Effects of a Solute Analogue p-Acetoacetanisidide on the Crystallization of p-Acetanisidide

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概要

• 論文の詳細を見る

• Crystallization of p-acetanisidide (PAC) was carried out in the presence of p-acetoacetanisidide (APAC) as a solute analogue impurity. Addition of APAC into the supersaturated solution of PAC did not affect the structure of crystals of PAC, but affected the nucleation and crystal growth and also the morphology (crystal shape) of PAC crystals. APAC made the induction period before the beginning of precipitation of PAC crystals longer. The growth rate of PAC crystals was decreased. In particular, the growth of {100} surface was inhibited, resulting in the change of the crystal shape from plate-like to rod-like. Hydrogen bonding between PAC and APAC in solution was observed by analyzing the chemical shift of N-H hydrogen. As a result, the effects of APAC on the crystallization of PAC could be explained in terms of the hydrogen bonding between PAC and APAC molecules.

• 社団法人 化学工学会の論文
• 2003-08-01

著者

• SAITO AKIRA

  Department of Pediatrics, Hirosaki University School of Medicine

• Azuma Masayuki

  Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo

• Ooshima Hiroshi

  Dep. Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univ.

• Ooshima H

  Osaka City Univ. Osaka Jpn

• Ooshima Hiroshi

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Ooshima Hiroshi

  Department Of Applied And Bioapplied Chemistry Graduate School Of Engineering Osaka City University

• Igarashi K

  Dep. Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univ.

• Igarashi Koichi

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Igarashi Koichi

  Department Of Applied And Bioapplied Chemistry Graduate School Of Engineering Osaka City University

• Igarashi Koichi

  Biology Research Laboratories:research And Development Division:tekada Chemical Industries Ltd.

• Igarashi K

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Azuma M

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Azuma Masayuki

  Second Department Of Oral And Maxillofacial Surgery Tokushima University School Of Dentistry

• Igarashi Koichi

  Department Of Applied Chemistry And Bioengineering Graduate School Of Engineering Osaka City Univers

• Saito A

  Department Of Applied And Bioapplied Chemistry Graduate School Of Engineering Osaka City University

• Saito Akira

  Department Of Pathology Juntendo University Urayasu Hospital

• Saito Akira

  Department of Biological Chemistry, Yamaguchi University

• Saito Akira

  Department of Applied and Bioapplied Chemistry, Graduate School of Engineering, Osaka City University

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