213894-75-8Relevant academic research and scientific papers
Divergent synthesis of flavones and aurones via base-controlled regioselective palladium catalyzed carbonylative cyclization
Xu, Shan,Sun, Huaming,Zhuang, Mengyuan,Zheng, Shaohua,Jian, Yajun,Zhang, Weiqiang,Gao, Ziwei
, p. 264 - 270 (2018/05/04)
A regioselective approach for construction of 5-membered and 6-membered flavonoid is established by Pd catalyzed carbonylative cyclization of 2-iodophenol with terminal alkynes using different amine bases under mild reaction condition. The catalytic experiments found that piperazine preferentially accelerate 6-endo cyclization, and triethylamine mediated Pd catalyzed 5-exo cyclization. Under optimized reaction condition, Pd catalyzed carbonylative protocol successfully applied for the diverse structures of 39 examples in good to excellent yield and regioselectivity.
A novel one pot route to flavones under dual catalysis, an organo- and a Lewis acid catalyst
Maiti, Gourhari,Karmakar, Rajiv,Bhattacharya, Rudraksha N.,Kayal, Utpal
supporting information; experimental part, p. 5610 - 5612 (2011/11/12)
Substituted phenylacetylenes react with various o-hydroxy aromatic aldehydes under dual catalysis of piperidine and FeCl3 in refluxing toluene to yield flavones in good to excellent yield. Atmospheric oxygen acts as stoichiometric oxidant in the process. Some of these compounds had been recently reported to show fair insecticidal activity against Spodoptera frugiperda.
A two step synthesis of BzR/GABAergic active flavones via a Wacker-related oxidation
Lorenz, Michael,Shahjahan Kabir,Cook, James M.
experimental part, p. 1095 - 1098 (2010/04/05)
A general route for the synthesis of biologically important flavones is reported via a two step sequence employing a catalytic Wacker-Cook oxidation4b as the key step.
Synthesis of chromones and pyrazolines as antimicrobial & antifungal agents
Ghotekar,Mandhane,Joshi,Bhagat,Gill
experimental part, p. 341 - 344 (2012/01/02)
A series of chromones and pyrazolines have been synthesized and evaluated for their antimicrobial and antifungal activity against Gram+ve and Gram-ve microorganisms. 2-Hydroxy acetophenone on treatment with substituted aldehydes gave the corresponding cha
