申请人:Hoffmann-La Roche Inc.
公开号:US03931193A1
公开(公告)日:1976-01-06
Quinine, quinidine and analogs thereof, are prepared by reacting a 4-quinolyllithium compound with a 4,5-erythro-5-ethyl(or vinyl)-quinuclidine-2 .xi.-carboxaldehyde or the corresponding quinuclidine-2-carboxylic acid alkyl ester. Also described, inter alia, is the preparation of a 4,5-erythro-5-ethyl(or vinyl)-quinuclidine-2 .xi.-carboxaldehyde, and a 4,5-erythro-5-ethyl(or vinyl)-quinuclidine-2 .xi.-carboxylic acid and esters thereof. The end products are useful as anti-malarial and antiarrhythmic agents.
喹啉、奎宁和其类似物是通过将4-喹啉基锂化合物与4,5-红酒糟-5-乙基(或乙烯基)喹诺啉-2-羧醛或相应的喹诺啉-2-羧酸烷基酯反应制备的。此外,还描述了制备4,5-红酒糟-5-乙基(或乙烯基)喹诺啉-2-羧醛、4,5-红酒糟-5-乙基(或乙烯基)喹诺啉-2-羧酸及其酯的方法。最终产品可用作抗疟疾和抗心律失常药物。