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A chiral spirobifluorene-based bis(salen) zinc(ii) receptor towards highly enantioselective binding of chiral carboxylates†

* Corresponding authors

a Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
E-mail: akine@se.kanazawa-u.ac.jp

b Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan

Abstract

We have designed a new chiral receptor based on two salen zinc(II) complex units connected with a spirobifluorene framework. The chiral receptor is proven to enantioselectively bind chiral carboxylate guests and the differences between the binding constants of enantiomeric guests were up to more than one order of magnitude.

Graphical abstract: A chiral spirobifluorene-based bis(salen) zinc(ii) receptor towards highly enantioselective binding of chiral carboxylates
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Supplementary files

Article information

Article type
Communication
Submitted
21 Jan 2021
Accepted
22 Feb 2021
First published
24 Feb 2021

Dalton Trans., 2021,50, 4119-4123

A chiral spirobifluorene-based bis(salen) zinc(II) receptor towards highly enantioselective binding of chiral carboxylates

S. A. Ikbal, Y. Sakata and S. Akine, Dalton Trans., 2021, 50, 4119 DOI: 10.1039/D1DT00218J

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