Introduction of hydrophilic groups onto the ortho-position of benzoate anions induced phase separation of the corresponding ionic liquids with water

Ando, Takashi; Kohno, Yuki; Nakamura, Nobuhumi; Ohno, Hiroyuki

Introduction of hydrophilic groups onto the ortho-position of benzoate anions induced phase separation of the corresponding ionic liquids with water

2013

Ando, Takashi | Kohno, Yuki | Nakamura, Nobuhumi | Ohno, Hiroyuki

Ionic liquids (ILs) composed of tetrabutylphosphonium cations and benzoate anion derivatives with hydrophilic hydroxyl or carboxyl groups introduced onto the ortho-position were found to be less hydrophilic and showed phase separation with water, whereas unmodified benzoate-type IL was freely miscible with water.

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