Synthesis of glycopeptides containing the amino acid sequence 17-23 of bovine pancreatic deoyxribonuclease
作者:Hari G. Garg、Roger W. Jeanloz
DOI:10.1016/s0008-6215(00)84581-4
日期:1980.11
6-tri-O-acetyl-1-N-[N-benzyloxycarbonyl)-L-aspart-1-oyl-(L-alan yl-L-threonyl-L-leucyl-L-alanyl-L-serine p-nitrobenzyl ester)-4-oyl]-2-deoxy-beta-D-glucopyranosylamine (7), which span the amino acid sequence 17-23 of bovine pancreatic deoxyribonuclease A and contain a 2-acetamido-2-deoxy-D-glucose residue, were synthesized. On treatment with lithium hydroxide, the blocked glycohexapeptide 7 gave 2-acetamido-1-N-[N
2-乙酰氨基-3,4,6-三-O-乙酰基-1-N- [N-(苄氧羰基-L-丝氨酰)-L-天冬氨酸-1-基-(对硝基苄基酯)-4-基] -2-脱氧-β-D-吡喃葡萄糖胺,2-乙酰氨基-3,4,6-三-O-乙酰基-1-N- [N-(苄氧羰基-L-丝氨酰)-L-天冬氨酸-1-oyl -(L-丙氨酸甲酯)-4-酰基] -2-脱氧-β-D-吡喃葡萄糖胺和2-乙酰氨基-3,4,6-三-O-乙酰基-1-N- [N-苄氧基羰基) -L-天门冬氨酰基-(L-丙氨酰基-L-苏氨酰基-L-亮氨酸-L-丙氨酰基-L-丝氨酸对硝基苄基酯)-4-Oyl] -2-脱氧-β-D-吡喃葡萄糖胺合成了(7),其跨越牛胰腺脱氧核糖核酸酶A的氨基酸序列17-23,并且包含2-乙酰氨基-2-脱氧-D-葡萄糖残基。用氢氧化锂处理后