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Pteridines. 49. Synthesis of 2,4-diamino-6,8-dihydro-7-aryl-8-oxopyrrolo[3,4-g]pteridines

✍ Scribed by Taylor, Edward C.; Dumas, Donald J.

Book ID
115440629
Publisher
American Chemical Society
Year
1982
Tongue
English
Weight
510 KB
Volume
47
Category
Article
ISSN
0022-3263

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The first representative of the &substituted 4-thiolumazine series has been synthesized. In a sequence of reactions, 4,6-dichloropyrimidin-2-( 1 H)-one (1) is first converted into 4-chloro-6-(methylamino)pyrimidin-2( 1H)one (6), then the Cl-atom displaced by the thioxo group ( +7) followed by a coup