4-Formyl-phenyl 2,3,4,6-tetra-O-acetyl-β-d-allopyran-oside.

4-Formyl-phenyl 2,3,4,6-tetra-O-acetyl-β-d-allopyran-oside.
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DOI:
10.1107/s1600536809018248
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发表时间:
2009-05-20
期刊:
Acta crystallographica. Section E, Structure reports online
影响因子:
--
通讯作者:
Li Y
Li Y
中科院分区:
其他
文献类型:
--
作者:
Ye D;Zhang K;Chen HF;Yin SF;Li Y

文献摘要

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标题化合物C21 H24 O 11仅以β-端基异构体结晶。C-3位被保护糖的取代基位于轴向位置,而所有其他基团位于赤道位置。吡喃糖苷环采用稳定的椅式构象。
The title compound, C21H24O11, crystallizes exclusively as the β-anomer. The substituent of the protected sugar at position C-3 is in the axial position, while all other groups are in equatorial positions. The pyran­oside ring adopts a stable chair conformation.