2013
DOI: 10.1016/j.tetlet.2012.11.099
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Synthesis of monodisperse oligocarbazoles-functionalized anthracenes with intense blue-emitting

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Cited by 16 publications
(9 citation statements)
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“…the 9,10-diborylated anthracene 3 is available in 60 %y ield through transition-metal-catalyzed borylation of 9,10-dibromoanthracene (1)w ith B 2 pin 2 . [35,36] Also starting from compound 1,w ep refer the stepwise lithiation/borylation sequence outlined in Scheme 3, which provides 3 in an overall yield of 87 %( ac orresponding one-step approach furnished only 5% yield). Both compounds 2 and 3 were isolated as crystalss uitable for X-ray analysis (see the Supporting Information for af ull characterization).…”
Section: Resultsmentioning
confidence: 99%
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“…the 9,10-diborylated anthracene 3 is available in 60 %y ield through transition-metal-catalyzed borylation of 9,10-dibromoanthracene (1)w ith B 2 pin 2 . [35,36] Also starting from compound 1,w ep refer the stepwise lithiation/borylation sequence outlined in Scheme 3, which provides 3 in an overall yield of 87 %( ac orresponding one-step approach furnished only 5% yield). Both compounds 2 and 3 were isolated as crystalss uitable for X-ray analysis (see the Supporting Information for af ull characterization).…”
Section: Resultsmentioning
confidence: 99%
“…Boron is related to silicon through the diagonal relationship of the periodic table, and 9,10‐(SiMe 3 ) 2 ‐anthracene can readily be converted to the corresponding magnesium anthracene A (R=SiMe 3 ) 34. Thus, we next decided to use 9,10‐(Bpin) 2 ‐anthracene ( 3 , Scheme ),35, 36 and to carry out the reduction to 4 , which, upon protonation, should give the target compound cis ‐9,10‐(Bpin) 2 ‐DHA ( cis ‐ 5 ). According to a literature procedure, the 9,10‐diborylated anthracene 3 is available in 60 % yield through transition‐metal‐catalyzed borylation of 9,10‐dibromoanthracene ( 1 ) with B 2 pin 2 35.…”
Section: Resultsmentioning
confidence: 99%
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“…Biphenyl, by torsion angle Φ between the planes of the two phenyl rings that the degree of π-overlap in the two phenyl rings and the resulting extent of π-systems delocalization can be finetuned. In addition, biphenyls play important roles as π -conjugated bridge and as electron rich donor like anthracene [8,9]. These roles give them the ability to become UV and electro applicable properties.…”
Section: Introductionmentioning
confidence: 99%
“…For example, the palladium-catalyzed carbon-carbon (C-C) and carbon-heteroatom (C-X) bond formations have been widely used in the synthesis of complex natural products, 13 bioactive molecules, 14 and organic materials. 1517 In contrast, the use of copper metal seemed to lag behind the trend of development in this area, though the copper-catalyzed C-C, C-O, and C-N bond formations belong to one of the oldest reactions, namely the Ullmann reaction.…”
Section: Introductionmentioning
confidence: 99%