Tetrahedron Letters p. 2629 - 2632 (1993)
Update date:2022-07-30
Topics:
Ohno, Toshinobu
Ozaki, Masato
Inagaki, Atsuro
Hirashima, Tsuneaki
Nishiguchi, Ikuzo
Various substituted 1,2-dihydrophthalic acids were synthesized by electroreduction of phthalic acids in excellent yields.The electrocyclic reaction of 1,2-dihydrophthalic acids or the methyl ester with alkynes gave 1,2-disubstituted benzenes and biphenyls in good yields together with fumaric acid or methyl fumarate.
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