A new biphenyl-20-crown-6-derived zinc(II) porphyrin dimer with a potentially heterotropic allostery

Synthesis of a new bis-porphyrinic system coupled with biphenyl-20-crown-6 as an allosteric spacer, 1, is described; the incorporated rotatable biphenyl unit is capable of regulating the porphyrin center-to-center distance by an encapsulated metal ion in the crown-strapped cavity, so that the system...

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Bibliographic Details
Published in:Tetrahedron letters 1999-08, Vol.40 (33), p.6019-6023
Main Authors: Kubo, Yuji, Murai, Yasuaki, Yamanaka, Jun-ichi, Tokita, Sumio, Ishimaru, Yoshihiro
Format: Article
Language:English
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Summary:Synthesis of a new bis-porphyrinic system coupled with biphenyl-20-crown-6 as an allosteric spacer, 1, is described; the incorporated rotatable biphenyl unit is capable of regulating the porphyrin center-to-center distance by an encapsulated metal ion in the crown-strapped cavity, so that the system displayed a potentially heterotropic allostery at the binding stage with a certain stereogenic α,ω-diamine guest, 2. Synthesis of a new bis-porphyrinic system coupled with biphenyl-20-crown-6 as an allosteric spacer, 1, is described. The system displayed a potentially heterotropic allostery at the binding stage with a certain stereogenic α, ω-diamine.
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(99)01187-9