β‐Cycloaltrin: A Cyclooligosaccharide Consisting of Seven α(1 → 4)‐Linked Altropyranoses

β‐Cycloaltrin: A Cyclooligosaccharide Consisting of Seven α(1 → 4)‐Linked Altropyranoses
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β-Cycloaltrin:由七个 α(1 → 4)-连接的吡喃丙糖组成的环低聚糖

DOI:
10.1002/anie.199516211
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发表时间:
1995
期刊:
影响因子:
--
通讯作者:
T. Koga
T. Koga
中科院分区:
--
文献类型:
--
作者:
Kahee Fujita;Hideaki Shimada;Kazuko Ohta;Yasuyoshi Nogami;Kyoko Nasu;T. Koga

文献摘要

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一种令人惊讶的简单方法-在回流水中加热每个- 2,3 -无水- (2S) - β -环糊精-以73%的收率提供了新的环低聚糖β -环糊精(1)。在这一步水解中,环打开导致每个糖单元的异位。1的包含属性应该很有趣。
A surprisingly simple approach—heating per‐2, 3‐anhydro‐(2S)‐β‐cyclodextrin in water at reflux—provides the novel cyclooligosaccharide β‐cycloaltrin (1) in 73% yield. In this one‐step hydrolysis, ring opening results in the altro configuration in every sugar unit. The inclusion properties of 1 should be interesting.