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Chemical Structure| 473255-51-5 Chemical Structure| 473255-51-5

Structure of 473255-51-5

Chemical Structure| 473255-51-5

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Product Details of [ 473255-51-5 ]

CAS No. :473255-51-5
Formula : C7H7ClN2O
M.W : 170.60
SMILES Code : O=C(N)C1=CN=C(C)C=C1Cl

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Application In Synthesis of [ 473255-51-5 ]

* 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 [ 473255-51-5 ]

[ 473255-51-5 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 473255-51-5 ]
  • [ 38875-76-2 ]
YieldReaction ConditionsOperation in experiment
A suspension of 4-chloro-6-methylnicotinamide (29.7 g, 195 mmol) in POC (80.2 mL, 860 mmol) is heated at 110 C for 15 min (gas development). The mixture is allowed to cool to rt, and is treated with PCI5 (57.0 g, 274 mmol) over 20 min. The mixture is heated again at 110 C for 1 h. The mixture is allowed to cool to rt, and is evaporated under reduced pressure. The residue is diluted with EtOAc, and cooled to 0 C. Aq. 10% Na2C03 is added. The mixture is extracted with EtOAc (3x). The combined org. layers are washed with brine, dried over Na2S04, filtered, and the solvents are removed under reduced pressure. Purification of the crude by automated FC (Biotage, EtOAc / heptane 2:98? 30:70) yields the title compound. LC-MS: tR = 0.55 min, MH+ = 194.15 (conditions 4).
 

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