Synthesis of (R) and (S) enantiomers of Fmoc-protected 1,2,4-oxadiazole-containing β3-amino acids from Fmoc-(R)-β-HAsp(OtBu)-OH
作者:Abdallah Hamzé、Jean-François Hernandez、Jean Martinez
DOI:10.1016/s0040-4039(03)01471-0
日期:2003.8
Fmoc-(R)-β-HomoAsp(OtBu)-OH was used for the synthesis of both (R) and (S) enantiomers of various Fmoc-protected 3-substituted 1,2,4-oxadiazole-containing β3-amino acids. The 1,2,4-oxadiazole heterocycle was formed using sodium acetate, a Fmoc-compatible and efficient catalyst for cyclodehydration.
将Fmoc-([R)-β-HomoAsp(O吨卜)-OH用于两者(合成- [R )和(小号的)对映体的各种Fmoc保护的3-取代的含1,2,4-恶二唑-β 3 -氨基酸。1,2,4-恶二唑杂环是使用乙酸钠(一种Fmoc相容且有效的环脱水催化剂)形成的。