[Studies on 3,4-fused 5,6-dihydro-2h-pyran derivatives. I. A new synthetic method of dihydrofuropyran derivative and 1-substituted isochroman derivatives (author's transl)].
D001578:Benzopyrans / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D002839:Chromans / Q000138:chemical synthesis*; D011714:Pyrans / Q000138:chemical synthesis*
D001578:Benzopyrans; D002839:Chromans; D011714:Pyrans