Separation of a newly identified contaminant from commercial 4,5,6,7- tetrachlorofluorescein by pH-zone-refining countercurrent chromatography

Journal of Liquid Chromatography and Related Technologies

Volumn 21, Issue 1-2, 1998, Pages 183-193

  Weisz, Adrian ^a   Andrzejewski, Denis ^a   Highet, Robert J ^b   Ito, Yoichiro ^b  

^a CENTER FOR DRUG EVALUATION AND RESEARCH   (United States)

^b NATIONAL HEART LUNG AND BLOOD INSTITUTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

4,5,6,7 TETRACHLOROFLUORESCEIN; FLUORESCEIN DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; COUNTER CURRENT CHROMATOGRAPHY; DRUG IMPURITY; DRUG PURIFICATION; DRUG STRUCTURE; MASS SPECTROMETRY; PROTON NUCLEAR MAGNETIC RESONANCE;

EID: 0031937291     PISSN: 10826076     EISSN: None     Source Type: Journal    
DOI: 10.1080/10826079808001947     Document Type: Article

References (4)

1. A. Weisz, D. Andrzejewski, K. Shinomiya, Y. Ito, "Preparative Separation of Components of Commercial 4,5,6,7-Tetrachlorofluorescein by pH- Zone-Refming Countercurrent Chromatography," in Modern Countercurrent Chromatography, ACS Symposium Series 593, W. D. Conway, R. J. Petroski, eds., American Chemical Society, Washington, DC, 1995, pp. 203-217.
2. A. Weisz, "Separation and Purification of Dyes by Conventional High-Speed Countercurrent Chromatography and pH-Zone-Refining Countercurrent Chromatography," in High-Speed Countercurrent Chromatography, Y. Ito, W. D. Conway, eds., Chemical Analysis Series, Vol. 132, John Wiley & Sons, New York 1996, pp. 337-384.
3. A. Weisz, A. L. Scher, Y. Ito, J. Chromatogr. A, 732, 283-290 (1996).
4. A. Weisz, A. J. Langowski, M. B. Meyers, M. A. Thieken, Y. Ito, J. Chromatogr, 538, 157-164 (1991).