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Chemical Structure| 59489-29-1 Chemical Structure| 59489-29-1

Structure of 59489-29-1

Chemical Structure| 59489-29-1

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Product Details of [ 59489-29-1 ]

CAS No. :59489-29-1
Formula : C4H3Cl2N3
M.W : 163.99
SMILES Code : NC1=NC(Cl)=C(Cl)N=C1
MDL No. :MFCD20695331

Safety of [ 59489-29-1 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 59489-29-1 ]

* 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 [ 59489-29-1 ]

[ 59489-29-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 292638-84-7 ]
  • [ 33332-28-4 ]
  • [ 59489-29-1 ]
YieldReaction ConditionsOperation in experiment
With N-chloro-succinimide; In chloroform; Preparation 5 2-Amino-5,6-dichloropyrazine A mixture of 5 g. of <strong>[33332-28-4]2-amino-6-chloropyrazine</strong> (commercially available), 10.3 g. of N-chlorosuccinimide, and 100 ml. of chloroform was refluxed for about 1.5 hours. The reaction mixture was cooled and filtered, the solid collected on the funnel being discarded. The filtrate was evaporated and the residue washed with water and hot aqueous sodium bisulfite solution, and the solid which formed under this treatment was collected on a funnel. The solid was chromatographed on a column of 5*8 mm. styrene and divinylbenzene copolymer beads using chloroform as solvent and eluant. There were obtained by this chromatography three compounds: Compound 1, having a melting point of about 132°-135° C., was identified as 2-amino-3,6-dichloropyrazine. Compound 2, having a melting point of about 132°-134° C., was identified as 2-amino-3,5,6-trichloropyrazine. Compound 3, having a melting point of about 143°-144° C., was identified as 2-amino-5,6-dichloropyrazine, the desired compound.
 

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