2-deoxy-3-O-(tert-butyldiphenylsilyl)-4,5-bis-O-(1-methylethylidene)-D-erythro-pentose

ethyl (5S)-(6E)-5-tert-butyldiphenylsilyloxy-7-formyl-6-heptenoate

ethyl (5S)-(6E)-5-tert-butyldiphenylsilyloxy-8-hydroxy-6-octenoate

(E)-(S)-8-Bromo-5-(tert-butyl-diphenyl-silanyloxy)-oct-6-enoic acid ethyl ester

(5S,6R)-5-(tert-Butyl-diphenyl-silanyloxy)-6,7-dihydroxy-heptanoic acid ethyl ester