Iron(III)-Catalyzed Peroxide-Mediated C-3 Functionalization of Flavones
作者:Bilal Ahmad Mir、Arghya Banerjee、Sourav Kumar Santra、Suresh Rajamanickam、Bhisma K. Patel
DOI:10.1002/adsc.201600565
日期:2016.11.3
An iron(III)‐catalyzed C‐3 functionalization of flavones has been achieved using tert‐butyl peroxybenzoate (TBPB)/potassium persulphate (K2S2O8) oxidant combinations with a suitable solvent. In the presence of iron(III)/tert‐butyl peroxybenzoate/potassium persulphate, the reaction of flavones in cycloalkanes afforded exclusive C‐3 cycloalkylation via C –C coupling, whereas the solvent N,N‐dialkylformamide
使用过氧苯甲酸叔丁酯(TBPB)/过硫酸钾(K 2 S 2 O 8)氧化剂和合适的溶剂可实现黄酮的铁(III)催化C-3官能化。在存在铁(III)/叔丁基过氧化苯甲酸酯/过硫酸钾,黄酮在环烷烃反应,得到独家C-3环烷基化通过Ç -C耦合,而溶剂Ñ,Ñ -dialkylformamide提供的C-3的酰胺化通过Ç -C耦合。在相同的反应条件下,仅通过将溶剂切换为氯苯,即可得到C-3甲基化的黄酮,其中过氧苯甲酸叔丁酯(TBPB)是甲基的来源。
Jayashree; Alam, Afroze; Kumar, D. Vijay, Indian Journal of Heterocyclic Chemistry, 2010, vol. 19, # 3, p. 237 - 240
作者:Jayashree、Alam, Afroze、Kumar, D. Vijay、Nayak, Yogendra
DOI:——
日期:——
Synthesis of 3-methylflavones and their antioxidant and antibacterial activities
作者:B. S. Jayashree、Afroze Alam、Yogendra Nayak、D. Vijay Kumar
DOI:10.1007/s00044-011-9725-y
日期:2012.8
An attempt was made to synthesise newer 3-methylflavones with various substitution on the ring A and B of 2-phenylchromen-4-one. They were evaluated for antioxidant activity and antibacterial activity against the Gram-positive and Gram-negative bacteria. Five test compounds exhibited DPPH radical scavenging activity with IC50 below 100 mu g/ml, and the same test compounds exhibited 50-100% growth inhibition in Gram-positive bacteria against standard Amoxicillin.