4-(2-nitrophenyl)Dibenzofuran synthesis
- Product Name:4-(2-nitrophenyl)Dibenzofuran
- CAS Number:1246308-80-4
- Molecular formula:C18H11NO3
- Molecular Weight:289.28
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Yield:1246308-80-4 100%
Reaction Conditions:
with tetrakis(triphenylphosphine) palladium(0);sodium carbonate in ethanol;toluene; for 12 h;Reflux;
Steps:
Reaction Formula 10a
Bromonitrobenzene 20 g (99 mmol), dibenzothran1-yl-boronic acid (25.1 g, 118.8 mmol), Pd(pph3)4 (4.583.96 mmol) and Na2CO3 (31.5 g, 297 mmol) were dissolved in a mixture of ethyl alcohol (148 mE) and toluene (267 mE). The mixture was refluxed/stirred for 12 hours. After completion of the reaction, the resultant was extracted by distilled water and colunmed in a silica-gel such that 4-(2- nitrophenyl)dibenzo[b,d]furan (29.3 g, yield: 100%) was obtained.
References:
US2018/130953,2018,A1 Location in patent:Paragraph 0220; 0221
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