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6-endo-dig annulation

The Sonogashira reaction of 2-substituted-5-acetyl-4-thiazolyl triflate 97 and phenylacetylene led to 3-alkynylthiazole 98, which subsequently underwent a 6-endo-dig annulation in the presence of ammonia to produce pyrido[3,4-c]thiazole 99 [54],... [Pg.314]

See also in sourсe #XX -- [ Pg.314 ]



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7-endo-dig

Digging

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