Pyrene

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چکیده

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Benzo[a]pyrene prioritization

This is a compilation of abstracts of articles identified during the preliminary toxicological evaluation of evidence on the developmental and reproductive toxicity of benzo[a]pyrene (BaP, CAS# 50-32-8). BaP is a polycyclic aromatic hydrocarbon and a component of air pollution. Polycyclic aromatic hydrocarbons are formed as a result of incomplete combustion of organic materials and are ubiquito...

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Twisted pyrene-fused azaacenes.

An approach for introducing twists in pyrene-fused azaacenes is reported. Depending on the volume and the rigidity of the silyl groups, different-sized twist angles, which oscillate between 4° and 24°, are induced along the longitudinal conjugated backbone.

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1-(Hydroxymethyl)pyrene

The asymmetric unit of the title compound, C(17)H(12)O, contains two molecules, in which the fused aromatic ring systems are almost planar [maximum deviations = 0.0529 (9) and 0.0256 (9) Å]. In the crystal, aromatic π-π stacking inter-actions (perpendicular distance of centroids of about 3.4 Å) and strong O-H⋯O hydrogen bonds result in a helical arrangement of pyrenyl dimers.

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Inhibition of Benzo(a)pyrene and Benzo(a)pyrene 7,8-Dihydrodiol Metabolism by Benzo(a)pyrene QuiÃ±ones1

Benzo(a)pyrene 1,6-, 3,6-, and 6,1 2-quinones were found to be noncompetitive inhibitors of mixed-function oxidation of benzo(a)pyrene (BP) and frans-7,8-dihydro-7,8-dihydroxybenzo(a)pyrene (BP 7,8-dihydrodiol). BP 6,1 2-quinone was the most potent inhibitor of both BP and BP-7,8-dihydrodiol oxi dation followed by BP 1,6-quinone and BP 3,6-quinone. The K, for inhibition of BP mixed-function oxi...

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