1. Pteridines CIX
- Author
-
Abou-Hadeed Khaled and Pfleiderer Wolfgang
- Subjects
lumazine-6,7 -diamines ,condensation and nucleophilic displacement reactions ,methyl cyanoformimidate ,Crystallography ,QD901-999 - Abstract
A simple direct method for the synthesis of lumazine-6,7-diamines (9, 25-27) from uracil-5,6-diamines (10-13) and methyl cyanoformimidate (24) was found. Various nucleophilic displacement reactions were performed with 7-chloro-1,3-dimethyllumazine-6-amine (17) leading to new 6,7-disubstituted 1,3- dimethyllumazine derivatives (18-23).
- Published
- 1998
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