ol9b00448_si_001.pdf (4.79 MB)
Synthesis, Functionalization, and Optical Properties of 1,2-Dihydro-1-aza-2-boraphenanthrene and Several Highly Fluorescent Derivatives
journal contribution
posted on 2019-04-05, 18:04 authored by Alberto Abengózar, Patricia García-García, David Sucunza, Diego Sampedro, Adrián Pérez-Redondo, Juan J. VaqueroPreviously unknown 1,2-dihydro-1-aza-2-boraphenanthrene
has been
synthesized in only three steps from 2-bromo-1-vinylnaphthalene. The
reactivity of this new BN-phenanthrene, and of several substituted
derivatives, has been tested against bromine and organolithium compounds.
Bromination proceeded with complete regioselectivity, affording bromo-substituted
compounds suitable for further functionalization via cross-coupling
reactions. This new family of BN-phenanthrenes exhibits a substantial
increase in the quantum yield (up to ϕF = 0.93) with
respect to phenanthrene.
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2- bromo -1-vinylnaphthalenequantumFunctionalizationSeveralderivativeregioselectivityFluorescent Derivativesorganolithium compoundscross-coupling reactionsreactivityfunctionalization-1-azaSynthesiOptical PropertiesbromineBrominationϕ FBN-phenanthrenes exhibitsDihydrobromo-substituted compoundsdihydro
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