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| Studies on the bromination of some oxo-aromatic compounds catalyzed by heteropoly acid |
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2Â¥2012-07-16 23:36:51
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Studies on the bromination of some oxo-aromatic compounds catalyzed by heteropoly acid By: Zhang, Chenglu; Wang, Yang; Pan, Guohua; Wang, Lidong; Xu, Haotian; Shao, Yi; Zhou, Long; Wang, Zhenxin; Qiu, Wenlong; Han, Jianqiang The synthesis of the target compd. was achieved using 2-methylphenol, catechol, 1,3-benzenediol and resorcinol as starting materials. The intermediates thus prepd. included 1-methoxy-2-methylbenzene, 1,2-bis(methoxymethoxy)benzene, 1,3-bis(methoxymethoxy)benzene and 1,4-bis(methoxymethoxy)benzene. Bromobenzene derivs. thus obtained were 4-bromo-1-methoxy-2-methylbenzene, 4-bromo-1,2-bis(methoxymethoxy)benzene, 1-bromo-3,5-bis(methoxymethoxy)benzene and 2-bromo-1,4-bis(methoxymethoxy)benzene and the product structures were confirmed by IR and 1H-NMR. |
3Â¥2012-07-16 23:55:16
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4Â¥2012-07-17 00:02:53
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5Â¥2012-07-18 09:38:09











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