A concise synthesis of the 2,3-dimethyle
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Basri Atasoy; Fatma Bayramoğlu; Tuncer Hökelek
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Article
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1994
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Elsevier Science
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French
⚖ 781 KB
Palladium-catalyzed carbomethoxylation of benzonorbornadiene (7) yielded dimethyl-1.4methano-l,2.3.4-tetrahydronaphthalene-2,3-dicarboxylate (9) which was transformed in three steps into 2.3-dimethylene-l,4-methano-l.2,3.4-tetrahydronaphthalene (4) in a high yield. Reaction of 4 with singlet oxygen