Photocycloreversion
WebJun 1, 1990 · Wavelength-dependent photocycloreversion of the endoperoxides of 1,2,3,4-tetramethylanthracene and 1,2,3,4-tetramethyl-9,10-diphenylanthracene. Journal of Photochemistry and Photobiology A: Chemistry 1992 , 63 (3) , 319-325. WebLaser Photolysis Studies on [2+2]-Photocycloreversion and Photoisomerization Reactions of trans - and cis -1,2-Di(1-pyrenyl)cyclobutane Dimers through Radical Ion Intermediates. Bulletin of the Chemical Society of Japan 1991, 64 (11) , 3402-3410.
Photocycloreversion
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WebJan 16, 2008 · A novel thermally stable photoresponsive fluorescent switch system was designed by utilizing [2+2] photocycloreversion between diarylethylene and …
WebCycloreversion can be described as the reversal of cycloaddition, i.e. conversion of a cyclic compound to its acyclic constituents, from which it is (at least formally) derived. It is a … WebFeb 9, 1990 · On the other hand, intersystem crossing (ISC) as additional deactivation channel seems to be rather unlikely for a dissociation process on that short time scale, …
WebTheoretical investigation on remote-control photocycloreversion of dithienylethene driven by azobenzene chromophores. Li. 1, Bai. 2, Zhang. 3. 2015. Spectrochimica Acta Part A: Molecular and Biomolecular Spectros. 4. 0. 0. 0. View full text Add to dashboard Buy / Rent full text. No abstract. WebMay 14, 2024 · Photocycloreversion plays a central role in the study of the repair of DNA lesions, reverting them into the original pyrimidine nucleobases. Particularly, among the proposed mechanisms for the repair of DNA (6-4) photoproducts by photolyases, it has been suggested that it takes place through an intermediate characterized by a four-membered …
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WebJun 3, 2012 · In 1978 the photocycloreversion reaction was rediscovered by Rigaudy et al. for the endoperoxide of 9,10-diphenylanthracene (ref. 9). A short time later in 1979, independently Viallet et al., Srinivasan et al. and Brauer et al. reported the photochemical cycloreversion of different endoperoxides (refs. 10–12). Thus rearrangement and ... north hill apartments springfield ohioWebJul 27, 2001 · Both photocyclization and photocycloreversion quantum yields of the diarylethene with nitronyl nitroxide radicals were found to increase with the increase in the π-conjugated chain length. Photoswitching of the magnetic interaction between two nitronyl nitroxide radicals was studied by means of ESR spectroscopy. The change in exchange ... north hill apartments briarcliff manorWebA rewritable optical data storage material system by [2 + 2] photocycloreversion-photocycloaddition. / Li, Fengyu; Zhuang, Jun-Peng; Jiang, Guiyuan et al. In: Chemistry of … north hill acura calgaryWebDec 12, 2001 · Photocyclization and photocycloreversion quantum yields of three diarylethene derivatives were determined in the single-crystalline phase. The former yields in the crystalline phase were twice as large as those in solution. This can be attributed to only photoreactive antiparallel conformers being packed in the crystals, while in solution both … north hill apartmentWeb[4 + 4] and [2 + 2] cycloadditions are unique reactions since they form and deform cycloadducts under irradiation due to their inherent reversible nature. Whereas promising for the field of recycling, these reactions usually suffer from two major shortcomings: long reaction durations (hours) and the requirement of high-intensity light (∼100 W/cm2), … north hill apartments fullerton caWebA Rewritable Optical Data Storage Material System by [2 + 2] Photocycloreversion−Photocycloaddition. Browse. Search. Explore more content. cm702351n_si_001. pdf (215.25 kB) File info Download file. Fullscreen. A Rewritable Optical Data Storage Material System by [2 + 2] Photocycloreversion−Photocycloaddition. how to say hello how are you in sign languageWeb开馆时间:周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 how to say hello iman in spanish