The large scale synthesis of three orthogonally protected monosaccharide scaffolds suitable for use in the solid phase preparation of large diversity libraries is presented. Scaffolds based on 2-amino-2-deoxy-d-glucopyranose, 2-amino-2-deoxy-d-allopyranose, and 2,4-diamino-2,4-dideoxy-d-galactopyranose were prepared in good yield and with minimal chromatographic purification from commercially available methyl 2-azido-2-deoxy-1-thio-β-d-glucopyranose and methyl 2-amino-2-deoxy-1-thio-β-d-glucopyranose.
本文介绍了适合用于固相制备大型多样性文库的三种正交保护
单糖支架的大规模合成。基于 2-
氨基-2-
脱氧-d-
吡喃
葡萄糖、2-
氨基-2-
脱氧-d-
吡喃全糖和
2,4-二
氨基-
2,4-二
脱氧-d-
吡喃半
乳糖的支架以良好的收率和最低的色谱纯化率从市售的
甲基 2-
叠氮-2-
脱氧-1-
硫代-β-d-
吡喃
葡萄糖和
甲基 2-
氨基-2-
脱氧-1-
硫代-β-d-
吡喃
葡萄糖制备出来。