Patent ID: 7589127

Claim:
A method for the treatment of malaria which comprises administering to a patient in need of such treatment a compound of formula I: wherein, R 5 is hydrogen; R 1a and R 1 independently are tert-butyl, halo, C 1-6 alkoxy, C 3-10 cycloalkyl, C 6-10 aryl, or trihalovinyl, wherein said aryl is optionally substituted with 1-3 groups of R a ; each R 2 is hydrogen; R 3 and R 3a are independently hydrogen, halo, C 1-6 alkyl, C 3-10 cycloalkyl, or C 6-10 aryl, wherein said aryl and alkyl optionally substituted with 1-3 groups of R a ; R 4 is hydrogen; R a represents C 1-6 alkoxy, C 1-6 alkyl, CF 3 , nitro, amino, cyano, C 1-6 alkylamino, or halogen; and n represents 1-3; or a pharmaceutically acceptable salt, enantiomer, or diastereomer thereof.