作者:Markus Heinrich、Amelie Bartuschat、Nina Hegmann
DOI:10.1055/s-0037-1610304
日期:2019.2
building blocks for peptides since they allow conformational fixation of peptidyl–CO–N-prolyl bonds in the unusual cis conformation. The stereoselective syntheses of these dimethylaminomethyl-prolines is achieved from literature-known precursors with overall yields of 23% [over 8 steps for (2S,5S)dmamPro], 33% [over 9 steps for (2S,5S)N-Boc-amPro] and 12% [over 8 steps for (2R,5R)dmamPro]. The applicability
摘要 脯氨酸衍生物(2 S,5 S)dmamPro,(2 S,5 S)N -Boc-amPro和(2 R,5 R)dmamPro是肽的有用构建基块,因为它们可以使肽基–CO–N进行构象固定-脯氨酸键以不寻常的顺式构象存在。这些二甲基氨基甲基脯氨酸的立体选择性合成是从文献已知的前体中实现的,总收率为23%[(2 S,5 S)dmamPro的8步],33%[(2 S,5 S的9步)N -Boc-amPro]和12%[对于(2 R,5R)dmamPro]。通过制备Fmoc-Val-amPro-OMe二肽证明了(2 S,5 S)N -Boc-amPro在肽合成中的适用性。 脯氨酸衍生物(2 S,5 S)dmamPro,(2 S,5 S)N -Boc-amPro和(2 R,5 R)dmamPro是肽的有用构建基块,因为它们可以使肽基–CO–N进行构象固定-脯氨酸键以不寻常的顺式构象存在。这些二甲基氨