Synthesis of Dihydroxyethylene Isosteres of Dipeptides; 2. Isosteres of Leu-Ala and Leu-Val from Suitably Substituted 3-Dimethylphenylsilyl-4-octanolides
Synthesis of Dihydroxyethylene Isosteres of Dipeptides. 1. Enantiomerically and Diastereomerically Pure 2-Alkyl-5-amino-3-dimethylphenylsilyl-4-octanolides from (S)-N,N-Dibenzylleucinal