期刊
ORGANIC LETTERS
卷 12, 期 3, 页码 636-638出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol902877w
关键词
-
资金
- Ministry of Education, Culture, Sports, Science and Technology [WAKATE B-21750140]
A new nonsymmetric pillar[5]arene of ethoxymethoxypillar[5]arene (EMpillar[5]arene) has been synthesized. By 2D ROESY analysis of EMpillar[5]arene, the ethoxy and methoxy moieties were completely separated at the upper and lower rims, respectively. Moreover, by the variable-temperature (1)H NMR measurements of EMpillar[5]arene, the rotational movement of phenolic units in EMpillar[5]arene was slow on the NMR time scale or did not occur.
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