Synthesis p. 407 - 410 (1990)
Update date:2022-09-26
Topics:
Miyakoshi, Tetsuo
Togashi, Hiroyasu
The intramolecular cyclization of 2-alkanoyl-2,5-dimethoxytetrahydrofurans 4 with aqueous acid is described. 3-Alkylcatechols 7 were prepared in generally good yields by boiling the dioxane solution of compounds 4 in the presence of 1 M hydrochloric acid.In addition, 4,5-dioxoalkanals 6 were obtained in good to high yields when the dioxane solution of compounds 4 was treated with 0.1 M hydrochloric acid.
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