作者:Raynald Demange、Carine Bühlmann、Pierre Vogel
DOI:10.1002/hlca.200390037
日期:2003.2
7-tetra-O-benzyl-D-glycero-D-gulo-heptose (5) gave an enone 6 that was converted with high stereoselectivity to 3-C-[(1R)-2,6-anhydro-D-glycero-D-gulo-heptitol-1-C-yl]-2,3-dideoxy-D-arabino-hexose (1; 1 : 1 mixture of α- and β-D-pyranose), and to 3-C-[(1R)-2,6-anhydro-D-glycero-D-gulo-heptitol-1-C-yl]-2,3-dideoxy-D-lyxo-hexose (2; 2.7 : 1.4 : 1.0 : 1.4 mixture of α-D-furanose, β-D-furanose, α-D-pyranose
所述OshimaNozaki(ET 2 ALI)isolevoglucosenone(缩合4)与2,6-脱水3,4,5,7-四- ø -苄基-D-甘油- D-庚-heptose(5),得到烯酮6被转换高立体选择性,以3- ç - [(1 - [R)-2,6-脱水-D-甘油- D-庚-heptitol -1- ç基] -2,3-二脱氧D-阿拉伯-己糖(1 ; 1:1个混合物α -和β -D-吡喃糖),以及3- ç - [(1 - [R基)-2,6-脱水-D-甘油- D-庚-heptitol -1- Ç基] -2,3-二脱氧D-来苏-hexose(2 ; 2.7:1.4:1.0:1.4的混合物α - D-呋喃糖,β -D-呋喃糖,α -D-吡喃糖和β -D-吡喃糖)。所述OshimaNozaki(ET 2 levoglucosenone(的ALI)缩合17)与醛5,得到烯酮18,将其转变高立体选择性,以3-