Archiv der Pharmazie p. 675 - 680 (1984)
Update date:2022-08-16
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Eiden
Felbermeir
3-Hydroxy-2-nitro-1-thiochromone (1b), when mixed with basis in alcoholic solution, yields the 2-nitro-benzothiophene-3-carboxylates 4a and 4b as well as the 2-amino-3-benzothiophene-3-carboxylates 11a and 11b. Under the same conditions, 3-methoxy-2-nitro-1-thiochromone (1c) yields 3-amino-2-nitro-1-thiochromone (12). Compound 1b reacts with morpholine in dioxane to give 2-nitro-benzothiophene-3-carboxamide (10).
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Doi:10.1021/ja01656a009
(1923)Doi:10.1021/jm5012484
(2015)Doi:10.1016/j.jcat.2011.09.014
(2012)Doi:10.1016/j.jfluchem.2016.01.005
(2016)Doi:10.1246/cl.180438
(2018)Doi:10.1016/j.chemphyslip.2005.03.002
(2005)
