A. Lubineau et al., STEREOSELECTIVITY CONTROL IN ANOMERIC O-ALKYLATION - APPLICATION TO THE SYNTHESIS OF C-2 SYMMETRICAL GLYCOCONJUGATES, Tetrahedron letters, 38(23), 1997, pp. 4087-4090
Tetrabutylammonium sits strongly influence the stereoselectivity of O-
anomeric alkylation and allows to shift from beta to alpha selectivity
. Allyl glucosaminide 7 prepared in this way, was used to synthesize t
he new type of C-2 symmetric neoglycoconjugates 1a-c. (C) 1997 Elsevie
r Science Ltd.