ISSN:
0018-019X
Keywords:
Chemistry
;
Organic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
The strong bathochromic shift of the flavin spectra occurring by interaction with Ag+ can also be obtained with Cu+ and Hg2+, but not with other metalions. Two kinds of metal-isoalloxazin-interaction must be discerned, a loose one with the free ligand and a very strong one with the ligand anion. 1:1-Complexes are preferably built up, which are shown to be trigonal chelates of oxinate type and whose color is due to electron transfer from Ag+ to flavoquinone giving rise to a Ag2+-flavosemiquinone mesomeric state responsible for the specific chelating qualities.
Additional Material:
5 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/hlca.19610440417
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