Studies on peptides. CXXXV. Preparation of seven peptide fragments for the synthesis of human calcitonin gene-related peptide (hCGRP).
作者:NOBUTAKA FUJII、AKIRA OTAKA、SUSUMU FUNAKOSHI、MOTOYOSHI NOMIZU、KENICHI AKAJI、HARUAKI YAJIMA、KOUKI KITAGAWA、TADASHI AKITA、KENSHI ANDO、TATSUHIKO KAWAMOTO
DOI:10.1248/cpb.34.603
日期:——
Seven peptide fragments were synthesized by known amide-forming reactions as building blocks for the solution-phase synthesis of the heptatriacontapeptide amide corresponding to the entire amino acid sequence of human calcitonin gene-related peptide (hCGRP). S-1-Adamantyl-cysteine [O. Nishimura, C. Kitada, and M. Fujino, Chem. Pharm. Bull., 26, 1576 (1978)] was employed, together with amino acid derivatives bearing protecting groups removable by 1 M trifluoromethanesulfonic acid-thioanisole in trifluoroacetic acid.
七个肽片段通过已知的酰胺形成反应合成,作为溶液相合成与人类降钙素基因相关肽(hCGRP)完整氨基酸序列相对应的七十氨基肽酰胺的构建块。采用了S-1-亚当烷基半胱氨酸 [O. Nishimura, C. Kitada, 和 M. Fujino, Chem. Pharm. Bull., 26, 1576 (1978)],同时使用了具有保护基团的氨基酸衍生物,这些保护基团可通过1 M三氟甲磺酸-硫醇醚在三氟乙酸中去除。