期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 132, 期 21, 页码 7297-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja102480t
关键词
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资金
- National Science Foundation of China [20725206, 20732004]
- Program for Changjiang Scholars and Innovative Research Team in University
- Key Project of Chinese Ministry of Education in China
- U.S. National Science Foundation [CHE-0717995]
An optically active BINOL-terpyridine based Cu(II) complex (R)-2 was prepared. Sonication of (R)-2 in CHCl3 led to the formation of a stable gel. The interaction of this gel with chiral amino alcohols was studied. It was found that (S)-phenylglycinol (0.10 equiv) could break the gel network of (R)-2 (3.75% w/v, g/mL) in CHCl3 to cause gel collapsing but (R)-phenylglycinol (0.10 equiv) could not. Similar enantioselective gel collapsing was also observed with (R)- and (S)-1-amino-2-propanol. This study demonstrates that chiral molecular gels are potentially useful for visual chiral discrimination. Complex (R)- 2 in solution also exhibited significant enantioselective fluorescent enhancement in the presence of a variety of amino alcohols.
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