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새로운 Capsaicin 유도체 DA - 5018 의 구조 및 물리화학적 성질 연구
김흥재,이종진,이응두,심현주,이상득,옥광대,김원배,박노상 ( Heung Jae Kim,Jong Jin Lee,Eung Doo Lee,Hyun Joo Shim,Sang Deuk Lee,Kwang Dae Ok,Won Bae Kim ) 한국약제학회 1997 Journal of Pharmaceutical Investigation Vol.27 No.2
N/A The physicochemical and structural properties of new capsaicin derivative. DA-5018, were examined. The reference standard of this compound was obtained by the recrystallization. A method for the determination of the dissociation constant of the compound is described. pH-solubility and distribution coefficient were determined by chromatographic method. Fundamental properties on thermal behaviors were investigated by TG, DTA and DSC. Structural analysis based on spectroscopic method coincided with the chemical structure of DA-5018. Approximate dissociation constant of the compound determined by UV spectral method was 9.35. Solubilities and partition coefficients in various pH buffer solution appeared pH-dependency. No crystal transition or further transition was found in the thermal analysis. This compound showed good stability, but pH 13 buffer and acetone made some degradative products.