2017
DOI: 10.1002/ange.201703586
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Molekulares Kästchenpapier

Abstract: Hier wird eine selbstorganisierte molekulare Schablone vorgestellt, die aus Tetraphenylmethan‐basierten Derivaten besteht und auf einer Au(111)‐Oberfläche eine zweidimensional periodische Anordnung von Acetylgruppen aufweist, die aus dem molekularen Film hervorragen. Mithilfe der Spitze eines Rastertunnelmikroskops kann diese Acetylgruppe kontrolliert entfernt werden, ohne dass dabei die Anordnung des molekularen Films beeinflusst wird. Die chemisch modifizierten Moleküle sind leicht von den ursprünglichen Mol… Show more

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Cited by 7 publications
(3 citation statements)
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References 27 publications
(27 reference statements)
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“…[25] Treatment of 1 with aG rignard reagent (phenylmagnesium chloride) in THF was followed by the Friedel-Crafts alkylation reaction under acidic conditions, which gave cyclization product 2. Then, the Pd-catalyzedS uzuki-Miyaura coupling reactionw ith the corresponding boric acid esters of [1,1'-biphenyl]-4-carbonitrile [26] and 5-phenylpicolinonitrile [27] yielded 3 and 4,r espectively.F inally,t he target MeAcPhCN and MeAcPyCN materials were obtained by am ethylation reaction, and PhAcPhCN was prepared by aC u-catalyzed Ullmann CÀNc oupling reaction. The host materials were purified by column chromatography and sublimation before they were used for devicef abrication.…”
Section: Resultsmentioning
confidence: 99%
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“…[25] Treatment of 1 with aG rignard reagent (phenylmagnesium chloride) in THF was followed by the Friedel-Crafts alkylation reaction under acidic conditions, which gave cyclization product 2. Then, the Pd-catalyzedS uzuki-Miyaura coupling reactionw ith the corresponding boric acid esters of [1,1'-biphenyl]-4-carbonitrile [26] and 5-phenylpicolinonitrile [27] yielded 3 and 4,r espectively.F inally,t he target MeAcPhCN and MeAcPyCN materials were obtained by am ethylation reaction, and PhAcPhCN was prepared by aC u-catalyzed Ullmann CÀNc oupling reaction. The host materials were purified by column chromatography and sublimation before they were used for devicef abrication.…”
Section: Resultsmentioning
confidence: 99%
“…4′‐(9,9‐Diphenyl‐9,10‐dihydroacridin‐4‐yl)‐[1,1′‐biphenyl]‐4‐carbonitrile (3) : K 2 CO 3 (16.8 g, 122 mmol), 2 (5.0 g, 12.2 mmol), 4′‐(4,4,5,5‐tetramethyl‐1,3,2‐dioxaborolan‐2‐yl)‐[1,1′‐biphenyl]‐4‐carbonitrile (4.45 g, 14.6 mmol), and Pd(PPh 3 ) 4 (0.28 g, 0.24 mmol) were added to a toluene/ethanol/water mixture (10:2:1, v/v/v) under a N 2 atmosphere. The mixture was heated to reflux overnight.…”
Section: Methodsmentioning
confidence: 99%
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