نتایج جستجو برای: anils
تعداد نتایج: 30 فیلتر نتایج به سال:
Oxidation of Aromatic Anils in Aniline Moiety by meta-Chloroperbenzoic Acid in Aqueous Acitic Medium
The present study is related to our theoretical in vestigations [1—3] of diamino derivatives of the antiaromatic cyclopentadienyl cation (CPC). The theoretical results were confirmed with the brilliant synthesis of 6-amino-l,4-dimethyl-5,7-diphenyll,2,3,4-tetrahydrocyclopentapyrazin-6-ylium-tetrafluoroborate, carried out by Gompper et al. [4] and of some other stable cyclopentadienyl salts [5]...
Dynamics of photochromism have been studied in anil compounds using femtosecond transient absorption and picosecond fluorescence spectroscopies. The experimental observations were compared with the theoretical results obtained Ž . from AM1–SCF calculations. Excited-state intramolecular proton transfer ESIPT and photochromic reaction were found to occur from the S state, whereas normal fluoresce...
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