Five-Membered 2,3-Dioxoheterocycles: LXIV.* Reactions of l-Methyl-3,4-dihydroisoquinolines with 5-Arylfuran-2,3-diones and (Z)-Alkyl 4-Aryl-2-hydroxy-4-oxobut-2-enoates. Crystal and Molecular Structure of (2Z,5Z)-3-Hydroxy-5-{8,8-dimethyl-2,3,8,9-tetra-hydro [1,4] dioxino [2,3-g] isoquinolin-6(7H)-ylidene}-1-phenylpent-2-ene-1,4-dione

摘要

5-Arylfuran-2,3-diones and (Z)-alkyl4-aryl-2-hydroxy-4-oxobut-2-enoates react with 3,3-dialkyl-1-methyl-3,4-dihydroisoquinolinestogive(2Z,5Z)-l-aryl-3-hydroxy-5-[3,3-dialkyl-3,4-dihydroisoquinolin-l(2H)-ylidene]pent-2-ene-l,4-diones whose structure has been proved by XRD analysis.