STRUCTURE OF RED AND ORANGE FLUORESCEIN

被引：76

作者：

ANTHONI, U ^{[1
]}

CHRISTOPHERSEN, C ^{[1
]}

NIELSEN, PH ^{[1
]}

PUSCHL, A ^{[1
]}

SCHAUMBURG, K ^{[1
]}

机构：

[1] UNIV COPENHAGEN,HC ORSTED INST,DEPT CHEM,DK-2100 COPENHAGEN,DENMARK

来源：

STRUCTURAL CHEMISTRY | 1995年 / 6卷 / 03期

关键词：

SOLID-STATE C-13 NMR; C-13; NMR; FLUORESCEIN; QUINONE; ZWITTERION;

D O I：

10.1007/BF02286443

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The structures of colorless, red, and yellow-orange fluorescein have been investigated by a combination of solution and solid state C-13 NMR. It is demonstrated that the three forms have lactonic, zwitterionic, and quinoid structures, respectively. Conflicting X-ray, NMR, and IR structural evidence is discussed for samples of red fluorescein which cannot readily be obtained in definite crystalline form. It is concluded that solid-state C-13 NMR spectroscopy is superior by revealing primarily the molecular structure but being fairly insensitive toward lattice variations.

引用

页码：161 / 165

页数：5

共 13 条

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