SELF-ASSEMBLY OF CYCLODEXTRINS WITH MESO-TETRAKIS(4-SULFONATOPHENYL)PORPHYRIN IN AQUEOUS-SOLUTION

被引：85

作者：

RIBO, JM ^{[1
]}

FARRERA, JA ^{[1
]}

VALERO, ML ^{[1
]}

VIRGILI, A ^{[1
]}

机构：

[1] UNIV AUTONOMA BARCELONA,DEPT QUIM,UNITAT QUIM ORGAN,E-08193 BARCELONA,SPAIN

来源：

TETRAHEDRON | 1995年 / 51卷 / 12期

关键词：

D O I：

10.1016/0040-4020(95)00085-M

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The ability of alpha-CD, beta-CD and gamma-CD to break the aggregates in the solution of the title porphyrin (TPPS4) and to form inclusion self-assemblies has been studied by UV/Vis and H-1-NMR (ROESY). The behaviour of TPPS4 in the presence of alpha-CD, beta-CD and gamma-CD has been compared to that of sodium p-toluenesulfonate and sodium benzenesulfonate. TPPS4 in neutral media forms inclusion assemblies, through its meso-phenyl groups, with beta-CD and gamma-CD, but not with alpha-CD. Diprotonated TPPS4, which has a different geometry from the free base, forms an inclusion assembly only with beta-CD. The inclusion assemblies of TPPS4 with beta-CD and gamma-CD show different geometry: introduction of the phenyl substituent through the cyclodexuin secondary face for beta-CD and through the primary face for gamma-CD.

引用

页码：3705 / 3712

页数：8

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