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Chemical Structure| 1044872-57-2 Chemical Structure| 1044872-57-2

Structure of 1044872-57-2

Chemical Structure| 1044872-57-2

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Product Details of [ 1044872-57-2 ]

CAS No. :1044872-57-2
Formula : C7H6Cl2N2O
M.W : 205.04
SMILES Code : O=C(N)C1=C(Cl)C=C(Cl)C=C1N
MDL No. :MFCD17015602

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Application In Synthesis of [ 1044872-57-2 ]

* 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 [ 1044872-57-2 ]

[ 1044872-57-2 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 1039948-89-4 ]
  • [ 1044872-57-2 ]
  • [ 1044871-15-9 ]
YieldReaction ConditionsOperation in experiment
85% With toluene-4-sulfonic acid; sodium hydrogensulfite; In N,N-dimethyl acetamide; at 120℃; for 16.0h;Inert atmosphere; To a solution of 2-amino-4,6-dichloro-benzamide (1.54 g, 7.50 mmol) and <strong>[1039948-89-4]4-(2-hydroxy-ethoxy)-3,5-dimethyl-benzaldehyde</strong> (1.46 g, 7.50 mmol) in N,N-dimethylacetamide (15 mL) were added sodium hydrogen sulfite (58.5 wt %, 1.51 g, 8.25 mmol) and p-toluenesulfonicacid monohydrate (0.28 g, 1.50 mmol). The reaction mixture was stirred at 120 C. for 16 hours under nitrogen, and then cooled to room temperature. Solvent was evaporated under reduced pressure. Water (100 mL) was added. The separated solid was filtered, washed with water (50 mL), and dried under vacuum. Crude compound was further washed with ether and dried under vacuum to give 5,7-dichloro-2-[4-(2-hydroxy-ethoxy)-3,5-dimethylphenyl]-3H-quinazolin-4-one as a white solid. Yield: 2.42 g (85%)
85% With toluene-4-sulfonic acid; sodium hydrogensulfite; In N,N-dimethyl acetamide; at 120℃; for 16.0h;Inert atmosphere; To a solution of 2-amino-4,6-dichloro-benzamide (1.54 g, 7.50 mmol) and <strong>[1039948-89-4]4-(2-hydroxy-ethoxy)-3,5-dimethyl-benzaldehyde</strong> (1.46 g, 7.50 mmol) in N,N-dimethylacetamide (15 mL) were added sodium hydrogen sulfite (58.5 wt %, 1.51 g, 8.25 mmol) and p-toluenesulfonic acid monohydrate (0.28 g, 1.50 mmol). The reaction mixture was stirred at 120 C. for 16 hours under nitrogen, and then cooled to room temperature. Solvent was evaporated under reduced pressure. Water (100 mL) was added. The separated solid was filtered, washed with water (50 mL), and dried under vacuum. Crude compound was further washed with ether and dried under vacuum to give 5,7-dichloro-2-[4-(2-hydroxy-ethoxy)-3,5-dimethylphenyl]-3H-quinazolin-4-one as a white solid. Yield: 2.42 g (85%).
 

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