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4851420 2,6 diamino 3 halobenzylpyridines and processes for their manufacture as well as their use in pharmaceuticals

✍ Scribed by Wolf, Gerald L.; Na, George C.; Gazelle, G. Scott; McIntire, Gregory L.; Cannillo, John; Bacon, Edward R.; Halpern, Elkan

Book ID: 122075856
Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 94 KB
Volume: 21
Category: Article
ISSN: 0306-3623
DOI: 10.1016/0306-3623(90)90664-8

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## Abstract The heterospirocyclic __N__‐methyl‐__N__‐phenyl‐5‐oxa‐1‐azaspiro[2.4]hept‐1‐e n‐2‐amine **(6**) and __N__‐(5‐oxa‐1‐azaspiro[2.4]hept‐1‐en‐2‐yl)‐(__S__)‐proline methyl ester (**7**) were synthesized from the corresponding heterocyclic thiocarboxamides **12** and **10**, respectively, by