Family of Conglomerate-Forming Systems Composed of Chlocyphos and Alkyl-amine. Assessment of Their Resolution Performances by Using Various Modes of Preferential Crystallization

Abstract : The present study aimed at screening conglomerate derivatives of racemic chlocyphos (4-(2-chlorophenyl)-5,5-dimethyl-2-hydroxy-1,3,2-dioxaphosphorinane 2-oxide) and to perform enantiomeric separation by preferential crystallization. A list of more than 20 chlocyphos salt derivatives were characterized by various techniques (SHG, DSC, and X-ray powder diffraction). A family of salts formed with various alkyl amines crystallizing as conglomerates is evidenced. The first attempts to resolve these conglomerates by preferential crystallization at small scale were successful. The mitigated performances of these entrainments are discussed.
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Soumis le : jeudi 24 octobre 2019 - 15:47:17
Dernière modification le : mardi 29 octobre 2019 - 09:17:02

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Aliou Mbodji, Gabin Gbabode, Morgane Sanselme, Nicolas Couvrat, Michel Leeman, et al.. Family of Conglomerate-Forming Systems Composed of Chlocyphos and Alkyl-amine. Assessment of Their Resolution Performances by Using Various Modes of Preferential Crystallization. Crystal Growth and Design, American Chemical Society, 2019, 9 (19), pp.5173-5183. ⟨10.1021/acs.cgd.9b00568⟩. ⟨hal-02276971⟩

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