N,N-二甲基甲酰胺二甲基缩醛 、 (2S,4S,5S,6R)-5-Acetylamino-4-(tert-butyl-dimethyl-silanyloxy)-6-[(1S,2R)-3-(tert-butyl-dimethyl-silanyloxy)-1,2-dihydroxy-propyl]-2-methoxy-tetrahydro-pyran-2-carboxylic acid methyl ester 生成
Methyl-5-acetylamino-4,9-bis-O-(tert-butyldimethylsilyl)-3,5,7-tridesoxy-7-iodo-β-D-glycero-L-altro-2-nonulopyranosidonsaeure-methylester 、
Methyl-5-acetylamino-4,9-bis-O-(tert-butyldimethylsilyl)-3,5,7-tridesoxy-8-O-formyl-7-iod-β-D-glycero-L-altro-2-nonulopyranosidonsaeure-methylester 、 Methyl-5-acetylamino-4,9-bis-O-(tert-butyldimethylsilyl)-3,5,8-tridesoxy-7-O-formyl-8-iod-α-L-glycero-D-galacto-2-nonulopyranosidonsaeure-methylester