Thermal Behaviours of Inclusion Compounds of Cholic Acid

Takayoshi Kimura Department of Chemistry, Kinki University, Higashi-Osaka, Osaka, 577, Japan

Hideiu Imamura Department of Chemistry, Kinki University, Higashi-Osaka, Osaka, 577, Japan

Michihiro Sugahara Department of Chemistry, Kinki University, Higashi-Osaka, Osaka, 577, Japan

Tadashi Arai Rigaku Corporation, Matsubara-cho, Akishima-shi, Tokyo, 196, Japan

Sadao Takagi Department of Chemistry, Kinki University, Higashi-Osaka, Osaka, 577, Japan

Abstract

Inclusion complexes of cholic acid with acetophenone, methanol and ethanol have been studied by thermoanalytical methods (TG-DTA-MS, DSC, DRC-TG). Liberation processes of the guest molecules were not a single step. The initial elimination reaction was assigned to the first order decay. The elimination temperatures and their activation enthalpies are determined.

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Thermal Behaviours of Inclusion Compounds of Cholic Acid

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