A composition of the formula: ##STR1## wherein X is lower alkyl, and Z is an amino acid a peptide residue or a good leaving group, the composition is adaptable as a blocking or protecting group for an amine composition useful in peptide synthesis and a method of protecting an amino group of an organic molecule during a reaction which modifies a portion of the molecule other than the protected amino group.
该公式的组成:##STR1##其中X是低级烷基,Z是
氨基酸、肽残基或良好的离去基团,该组合物可作为阻断或保护
氨基组合物在肽合成中有用的保护基或保护基,以及在改变分子的受保护
氨基组以外的部分时保护有机分子的
氨基的方法。