Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 305798-02-1, is researched, SMILESS is BrCC1=CC2=CC=C(Br)C=C2C=C1, Molecular C11H8Br2Journal, Article, Beilstein Journal of Organic Chemistry called Synthesis and fluorosolvatochromism of 3-arylnaphtho[1,2-b]quinolizinium derivatives, Author is Pithan, Phil M.; Decker, David; Sardo, Manlio Sutero; Viola, Giampietro; Ihmels, Heiko, the main research direction is naphthoquinolizinium aryl preparation fluorosolvatochromism; boronic acid aryl bromo naphthoquinolizinium bromide preparation Suzuki Miyaura; fluorescence; heterocycles; quinolizinium; solvatochromism.Application In Synthesis of 2-Bromo-6-(bromomethyl)naphthalene.
Cationic biaryl derivatives I (R = C6H5, naphth-1-yl, anthracen-9-yl, etc.) were synthesized by Suzuki-Miyaura coupling of 3-bromonaphtho[1,2-b]quinolizinium bromide with arylboronic acids RB(OH)2. The resulting cationic biaryl derivatives I exhibit pronounced fluorosolvatochromic properties. First photophys. studies in different solvents showed that the emission energy of the biaryl derivatives I decreases with increasing solvent polarity. This red-shifted emission in polar solvents is explained by a charge shift (CS) in the excited state and subsequent solvent relaxation. Furthermore, the polarity of protic polar and aprotic polar solvents affects the emission energy to different extent, which indicates a major influence of hydrogen bonding on the stabilization of the ground and excited states.
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Reference:
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