New hydrazyl derivatives with multiple properties was written by Tudose, Madalina;Angelescu, Daniel;Ionita, Gabriela;Caproiu, Miron T.;Ionita, Petre. And the article was included in Letters in Organic Chemistry in 2010.Safety of 2-Bromo-1-(pyren-1-yl)ethanone The following contents are mentioned in the article:
4-(N’,N’-diphenylhydrazino)-3,5-dinitrobenzoic acid in reaction with 4-hydroxy-tempo, 4-aminobenzo-15-crown-5, and 1-bromoacetyl-pyrene, yielded the corresponding esters or amides, as yellow compounds These hydrazines, by oxidation with lead dioxide, were converted into the stable hydrazyl free radicals, with a purple-violet color. Same yellow hydrazines in reaction with alkali bases are converted into the corresponding salt of green color. The newly synthesized compounds were characterized by elemental anal. and IR, UV-visible, 1H- and 13C-NMR, and EPR spectra (where applicable). Acid-base, redox, fluorescence, and complexation properties were also studied and discussed. This study involved multiple reactions and reactants, such as 2-Bromo-1-(pyren-1-yl)ethanone (cas: 80480-15-5Safety of 2-Bromo-1-(pyren-1-yl)ethanone).
2-Bromo-1-(pyren-1-yl)ethanone (cas: 80480-15-5) belongs to organobromine compounds. Bromo compounds are employed in a variety of metal-catalyzed coupling reactions. They are also ideal candidates for the synthesis of Grignard reagents that have wide-applicability in organic synthesis. alpha-Bromoesters are employed in the Reformatsky reaction for the synthesis of beta-hydroxyesters. The principal reactions for organobromides include dehydrobromination, Grignard reactions, reductive coupling, and nucleophilic substitution.Safety of 2-Bromo-1-(pyren-1-yl)ethanone
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary