Patent ID: 6979740

Claim:
A ring-substituted 8-aminoquinoline analog as of formula 1 wherein R represents H, straight chain alkoxy groups containing 1 to 8 carbon atoms, branched chain alkyl groups containing 3 to 7 carbon atoms, cycloalkyl group containing 3 to 15 carbon atoms, phenoxy, and substituted phenoxy groups; R 1 represents H, CH 3 and C 2 H 5 ; R 2 represents straight chain alkyl group containing 1 to 5 carbons, branched alkyl groups, and cycloalkyl group containing 3 to 15 carbon atoms; R 3 represents a (R)- or (S)-amino acid, an L-unnatural amino acid, or R 3 is H where (a) R 1 is H and R 2 is selected from the group consisting of C(CH 3 ) 3 , 1-adamantyl, c-C 5 H 9 , CH(CH 3 ) 2 , c-C 6 H 11 , and C(CH 3 ) 3 , or (b) where R 1 is CH 3 or C 2 H 5 and R 2 is C(CH 3 ) 3 .