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2005•Organic LettersRequires access

Chiral Bis-chlorin: Enantiomer Resolution and Absolute Configuration Determination

Victor Borovkov, Atsuya Muranaka, Guy A. Hembury, Yumi Origane, Г. В. Пономарев, Nagao Kobayashi, Yoshihisa Inoue

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Abstract

[structure: see text] A racemic mixture of the ethane-bridged bis(zinc octaethylchlorin) was successfully resolved for the first time to yield two enantiomers that exhibit substantial CD signals in the regions of chlorin B and Q transitions. The absolute configuration of the corresponding enantiomers was assigned and the origin of its high optical activity was rationalized through a combined spectral, crystallographic, and theoretical analysis.

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[structure: see text] A racemic mixture of the ethane-bridged bis(zinc octaethylchlorin) was successfully resolved for the first time to yield two enantiomers that exhibit substantial CD signals in the regions of chlorin B and Q transitions. The absolute configuration of the corresponding enantiomers was assigned and the origin of its high optical activity was rationalized through a combined spectral, crystallographic, and theoretical analysis.

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Available abstract

[structure: see text] A racemic mixture of the ethane-bridged bis(zinc octaethylchlorin) was successfully resolved for the first time to yield two enantiomers that exhibit substantial CD signals in the regions of chlorin B and Q transitions. The absolute configuration of the corresponding enantiomers was assigned and the origin of its high optical activity was rationalized through a combined spectral, crystallographic, and theoretical analysis.

Key concepts: Absolute configuration, Chemistry, Chlorin, Enantiomer, Resolution (logic), Stereochemistry, Absolute (philosophy), Organic chemistry

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