Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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The Solubilization Site of Some Phenyl Alkanols in Aqueous Sodium Dodecylsulfate Micelle

몇가지 페닐 알카놀의 Sodium Dodeylsulfate 수용액 미셀내에서의 가용화 위치

  • Published : 19940300
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Abstract

The solubilization sites of some phenyl alkanols such as phenol, benzyl alcohol, phenethyl alcohol, 3-phenyl-1-propanol solubilized in 0.2 M aqueous sodium dodecylsulfate micelle solution was studied by two dimensional heteronuclear correlation spectroscopy (2D C-H COSY). The results show more quantitative and clear solubilization sites in the SDS micelle than previous results using $^1H$-NMR spectrum integration. We found that most of the phenyl alkanols penetrate into the core of SDS micelle, and the insertion depth was 6.5∼7.0 methylene units from ${\alpha}$-methylene.

Sodium dodecylsulfate(SDS) 0.2M수용액 미셀내에 몇 가지 페닐 알카놀$[C_6H_5(CH_2)_nOH;$ 페놀(n=1), 벤질 알코올(n=1), 펜에틸 알코올(n=2), 3-페닐-1-프로판올(n=3)]이 가용화(solubilization)될 때 이들의 가용화 위치를 이차원 이핵 상관 NMR분광법(Two dimensional heteronuclear correlation spectroscopy (2D C-H COSY)으로 조사하였다. 실험 결과 $^1H$-NMR 신호의 적분에 의하여 조사한 이전의 연구결과보다 훨씬 정량적이며 정확한 가용화 위치를 알 수 있었다. 이들이 SDS 미셀 중심의 중간부 메틸렌기에 침투하는 깊이는 ${\alpha}$메틸렌기로부터 6.5~7.0 단위까지 임을 알았다.

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