Pierre Vogel
The 2,3,4,6-tetra-O-[(tert-butyl)dimethylsilyl]-C-beta -D- galactopyranosylformaldehyde (2,6-anhydro-1,3,4,6-tetra-O-[(tert-butyl)dimethylsilyl]-D-glycero-L-man no-heptose, 2) was condensed with isolevoglucosenone (3) in the presene e of Et(2)AII to give 1 ...
2001