作者:Łucja Nakonieczna、Andrzej Chimiak
DOI:10.1055/s-1987-27971
日期:——
The concept of transient hydroxylamine oxygen protection for the unambiguous synthesis of N-hydroxyamides has been applied in the amino acid field. First, hydroxylamines 1 were silylated in pyridine with chlorotrimethylsilane; then 2 was immediately N-acylated with mixed anhydride 3 of a protected amino acid or peptide; and finally, the O-trimethylsilyl protection was removed during the isolation procedure giving pure N-hydroxyamides 5.
在氨基酸领域,已经应用了羟胺氧保护的瞬态概念,用于明确合成N-羟基酰胺。首先,羟胺1在吡啶中与氯三甲基硅烷进行硅基化反应;接着,2立即与保护氨基酸或肽的混合酐3进行N-酰化反应;最后,在分离过程中移除O-三甲基硅基保护,得到纯净的N-羟基酰胺5。