Colour reaction of cardiotonic cardenolid glycosides with sodium nitroprusside

URN to cite this document:: urn:nbn:de:bvb:355-epub-157200
DOI to cite this document:: 10.5283/epub.15720

Vogt, A. F. ; Wiegrebe, Wolfgang

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Date of publication of this fulltext: 08 Jul 2010 04:53

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Item type:	Article
Journal or Publication Title:	Pharmazie
Volume:	45
Number of Issue or Book Chapter:	12
Page Range:	pp. 907-910
Date:	1990
Institutions:	Chemistry and Pharmacy > Institute of Pharmacy > Alumni or Retired Professors > Prof. Wiegrebe
Dewey Decimal Classification:	500 Science > 540 Chemistry & allied sciences
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Unknown
Item ID:	15720

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Abstract

Digitoxin (1) and digitoxigenin (2) react with sodium nitroprusside [disodium-pentakis (cyano-C)-nitrosy1-ferrate(II)] under weakly basic conditions forming the corresponding complexes 3 and 4, which were characterized by elementary analysis and IR-spectra. 3 and 4 are cleaved by cyanide or carbon dioxide/dil. acetic acid to the C-21-oximes 11 and 12, respectively. Digitoxin (1) und ...