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Chemical Structure| 65234-09-5 Chemical Structure| 65234-09-5

Structure of 65234-09-5

Chemical Structure| 65234-09-5

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Product Details of [ 65234-09-5 ]

CAS No. :65234-09-5
Formula : C13H12ClNO2S
M.W : 281.76
SMILES Code : O=C(C1=C(N)SC=C1C2=CC=C(Cl)C=C2)OCC
MDL No. :MFCD01038372

Safety of [ 65234-09-5 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P301+P312-P302+P352-P304+P340-P305+P351+P338

Application In Synthesis of [ 65234-09-5 ]

* 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 [ 65234-09-5 ]

[ 65234-09-5 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 38871-41-9 ]
  • [ 65234-09-5 ]
  • C22H18ClNO5S [ No CAS ]
YieldReaction ConditionsOperation in experiment
With triethylamine; In dichloromethane; at 20℃; General procedure: Taking 2-(1-naphthamido)-4-(4-chlorophenyl) thiophene-3-carboxylic acid (6) as an example. Step a: 18.55g (120mmol) 4-chloroacetophenone, 16.29g (144mmol) ethyl cyanoacetate, 7.12g (120mmol) acetic acid, 23.00g (264mmol) morpholine, and 500mL ethanol were added into a round bottom flask and stirred for 3h under an argon atmosphere at 70C. Then 4.91g (144mmol) sulfur was added and stirred for 48h. The solution was evaporated, and the residue was purified by column chromatography to afford 2-aminothiophene-3-carboxylate acid ethyl ester (yield 21%). Step b: 0.195g (0.73mmol) 2-aminothiophene-3-carboxylate acid ethyl ester was dissolved in 10mL DCM and 0.125g (0.66mmol) 1-naphthyl chloride which was dissolved in 10mL DCM was dropped it into the solution at 0C. Stirred for 8h at room temperature, followed by evaporation and recrystallization using DCM/petroleum ether. White powder intermediate Ethyl 2-(1-naphthamido)-4-(4-chlorophenyl)thiophene-3-carboxylate 0.227g (0.54mmol) was obtained (yield 75%) as white powder. Step c: 0.143g (0.34mmol) ethyl 2-(1-naphthamido)-4-(4-chlorophenyl)thiophene-3-carboxylate and 0.068g (1.7mmol) NaOH were dissolved in THF/methanol/water solution and stirred for 8h at room temperature. Adjusted pH to neutral by acetic acid and precipitated by adding water. 0.094g (0.23mmol) colorless crystal compound 6 was obtained
 

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