A highly diastereoselective conjugate reduction using SmI2 and D2O has been demonstrated on a homochiral benzylidene diketopiperazine template, giving methyl (2S,3R)-N-acetyl-2-amino-2,3-dideuterio-3-phenylpropionate 12 in 93% de and 90% ee after deprotection, hydrolysis and N-acetylation.
机构:
Indian Inst Sci Educ & Res Pune, Dept Chem, Pune 411008, Maharashtra, IndiaIndian Inst Sci Educ & Res Pune, Dept Chem, Pune 411008, Maharashtra, India