PH-RESPONSIVE MOLECULAR RECOGNITION BY A WATER-SOLUBLE CYCLOPHANE BEARING L-ASPARTATE MOIETIES

被引:9
作者
KIKUCHI, J [1 ]
EGAMI, K [1 ]
SUEHIRO, K [1 ]
MURAKAMI, Y [1 ]
机构
[1] KYUSHU UNIV, FAC ENGN, DEPT CHEM SCI & TECHNOL, HIGASHI KU, FUKUOKA 812, JAPAN
关键词
D O I
10.1246/cl.1992.1685
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel water-soluble cyclophane host bearing four pH-sensitive tentacles was prepared from 1,6,20,25-tetraaza[6.1.6.1]paracyclophane and L-aspartic acid. The host was found to exist primarily as tetracationic and tetraanionic species in pH ranges below 1 and above 11, respectively, and to exhibit pH-responsive molecular recognition toward various aromatic guests.
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页码:1685 / 1688
页数:4
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