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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Inclusion properties of 11b-substituted 2,3,5,6,11,11b-hexahydro-3-oxo-1H-indolizino[8,7-b]indole-5-carboxylic acid esters. New chiral host compounds derived from L-tryptophan
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Inclusion properties of 11b-substituted 2,3,5,6,11,11b-hexahydro-3-oxo-1H-indolizino[8,7-b]indole-5-carboxylic acid esters. New chiral host compounds derived from L-tryptophan

机译:11b-取代的2,3,5,6,11,11b-六氢-3-氧代-1H-吲哚并[8,7-b]吲哚-5-羧酸酯的包合性质。衍生自L-色氨酸的新手性主体化合物

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摘要

New chiral host compounds have been prepared from L-tryptophan and 3-aroylpropionic acids. These hosts show broad inclusion and sorption abilities toward solvent and racemic molecules, and are characterized by X-ray crystallographic analysis, which clarify the one-dimensional channel structures of the hosts, the helical arrangements of the guests, and the occurrence of weak interactions such as C-H center dot center dot center dot O and C-H center dot center dot center dot Cl between the hosts and the guests. The TG and DTA data show the high cohesion of the hosts, and the PXRD patterns indicate that the crystal structures of the hosts remain ordered after removal of the guest molecules. These hosts have potential usefulness in the optical resolution of racemic guest molecules such as s-butyl chloride and 4-methylcyclohexene.
机译:由L-色氨酸和3-芳酰基丙酸制备了新的手性主体化合物。这些主体对溶剂和外消旋分子表现出广泛的包容和吸附能力,并具有X射线晶体学分析的特征,X射线晶体学分析阐明了主体的一维通道结构,客体的螺旋排列以及弱相互作用的发生,例如作为CH中心点中心点中心点O和CH中心点中心点中心点Cl在主人和客人之间。 TG和DTA数据显示了主体的高内聚力,PXRD图谱表明,去除客体分子后,主体的晶体结构保持有序。这些主体在外消旋客体分子(例如仲丁基氯和4-甲基环己烯)的旋光拆分中具有潜在的用途。

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