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| Treatment of propargylmagnesium bromide with trimethyl borate followed by acidic workup gives, after recrystallization from hexane–ether, a single crystalline boronic acid in 40–60% yield (eq 1).3 As far as can be described, a single compound results from this preparation. |
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Treatment of propargylmagnesium bromide with trimethyl borate followed by acidic workup gives, after recrystallization from hexane–ether, a single crystalline boronic acid in 40–60% yield (eq 1).3 As far as can be described, a single compound results from this preparation. 由己烷醚重結(jié)晶后,用炔丙基鎂溴化物和硼酸三甲酯進(jìn)行治療,然后再進(jìn)行酸性診斷,能產(chǎn)生 單晶硼酸,產(chǎn)率在40 - 60%之間(如式1所示)。該公式描述出,單一化合物正是通過這個合成方法產(chǎn)生的。 |
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