One-Pot Synthesis of Diarylmethanones through Palladium-Catalyzed Sequential Coupling and Aerobic Oxidation of Aryl Bromides with Acetophenone as a Latent Carbonyl Donor

Autor: Ai-Dong Zhang, Fu-Di Liu, Hai-Yang Tu, Xing Wang
Rok vydání: 2014
Předmět:
Zdroj: The Journal of Organic Chemistry. 79:6554-6562
ISSN: 1520-6904
0022-3263
DOI: 10.1021/jo5010185
Popis: A one-pot palladium-catalyzed synthesis of symmetrical and unsymmetrical diarylmethanones using acetophenone and aryl bromides as raw materials has been developed. In this reaction, acetophenone acts as a latent carbonyl donor and two pathways of palladium-catalyzed sequential coupling and aerobic oxidation are identified. The reaction is applicable to a spectrum of substrates and delivers the products in moderate to good yields. This method can be used for the synthesis of ketoprofen, a nonsteroidal anti-inflammatory drug, in a two-step procedure and 45% overall yield.
Databáze: OpenAIRE