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Chemical Structure| 196491-93-7 Chemical Structure| 196491-93-7

Structure of 196491-93-7

Chemical Structure| 196491-93-7

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Product Details of [ 196491-93-7 ]

CAS No. :196491-93-7
Formula : C10H2Br2O2S2
M.W : 378.06
SMILES Code : O=C(C1=C(SC(Br)=C1)C2=O)C3=C2C=C(S3)Br

Safety of [ 196491-93-7 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Application In Synthesis of [ 196491-93-7 ]

* 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 [ 196491-93-7 ]

[ 196491-93-7 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 196491-93-7 ]
  • [ 1732-26-9 ]
  • 2,6-dibromo-4,8-bis(4-pyrenyl)benzo[1,2-b:4,5-b']dithiophene [ No CAS ]
YieldReaction ConditionsOperation in experiment
77% 1)4-bromoindole (14.15g, 50mmol)Dissolve 100ml of tetrahydrofuran into a 500ml three-necked bottle,Cool down to -78 C, slowly add 1.6M under nitrogen protection(22g, 52mmol)a solution of n-butyllithium in n-hexane, reacted at -78 C for 2 h,Add under nitrogen protection2,6-dibromobenzo[1,2-b:4,5-b']dithiophene-4,8-phenylhydrazine(9.45 g, 25 mmol) continued to react for 1.5 h, then returned to room temperature for 8 h.Add 50 ml of tin chloride (9.86 g, 52 mmol) under nitrogen.The amount of 10% hydrochloric acid was heated and refluxed for 4 h.The TLC monitoring reaction was completed. After cooling to room temperature, filtration, distillation under reduced pressureAfter the agent, the solid was washed with acetone (200 ml) and the toluene was recrystallized twice.Drying under vacuum to finally obtain an intermediate(4R, 8S) -2,6- dibromo-4,8-bis (4-pyrenyl) benzo [1,2-b: 4,5-b '] dithiophene14.49 g, yield 77%.
 

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