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[ CAS No. 197024-83-2 ]

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Chemical Structure| 197024-83-2
Chemical Structure| 197024-83-2
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Product Details of [ 197024-83-2 ]

CAS No. :197024-83-2 MDL No. :MFCD11053858
Formula : C7H9BO2S Boiling Point : -
Linear Structure Formula :- InChI Key :-
M.W :168.02 g/mol Pubchem ID :-
Synonyms :

Safety of [ 197024-83-2 ]

Signal Word:Warning Class:
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 UN#:
Hazard Statements:H302-H315-H319-H335 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 197024-83-2 ]

  • Upstream synthesis route of [ 197024-83-2 ]
  • Downstream synthetic route of [ 197024-83-2 ]

[ 197024-83-2 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 15155-41-6 ]
  • [ 197024-83-2 ]
  • [ 165190-76-1 ]
YieldReaction ConditionsOperation in experiment
85% With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene at 85℃; for 48 h; Inert atmosphere 4,7-dibromobenzo[c][1,2,5]thiadiazole (1.32 g, 4.5 mmol), 2-(thiophen-2-yl)-1,3,2-dioxaborinane (1.68 g, 10 mmol) and 23.1 mg Pd(PPh3)4 (1percent mol) were added in the mixture of 30 mL toluene and 6 mL 2.0 M K2CO3, and then the mixture was stirred at 85°C under the N2 atmosphere for 48 h. The reaction was stopped by adding 20 mL water, and the product was extracted by CHCl3 three times. After dried over MgSO4, the solvent was removed by rotary evaporation. The product was preliminary purified by column chromatography using petroleum ether as the eluent to give the red solid. Yield: 85percent. 1H NMR (500 MHz, CDCl3, δ): 8.13 (d, J=3.6, 1.2Hz, 2H), 7.89 (s, 2H), 7.47 (d, J=5.1, 1.2Hz, 2H), 7.22 (t, J=5.1, 3.6, 1.2Hz, 2H).
Reference: [1] Dyes and Pigments, 2011, vol. 91, # 3, p. 356 - 363
[2] Polymer, 2013, vol. 54, # 22, p. 6191 - 6199
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