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The optically active cationic surfactant (1R,2S)-(−)-N-dodecyl-N-methylephedrinium bromide (DMEB) was immobilized on montmorillonite (M) via cation exchange. XRD studies revealed that the resulting hydrophobic clay organocomplex dodecylmethylephedrinium–montmorillonite (DME–M) underwent a pronounced swelling in ethanol, tetrahydrofuran and toluene. The catalytic behaviour of the heterogenized surfactant...
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