Optically active molecular magnets

Michel Gruselle; Bernard Malézieux; Cyrille Train; Carine Guyard-Duhayon; René Clément; Sophie Bénard; Patrick Gredin; Kaia Tonsuaadu

doi:10.1117/12.639178

12 June 2006 Optically active molecular magnets

Michel Gruselle, Bernard Malézieux, Cyrille Train, Carine Guyard-Duhayon, René Clément, Sophie Bénard, Patrick Gredin, Kaia Tonsuaadu

Author Affiliations +

Proceedings Volume 5946, Optical Materials and Applications; 59460K (2006) https://doi.org/10.1117/12.639178
Event: Optical Materials and Applications, 2005, Tartu, Estonia

Abstract

We describe the synthesis of two-dimensional {[Mn^IICr^III(C₂O₄)₃]C} bimetallic networks that include as template cations C stilbazolium salts 4-[4-(N,N-dimethylamino)-α-styryl]-N-alkylpyridinium with alkyl = methyl (DAMS), 4-[4-methoxy- α-styryll-N-isopentylpyridinium (MIPS), and DAZOP, which is a DAMS analogue with the central [C=C] core replaced by an azo N=N] moiety. These networks are obtained in their optically active forms, using the resolved - or Λ- [Cr^III(C₂0₄)₃]^3- anionic bricks as chiral-inducing reagents. The UV-visible properties of the networks and their natural circular dichroism (Cotton effects) demonstrate that the MIPS, DAZOP, and DAMS become chiral in [Mn^IICr^III (C₂0₄)₃]^- anionic matrices. The absolute configurations of the template cations inside the anionic framework depend on the configuration of the starting anionic reagent.

Citation Download Citation

Michel Gruselle, Bernard Malézieux, Cyrille Train, Carine Guyard-Duhayon, René Clément, Sophie Bénard, Patrick Gredin, and Kaia Tonsuaadu "Optically active molecular magnets", Proc. SPIE 5946, Optical Materials and Applications, 59460K (12 June 2006); https://doi.org/10.1117/12.639178

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