Nobuyoshi Yasuda et al.
The Journal of organic chemistry, 69(6), 1959-1966 (2004-04-03)
A practical preparation of an alpha(v)beta(3) antagonist is reported. The antagonist consists of three key components, a tetrahydronaphthyridine moiety, a beta-alanine moiety, and a central imidazolidone moiety. The tetrahydronaphthyridine component was prepared using two different methods, both of which relied