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Chemical Structure| 51521-75-6 Chemical Structure| 51521-75-6

Structure of 51521-75-6

Chemical Structure| 51521-75-6

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Product Details of [ 51521-75-6 ]

CAS No. :51521-75-6
Formula : C8H6Cl2O4S
M.W : 269.10
SMILES Code : O=C(O)C1=CC(S(=O)(C)=O)=C(Cl)C=C1Cl
MDL No. :MFCD11179857

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Application In Synthesis of [ 51521-75-6 ]

* 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 [ 51521-75-6 ]

[ 51521-75-6 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 51521-75-6 ]
  • [ 51521-95-0 ]
  • 2-(5-carboxyfurfurylamino)-4-chloro-5-methylsulfonylbenzoic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
With hydrogenchloride; sodium hydrogencarbonate; triethylamine; EXAMPLE 32 2-(5-Carboxyfurfurylamino)-4-chloro-5-methylsulfonylbenzoic acid A mixture of 2,4-dichloro-5-methylsulfonylbenzoic acid (3.50 g.; 0.013 mole), <strong>[51521-95-0]5-aminomethyl-2-furancarboxylic acid hydrochloride</strong> (4.83 g.; 0.027 mole), triethylamine (11.5 ml.), and glyme (25 ml.) is heated to 140-150 C. for 24 hours. Solid sodium bicarbonate (5.0 g.) is added and refluxing is continued for another 24 hours. The mixture is poured into water (150 ml.) and acidified by the addition of 6N hydrochloric acid. The tan solid is collected, washed with water, and dried, 1.20 g., m.p. 269-272 C. Recrystallization from acetonitrile gives 2-(5-carboxyfurfurylamino)-4-chloro-5-methylsulfonylbenzoic acid, m.p. 263.5-265.5 C. (dec.). Analysis calculated for C14 H12 ClNO7 S: C, 44.98; H, 3.24; N, 3,75; Found: C, 45.29; H, 3.30; N, 3.82.
 

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