Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 30165-96-9, Name is 3-Chloro-4-morpholino-1,2,5-thiadiazole. In a document, author is Pu, Shouzhi, introducing its new discovery. Application In Synthesis of 3-Chloro-4-morpholino-1,2,5-thiadiazole.
Synthesis and the effects of substitution upon photochromic diarylethenes bearing an isoxazole moiety
A new class of unsymmetrical photochromic diarylethenes bearing an isoxazole moiety was synthesized and the effects of substitution on their optical and electrochemical properties were investigated systematically. Each of the compounds exhibited remarkable photochromism and functioned as a fluorescent photoswitch both in solution and in poly(methyl methacrylate) films. The electron-donating substituents effectively shifted the absorption maximum and the emission peak to a longer wavelength direction, while the electron-withdrawing substituents notably enhanced the fluorescent quantum yields and oxidation onsets of these diarylethene derivatives. As compared to the unsubstituted parent diarylethene, introduction of the electron-donating/withdrawing substituents could efficiently modulate the optical and electrochemical properties of the diarylethenes bearing an isoxazole moiety. All results indicated that the isoxazole moiety and the substitution effects played a very important role during the process of photochromic reaction for these diarylethene derivatives. (C) 2010 Elsevier Ltd. All rights reserved.
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Reference:
Isoxazole – Wikipedia,
,Isoxazole | C3H3NO – PubChem