An approach to the highly stereocontrolled synthesis of α-glycosides. Compatible use of the very acid labile dimethoxytrityl protecting group with Yb(OTf)3-promoted glycosidation
The very acid labile dimethoxytrityl group is demonstrated to survive Yb(OTf)3-promoted glycosidations with N-phenyl trifluoroacetimidates as the donors. In addition, the installation of this sterically demanding protecting group at the primary
Get Best Price for607714-23-82,2,2-Trifluoro-N-phenyl-acetimidic acid (3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-pyran-2-yl ester