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Paper | Regular issue | Vol 57, No. 5, 2002, pp.825-855
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9437
Synthesis of Asymmetric Dibenzophosphole 5-Oxides: The First Dibenzophosphole-based Family of Compounds with Liquid Crystalline Behaviour

Ernesto Durán, Dolores Velasco, and Francisco López-Calahorra*

*Departamento de Química Orgánica, Universitat de Barcelona, Martí Franques, 1-11, E-08028 Barcelona, Spain


A synthesis of a new family of chiral dibenzophosphole 5-oxides is described. Using high-yield known reactions we report a method for the synthesis and optical resolution of chiral dibenzophospholes from an unsubstituted system. These molecules are the first examples of a new asymmetrically substituted dibenzophosphole-based group of systems with liquid crystal properties.