NYTT SETT ATT FRAMSTELLA 6,7-DIALKOXI-4-OXI-KINOLIN-3-KARBOXYLSYRAESTRAR

摘要

1467224 Process for preparation of 6,7-dialkoxyquinoline derivatives CHINOIN GYOGYSZER ES VEGYESZETI TERMEKEK GYARA RT 27 Aug 1974 [28 Aug 1973] 37445/74 Heading C2C A novel process for preparation of compounds of the Formula I and salts thereof where such exist wherein R1 is C 1-4 alkyl, R2 is C 3-12 alkyl or alkenyl, and R3 is C 1-4 alkyl or an aralkyl comprises alkylating a compound of the Formula II The compounds are known coccidiostats. The compounds II are claimed in Specification 1,467,225.