2, 3, 6, 7, 10, 11??Hexamethoxytribenzotriquinacene: Synthesis, Solid??State Structure, and Functionalization of a Rigid Analogue of Cyclotriveratrylene

M Harig, B Neumann, HG Stammler…

Index: Harig, Marco; Neumann, Beate; Stammler, Hans-Georg; Kuck, Dietmar European Journal of Organic Chemistry, 2004 , # 11 p. 2381 - 2397

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Citation Number: 29

Abstract

Abstract The syntheses of several tribenzotriquinacenes bearing six methoxy groups at the outer peripheral positions of the aromatic rings are reported. The centro-methyl derivative is accessible in surprisingly good yield through two-fold cyclodehydration in the final step of a synthesis route which requires special care in the preparation of some electron-rich key intermediates, such as 5, 6-dimethoxy-2-methylindane-1, 3-dione and bis (3, 4- ...

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