Web1,3-Dibromo-5,5-Dimethylhydantoin [DBDMH] as an Efficient and Selective Agent for the Oxidation of Thiols to Disulfides in Solution or under Solvent-Free Conditions. Ardeshir Khazaei*, Mohammad Ali Zolfigol, Amin Rostami. Department of Chemistry, Faculty of Science, Bu-Ali Sina University, P.O. Box 65174-4119, Hamedan, Iran. e-Mail: a_khazaei ... WebSep 1, 2008 · The combination of DBH/TsOH was also used for a-bromination of aliphatic ketones. ... Bromination at C-5 of Pyrimidine and C-8 of Purine Nucleosides with 1,3 …
1,3-Dibromo-5,5-dimethylhydantoin as a useful …
WebJun 14, 2013 · Bromination is achieved under mild reaction conditions and the products are isolated by recrystallization. The utility of the bromo derivatives is demonstrated by … WebNov 18, 2016 · Request PDF 1,3-Dibromo-5,5-dimethylhydantoin (DBH) mediated one-pot syntheses of α-bromo/amino ketones from alkenes in water α-Bromo ketones are … mini philosophy jonny thomson
Dehydrobromination Definition & Meaning YourDictionary
WebA method for producing a highly pure 4-bromoisothiazolinone derivative with high selectivity and high yield is provided. [Solution] Expression (1) (Wherein, R represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms.) A method for producing a 4-bromoisothiazolinone derivative represented by the formula (2) (Wherein R is the same … WebApr 6, 2011 · Tribromoisocyanuric acid (TBCA) is an efficient source of electrophilic bromine (Br +) that has been used for the bromination of 1,3-dicarbonyl compounds, 1 activating aromatic rings, 2 dibromination and cobromination of alkenes, 3 and also in diverse oxidation reactions. 4 TBCA is a stable solid that can be easily synthesized from … Web1,3-Dibromo-5,5-dimethylhydantoin (DBH) has been found to efficiently catalyze the one-pot conversion of various N -arylglycines through N -nitrosation and cyclization to sydnones in combination with NaNO 2 and Ac 2 O in high yields (80 … mini phone flash file