Spectrochimica Acta Part A: Molecular Spectroscopy
Research noteAbsorption and emission properties of the six isomeric di-pyridyl-ketones☆
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Role of heteroaromatic cycles in the inter- and intra-molecular dynamics of excited aryl ketones
2013, Journal of Photochemistry and Photobiology C: Photochemistry ReviewsCitation Excerpt :The results which have been obtained for this molecule opened a window on the photobehavior of aryl ketones and in general on the excited state behavior of organic compounds. The photophysics and photochemistry of hetero-aryl ketones have been investigated for a number of years by both stationary and time-resolved absorption and emission techniques [1–41]. Such photochemical studies are surveyed in this review.
New cross π-conjugated aromatic polyketones: Synthesis and chemical properties
2013, Synthetic MetalsCitation Excerpt :The UV–vis peak of Polymer-1 locates at a considerably longer wavelength than those of terphenyl at λmax = 276 nm, quaterphenyl at λmax = 294 nm [47], and poly(2,5-dialkoxy-1,4-phenylene) PPP(2,5-OR) at λmax = ca. 335 mn [21] (cf. Chart 5). The π–π* λmax positions of Polymer-1 and Polymer-2 locate at a considerably longer wavelength (by about 100 nm) than those of benzophenone at λmax = 253 [19] nm and 2,2′-bipyridyl ketone at λmax = 269 nm [48,49]. These optical data support the assumption that the π-conjugation system is expanded well along the polymer chains of Polymer-1 and Polymer-2.
A spectrophotometric and phosphorimetric study of a new class of heteroaromatic ketones: The six thienyl-pyridyl ketone isomers
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1990, Journal of Photochemistry and Photobiology, A: ChemistryA laser flash photolysis study of di-pyridyl ketones
1990, Chemical PhysicsNew Photocleavable Structures. II. α-Cleavable Photoinitiators Based on Pyridines
2004, Journal of Polymer Science, Part A: Polymer Chemistry
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A full paper (25 pages), including four figures and five tables of spectral experimental and calculated data, has been deposited with the British Library at Boston Spa, Wetherby, West Yorks, U.K. as Supplementary Publication No. SUP 13013. Persons wishing to obtain copies of deposited material should write, citing the accession number, directly to Service Enquiries, British Library Lending Library, Boston Spa, Wetherby, West Yorks, LS23 7BQ, U.K.