THE FACILE SYNTHESIS OF ALA-GLU-TYR(P)-SER-ALA BY GLOBAL DI-TERT-BUTYL N,N-DIETHYLPHOSPHORAMIDITE PHOSPHITE-TRIESTER PHOSPHORYLATION OF A RESIN-BOUND PEPTIDE

被引:28
作者
PERICH, JW [1 ]
NGUYEN, DL [1 ]
REYNOLDS, EC [1 ]
机构
[1] UNIV MELBOURNE,SCH DENT SCI,BIOCHEM & MOLEC BIOL UNIT,MELBOURNE,VIC 3000,AUSTRALIA
关键词
SOLID-PHASE SYNTHESIS; HBTU; PHOSPHORYLATION; DI-T-BUTYL N; N-DIETHYLPHOSPHORAMIDITE; TYR(P)-CONTAINING PEPTIDE;
D O I
10.1016/0040-4039(91)80620-L
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The O-phosphotyrosyl-containing peptide, Ala-Glu-Tyr(P)-Ser-Ala, was prepared by a methodology which featured 'phosphite-triester' phosphorylation of a resin-bound Tyr-containing peptide. The peptide-resin was assembled by Fmoc/solid-phase peptide synthesis using HBTU as the coupling reagent and the tyrosyl residue incorporated as Fmoc-Tyr-OH. The peptide-resin was phosphorylated using di-t-butyl N,N-diethylphosphoramidite/1H-tetrazole followed by m-chloroperoxybenzoic acid oxidation. Simultaneous peptide-resin cleavage and peptide deprotection was effected by 5% anisole/TFA to give the crude Tyr(P)-peptide in high yield and in > 95% purity.
引用
收藏
页码:4033 / 4034
页数:2
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