- Novel 6-azapteridines from bifunctional 1,2,4-triazines
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The convergent synthesis of ethyl 5-chloro- and 5-amino-3-aryl-1,2,4-triazinecarboxylates 9a-9d and 10a-10d as well as of 5-amino-3-aryl-1,2,4-triazine-6-carboxamides 11a-11d is described. Compounds 9, 10 and 11 are powerful key compounds for cyclization reactions to the novel pyrimido[4,5-e][1,2,4]triazines 13d, 14c, 14d, 15c and 17a, 17d.
- Wamhoff, Heinrich,Tzanova, Milena
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p. 965 - 974
(2007/10/03)
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- Amidrazones and derivatives thereof
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The present invention relates to compositions and methods for inhibiting nonenzymatic cross-linking (protein aging) which contain novel amidrazones and derivatives thereof. Accordingly, a composition is disclosed which comprises an agent capable of inhibiting the formation of advanced glycosylation endproducts of target proteins by reacting with the carbonyl moiety of the early glycosylation product of such target proteins formed by their initial glycosylation. The method comprises contacting the target protein with the composition. Both industrial and therapeutic applications for the invention are envisioned, as food spoilage and animal protein aging can be treated.
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