Synthesis of a Novel Tricyclic Dipeptide Template and Its Incorporation into a Cyclic Peptide Mimetic Containing an NPNA Motif
作者:Marc E. Pfeifer、Anthony Linden、John A. Robinson
DOI:10.1002/hlca.19970800514
日期:1997.8.11
4S)-4-aminoproline (Pro(NH2)) and (S)-2-(carboxymethyl)proline (Pro(CH2COOH)) as a diketopiperazine, has been synthesized in a form suitable for solid-phase peptide synthesis using Fmoc chemistry. This template was incorporated into the cyclic molecule cyclo(-Ala1-Asn2-Pro3-Asn4-Ala5-Ala6-Temp-) (Temp = template), whose conformation in H2O was studied by NMR methods. Average solution structures derived by restrained
一种新型三环二肽模板,通过偶合(2 S,4 S)-4-氨基脯氨酸(Pro(NH 2)和(S)-2-(羧甲基)脯氨酸(Pro(CH 2 COOH))作为二酮哌嗪而正式形成已使用Fmoc化学合成了适合于固相肽合成的形式的。该模板被并入环状分子环(-Ala 1 -Asn 2 -Pro 3 -Asn 4 -Ala 5 -Ala 6 -Temp-)(Temp =模板),其构象在H 2中通过NMR方法研究了O。由受约束的模拟退火得出的平均溶液结构指向Asn-Pro-Asn-Ala基序内的高度密集的βI-转弯,并且还指示模板可能更喜欢哪些构象。