Dipeptide Isosteres. 1. Synthesis of Dihydroxyethylene Dipeptide Isosteres via Diastereoselective Additions of Alkyllithium Reagents to N,N-Dimethylhydrazones. Preparation of Renin and HIV-1 Protease Inhibitor Transition-State Mimics

Article abstract of DOI:10.1021/jo00064a013

The amino and diamino dihydroxyethylene dipeptide isosteres 19a,b and 23 are important intermediates for the preparation of inhibitors of human renin and HIV-1 protease, respectively.A general synthetic strategy was developed to access both dipeptide isos