Chemistry of Heterocyclic Compounds p. 673 - 675 (1982)
Update date:2022-09-26
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Prewysz-Kwinto, A.
A mixture of 3-formyl and 3-acetoxymethyl derivatives is formed in the oxidation of 2-carbethoxy-3-methyl-5-ethylbenzofuran with selenium dioxide.Reduction of the products with lithium aluminum hydride gives the corresponding 2,3-dihydroxymethyl derivatives, which are converted to 2,3-diformyl derivatives by succesive oxidation by the Fetizon method and with manganese dioxide.The corresponding benzofuro<2,3-d>pyridazines were synthesized by reaction of 2-carbethoxy-3-formyl-5-ethylbenzofuran with hydrazine hydrate.
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Doi:10.1016/0040-4039(92)89036-C
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(2016)Doi:10.1515/hc-2013-0041
(2013)Doi:10.1002/chem.201405965
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(2005)Doi:10.1016/j.tet.2005.03.085
(2005)
