冠醚分子内 threading 与弱相互作用的叔铵轴：手性假轮烷结构的生成。
Calix[6]arene threading with weakly interacting tertiary ammonium axles: generation of chiral pseudorotaxane architectures.
机构信息
Dipartimento di Chimica e Biologia, Università di Salerno , Via Giovanni Paolo II 132, I-84084 Fisciano, Salerno, Italy.
出版信息
Org Lett. 2015 Feb 20;17(4):1006-9. doi: 10.1021/acs.orglett.5b00115. Epub 2015 Feb 3.
PMID:25647641
Abstract
The TFPB "superweak anion" effectively induces the threading of a scarcely preorganized calix[6]arene (1) with weakly interacting tertiary ammonium axles (2(+)-3(+)). The pseudorotaxanes (4(+)-5(+)) thus formed show an unexpected chirality due to an unprecedented formation of a threading-induced stereogenic ammonium center.
摘要
TFPB“超弱阴离子”有效地诱导了几乎没有预组织的杯[6]芳烃（1）与弱相互作用的叔铵轴（2(+)-3(+))的穿线。由此形成的假轮烷（4(+)-5(+))由于前所未有的穿线诱导的手性铵中心的形成而表现出意想不到的手性。
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