Ah. Klier et al., Synthesis of new five membered nitrogen containing heterocycles bearing D-galactose side chains, SYN COMMUN, 30(23), 2000, pp. 4361-4374
The synthesis of 5-[6'-deoxy-(1',2':3',4'-di-O- isopropylidene-alpha -D-gal
actopyranos-6'-yl)]tetrazole and its reaction with acetic anhydride and 1,2
:3,4-di-O-isopropylidene-6-O-(4-toluenesulfonyl)-alpha -D-galactopyranose a
re described.