N-(4-Ethoxycarbonylmethyl-phenyl)-2,2-dimethyl-malonamic acid

2,2-dimethyl-malonyl monochloride

2-(3,3-Dimethyl-1,2,3,4-tetrahydro-quinolin-6-yl)-ethanol

(3,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-quinolin-6-yl)-acetic acid ethyl ester

6-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-3,3-dimethyl-1,2,3,4-tetrahydro-quinoline