2002
DOI: 10.1002/1099-0690(200207)2002:14<2269::aid-ejoc2269>3.0.co;2-e
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The First Synthesis and Electronic Properties of Tetrakis[(hetero)phenanthrenyl]methanes

Abstract: The tetrakis[(hetero)phenanthryl]methanes 9 have been synthesized from tetrakis(p-iodophenyl)methane (1) in a twostep sequence consisting of a Heck aryl vinylation to give the tetrakis[β-(aryl)-p-styryl]methanes 3 and subsequent oxidative photocyclization. The absorption and emission spectra of the stilbene derivatives 3 showed significant electronic coupling of the four branches both in the ground and in the excited states. According to cyclic voltammetry, the electronrich dimethylamino (3c) and the electrone… Show more

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Cited by 12 publications
(2 citation statements)
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“…Solvents were dried and distilled by standard procedures 24. Pinacolyl 10‐hexyl‐10 H ‐phenothiazin‐3‐yl boronate ( 5 ) and bis(pinacolyl) 10‐hexyl‐10 H ‐phenothiazin‐3,7‐diyl bisboronate ( 8 ) were prepared by our previously published procedure 17c. Column chromatography: silica gel 60, mesh 70–230.…”
Section: Methodsmentioning
confidence: 99%
“…Solvents were dried and distilled by standard procedures 24. Pinacolyl 10‐hexyl‐10 H ‐phenothiazin‐3‐yl boronate ( 5 ) and bis(pinacolyl) 10‐hexyl‐10 H ‐phenothiazin‐3,7‐diyl bisboronate ( 8 ) were prepared by our previously published procedure 17c. Column chromatography: silica gel 60, mesh 70–230.…”
Section: Methodsmentioning
confidence: 99%
“…Such a Storks shift is often observed with phenanthrene derivatives. 34,35 Actually, all the prepared copolymers in both solution and the film show a Storks shift (Table 2). In the case of Poly-3 film, the large Storks shift and the broadening emission peak seem to be due to aggregation of the linear π-conjugated Poly-3 molecules.…”
Section: ■ Introductionmentioning
confidence: 92%