p. 1849 - 1853
(2007/10/03){[(E)-Benzyloxycarbonylimino]-[(2S,3R,4S,6R)-4-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-3-methyl-6-(2-oxo-propyl)-piperidin-1-yl]-methyl}-carbamic acid benzyl ester
t-butyldimethylsiyl triflate
[(1S,2R)-1-(tert-Butyl-dimethyl-silanyloxymethyl)-2-methyl-3-oxo-propyl]-carbamic acid benzyl ester
4-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-3-methyl-6-(2-oxo-propyl)-piperidine-1-carboxylic acid benzyl ester
[(1S,2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-1-(tert-butyl-dimethyl-silanyloxymethyl)-2-methyl-5-oxo-pentyl]-(2,2,2-trifluoro-acetyl)-carbamic acid benzyl ester
(3R,4aS,6S,7R,8S)-1-[(E)-Benzyloxycarbonylimino]-6-(tert-butyl-dimethyl-silanyloxy)-8-(tert-butyl-dimethyl-silanyloxymethyl)-3,7-dimethyl-hexahydro-pyrido[1,2-c]pyrimidine-2-carboxylic acid benzyl ester
[6-(tert-butyl-dimethyl-silanyloxy)-8-(tert-butyl-dimethyl-silanyloxymethyl)-3,7-dimethyl-4,4a,5,6,7,8-hexahydro-3H-pyrido[1,2-c]pyrimidin-1-yl]-carbamic acid benzyl ester
((3R,4aS,6S,7R,8S)-6-Hydroxy-8-hydroxymethyl-3,7-dimethyl-4,4a,5,6,7,8-hexahydro-3H-pyrido[1,2-c]pyrimidin-1-yl)-carbamic acid benzyl ester