Effective cation-assisted chirality induction using a dibenzo-diaza-30-crown-10 with bis(zinc(ii) porphyrin) units

Literature Information

Publication Date 2004-05-14
DOI 10.1039/B403684K
Impact Factor 6.222
Authors

Yuji Kubo, Yusuke Ishii, Toshiharu Yoshizawa, Sumio Tokita


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Abstract

The first rationalized crown ether–bis(porphyrin) conjugate with a large ring-based conformation flexiblity 1 has been synthesized; the achiral-to-chiral transformation upon complexation with chiral diamines is assisted by K+ accommodated in the crowned moiety, and it is possible to determine the chirality of carboxylates as potassium salts.

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