The present invention provides a production method of a protected amino acid, protected peptide or peptide, including precipitation and solid-liquid separation of C-protected amino acid or C-protected peptide in a solvent containing water-containing acetonitrile, after removing the N-terminal protecting group from N-protected C-protected amino acid or N-protected C-protected peptide wherein the C-terminal carboxy group is protected by an anchor group.
本发明提供了一种保护
氨基酸、保护肽或肽的生产方法,包括在含有含
水乙腈的溶剂中沉淀和固液分离C-保护
氨基酸或C-保护肽,从N-保护C-保护
氨基酸或N-保护C-保护肽中去除N-端保护基,其中C-端羧基由锚定基保护。