Practical Enantioselective Synthesis of a Homotyrosine Derivative and (R,R)-4-Propyl-9-hydroxynaphthoxazine, a Potent Dopamine Agonist

Article abstract of DOI:10.1021/jo00232a016

Two enantioselective routes were developed to prepare chiral amino acid derivative 4.The key step in the first route was catalytic hydrogenation of acrylate derivative 3 using chiral rhodium catalysts.In the second route the key step was acylation of 2-ch