SEARCH Articles Figures Tables Coupling reactivity Effect on reactivity Effective coupling Efficiency and effectiveness Efficiency,effect Glycosyl couplings, /?-stereoselective Glycosyl group Glycosylation stereoselectivity Glycosylations glycosylation Stereoselective Group 12 reactivity Group efficiency Protecting coupling efficiency Protecting glycosylation stereoselectivity Protecting stereoselectivity Protecting-group effect Protection effects Protective effects Protective groups reactivities Reactive coupling Reactive groups Reactivity effects Stereoselective effects Stereoselective glycosylation Stereoselectivity and Stereoselectivity groups