2.24 mmol), 4-(tert- butoxycarbonyl)benzene boronic acid (648 mg, 2.92 mmol), 1 ,4-dioxane (7.5 mL) and sodium carbonate (713 mg, 6.73 mmol) dissolved in water (3.36 mL) were placed in a flask and the mixture bubbled with nitrogen while stirring for 10 min. Palladium(ll) acetate (20 mg, 0.09 mmol) and 2-dicyclohexylphosphino-2',6'- dimethoxybiphenyl (75 mg, 0.18 mmol) were then added together and the vessel flushed with nitrogen, sealed, and heated at 90 °C for 5 h. The mixture was then cooled to room temperature, diluted with ethyl acetate (50 mL), acidified to pH 2 with1 .5 N HCI and filtered through a pad of celite. The layers were separated and the aqueous portion extracted with ethyl acetate (2 x 50 mL). The combined organic portions were treated with anhydrous sodium sulfate and decolorizing charcoal and stirred for 30 min before filtering. The solution was concentrated to dryness and the residue purified by trituration with a mixture of methyl te/t-butyl ether (5 mL) and heptane (100 mL). The solids were collected by filtration and dried to give 2-(4-(tert- butoxycarbonyl)phenyl)-6-(dimethylamino)isonicotinic acid (502 mg, 65 percent) as a pale yellow powder, m/z: 343+ [M+H]; 341 - [M-H]; 1H NMR (400 MHz, CDCI3) delta ppm 8.12 - 8.21 (m, 2 H), 8.04 - 8.1 1 (m, 2 H), 7.67 (s, 1 H), 7.16 (s, 1 H), 3.23 (s, 6 H), 1 .64 (s, 9 H).
 

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