Efficient axial chirality induction in biphenyldiol triggered by proton-transferred hydrogen bonding with chiral amine.

Efficient axial chirality induction in biphenyldiol triggered by proton-transferred hydrogen bonding with chiral amine.
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通过与手性胺的质子转移氢键触发联苯二酚的有效轴向手性诱导。

DOI:
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发表时间:
2005
影响因子:
3.2
通讯作者:
H. Ogoshi
H. Ogoshi
中科院分区:
化学3区
文献类型:
--
作者:
Hideki Takagi;T. Mizutani;T. Horiguchi;S. Kitagawa;H. Ogoshi

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联苯二酚与手性胺结合后,在低温下可诱导出轴向手性,手性诱导效率大大提高。在低温下,两个胺分子与联苯二酚结合。随着联苯二酚和胺之间形成质子转移氢键,不对称g因子的值增大。这些结果表明,质子转移氢键在构建高度有序的手性组装中起着重要作用。
Axial chirality was induced in biphenyldiol upon binding chiral amines with the efficiency of chiral induction much improved at low temperature. At low temperatures, two molecules of amine were bound to biphenyldiol. The value of the dissymmetric g-factor increased as proton-transferred hydrogen bonds formed between biphenyldiol and amine. These results indicate that proton-transferred hydrogen bonding plays an important role in constructing a highly ordered chiral assembly.
DOI: 10.1021/ja010249w
发表时间: 2001-06-27
影响因子: 15
作者:
Kurtán, T;Nesnas, N;Berova, N
通讯作者: Berova, N