Using the recently synthesized building block L-Fmoc-Abu[PO(OCH2-CHCH2)2]-OH, (5) phosphonopeptide isosteres of serine phosphopeptides are readily accessible by Fmoc-solid phase peptide synthesis.
                                    使用最近合成的结构单元L-Fmoc-Abu [PO(OCH 2 -CH = CH 2)2 ] -OH,
丝氨酸磷酸肽的(5)膦酰基肽等排体可通过Fmoc-固相肽合成容易地获得。