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5. Pteridine studies. Part XXVIII. Some 6- and 7-substituted pteridines

✍ Scribed by Albert, Adrien ;Clark, Jim

Book ID: 120980964
Publisher: The Royal Society of Chemistry
Year: 1965
Weight: 624 KB
Category: Article
ISSN: 0368-1769
DOI: 10.1039/JR9650000027

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## Abstract 6‐Thioxanthopterin (13) was synthesized in four steps starting from 2‐amino‐4‐(penthyloxy)pteridine (3) __via__ the 8‐oxide 4, its subsequent interconversion to the 6‐chloro (7) and 6‐thio derivative (12) and final hydrolysis of the pentyloxy group. 7‐Thioisoxanthopterin (15) was derive