Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Isolation of Two Conformationally Frozen Isomers of a Bridged Calix[6]arene
Toshiyuki SaikiKei Goto, and Renji Okazaki
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1996 Volume 25 Issue 11 Pages 993-994

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Abstract

Two conformationally frozen isomers of a 1,4-bridged calix[6]arene, one of which is a cone conformer while the other adopts a 1,2,3-alternate conformation, have been isolated by silica-gel chromatogarphy. The interconversion between them was not observed even after heating either of them at 120 °C.

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© 1996 The Chemical Society of Japan
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