66633-07-6Relevant academic research and scientific papers
Enantioselective quaternization of 4-substituted oxazol-5-(4H)-ones using recoverable Cinchona-derived dimeric ammonium salts as phase-transfer organocatalysts
Tari, Silvia,Avila, Angel,Chinchilla, Rafael,Najera, Carmen
experimental part, p. 176 - 180 (2012/05/20)
Dimeric anthracenyldimethyl-derived Cinchona ammonium salts are used as chiral organocatalysts (5 mol %) for the enantioselective 4-alkylation of 4-substituted azlactones. The corresponding adducts bearing a new quaternary center were obtained with up to
