Structures and fusion parameters of methoxycarbonyl-benzenes and -naphthalenes |
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Authors: | Yasuhiko Dozen Shizu Fujishima Haruo Shingu |
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Affiliation: | Government Industrial Research Institute, Osaka, Ikeda-shi, Osaka 563 Japan;Department of Hydrocarbon Chemistry, Faculty of Engineering, Kyoto University, Sakyo-ku, Kyoto 606 Japan |
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Abstract: | The heats of fusion of methoxycarbonyl-benzenes (12 isomers) and -naphthalenes (32 isomers) have been determined by the differential scanning calorimetric method and the correlation of numbers and positions of methoxycarbonyl groups against the parameters of fusion (melting point, enthalpy and entropy) are discussed. The enthalpy—entropy relationship shows two correlation lines depending on the symmetry of the molecules including the positions of the substituents. |
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