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Simple and efficient method for obtaining fluorene and spirobifluorene bromide derivatives

机译:一种简单高效的芴和螺二芴溴化物衍生物的制备方法

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摘要

A mild, simple, and efficient synthetic procedure for the preparation of 2-monobromo-, 2,7-dibromo-, and 2,2',7,7'-tetrabromo-substituted spirobifluorene derivatives and their key intermediates, 2-monobromo- and 2,7-dibromo-substituted fluorene compounds, has been developed. The oxidative bromination of fluorene and spirobifluorene was achieved using NaBr/H2O2 as the bromine source. High conversion of the starting materials was achieved together with good selectivities under optimized reaction conditions.
机译:一种温和,简单,有效的合成方法,用于制备2-一溴,2,7-二溴和2,2',7,7'-四溴取代的螺二芴衍生物及其关键中间体2-一溴-并且已经开发了2,7-二溴取代的芴化合物。使用NaBr / H2O2作为溴源,可以实现芴和螺二芴的氧化溴化。在优化的反应条件下,实现了原料的高转化率和良好的选择性。

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