Tetrahedron Letters p. 2419 - 2422 (1985)
Update date:2022-08-30
Topics:
Taylor, Edward C.
Macor, John E.
S-Alkylation of 1,2,4-triazine-6-thiones with 4-iodobutyne, followed by oxidation to the sulfoxide and intramolecular cycloaddition (at room temperature), gives 2,3-dihydrothieno<2,3-c>pyridines, which are readily dehydrated with acetic anhydride to thien
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