1,4-Difluoro-2,5-dimethoxybenzene as a Precursor for Iterative Double Benzyne−Furan Diels−Alder Reactions
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资源简介：
The use of 1,4-difluoro-2,5-dimethoxybenzene as a novel precursor for iterative two-directional benzyne−furan Diels−Alder reactions, using a range of 2- and 3-substituted furans, is reported. Substituted oxabenzonorbornadienes were synthesized following the initial Diels−Alder reaction, which upon ring opening under acidic conditions gave substituted naphthol derivatives. Highly substituted anthracenols were generated in the second benzyne−furan Diels−Alder reaction following acid-catalyzed isomerization of the cycloadducts.
创建时间：
2016-05-06
