Carbohydrate mimic of 2-deoxystreptamine for the preparation of conformationally constrained aminoglycosides
作者:Guuske F. Busscher、Sebastiaan (Bas) A.M.W. van den Broek、Floris P.J.T. Rutjes、Floris L. van Delft
DOI:10.1016/j.tet.2007.02.006
日期:2007.4
The synthesis of a carbohydrate mimic of 2-deoxystreptamine (2-DOS) is described starting from d-ribose. Crucial steps of the synthesis involve a stereoselective nitroaldol condensation and deoxygenation via elimination–in situ reduction. Moreover, glycosylation of the carbohydrate 2-DOS derivative with a phenyl thioglycoside donor in the presence of TTBP and AgOTf followed by ring-closing metathesis