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Chemical Structure| 285135-68-4 Chemical Structure| 285135-68-4

Structure of 285135-68-4

Chemical Structure| 285135-68-4

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Product Details of [ 285135-68-4 ]

CAS No. :285135-68-4
Formula : C17H10Cl2N4O2
M.W : 373.19
SMILES Code : N#CC1=NC=CC(C2=NC(Cl)=C(OC3=CC=CC=C3OC)C(Cl)=N2)=C1

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Application In Synthesis of [ 285135-68-4 ]

* 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 [ 285135-68-4 ]

[ 285135-68-4 ] Synthesis Path-Downstream   1~1

  • 1
  • 1,4-diazobicyclo-[2,2,2]-octane [ No CAS ]
  • [ 65938-77-4 ]
  • [ 285135-68-4 ]
  • [ 257876-24-7 ]
YieldReaction ConditionsOperation in experiment
With hydrogenchloride; potassium carbonate; In methanol; water; acetone; EXAMPLE 3 12.5 g (33.5 mmol) of 4-[4,6-dichloro-5-(2-methoxy-phenoxy)-pyrimidine-2-yl]-pyridine-2-carbonitrile and 6.06 g (35 mmol) of <strong>[65938-77-4]5-methyl-pyridine-2-sulfonamide</strong> were added to 130 ml of acetone. 15 g of potassium carbonate and 190 mg (1.6 mmol) of 1,4-diazobicyclo[2.2.2]octane were added and the suspension was stirred at 40 C. for 5 hr and at 20 C. for 15 hr. Then 50 ml of de-ionized water were added followed by dropwise addition of 50 ml of 3 N hydrochloric acid (pH of the solution=1). Acetone was removed by evaporation and the suspension was stirred for 1 hr. The solid was filtered and washed with 100 ml of water. The residue was heated (reflux) in 100 ml of methanol for 1 hr followed by cooling to 20 C. The solid was filtered and dried at 80 C., 2000 Pa for 16 hr. There were obtained 16.0 g (93% of theory) of 5-methyl-pyridine-2-sulfonic acid [6-chloro-2-(2-cyano-pyridine-4-yl)-5-(2-methoxy-phenoxy)-pyrimidine-4-yl]-amide with a HPLC purity of 90.3% (w/w).
 

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