3-Nitrocoumarins as dienophiles in the Diels-Alder reaction in water. An approach to the synthesis of nitrotetrahydrobenzo [c] chromenones and dihydrodibenzo [b, d] …

D Amantini, F Fringuelli, O Piermatti…

Index: Belkasmioui, Ahmed; Simonet, Jacques Bulletin de la Societe Chimique de France, 1989 , # 5 p. 699 - 702

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Citation Number: 68

Abstract

... The [4 + 2] cycloadditions of 3-nitrocoumarin (1a), 6-chloro-3-nitrocoumarin (1b), and 6-, 7-, and 8-hydroxy-3-nitrocoumarins (1c, 5, and 6) with (E)-piperylene (7), isoprene (8), 2,3-dimethyl-1, 3-butadiene (9), 2-methoxy-1,3-butadiene (10), 2,3-dimethoxy-1,3-butadiene (11), and ...