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首页> 外文期刊>Chemistry: A European journal >Gold(III)-Mediated Contraction of Benzene to Cyclopentadiene: From p-Benziporphyrin to Gold(III) True Tetraarylcarbaporphyrin
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Gold(III)-Mediated Contraction of Benzene to Cyclopentadiene: From p-Benziporphyrin to Gold(III) True Tetraarylcarbaporphyrin

机译:金(III)介导的苯向环戊二烯的收缩:从对苯并卟啉到金(III)真正的四芳基碳卟啉

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摘要

The reaction of p-benziporphyrin, sodium tetrachloroaurate(III) dihydrate, and potassium carbonate in dichloromethane yielded gold(III) 5,10,15,20-tetraaryl-21-carbaporphyrin owing to the contraction of p-phenylene to cyclopentadiene. This molecule is the very first representative of a true 5,10,15,20-tetraaryl-21-carbaporphyrin complex where four trigonal donor atoms are involved in equatorial coordination. The contraction adds an unprecedented route to numerous organic transformations of aromatic compounds catalyzed by simple gold(III) compounds. p-Benziporphyrin provided the unique environment to alter the fundamental reactivity of the benzene unit facilitating its contraction to cyclopentadiene
机译:对-苯并卟啉,二水合四氯金酸钠(III)和碳酸钾在二氯甲烷中的反应由于对亚苯基的缩合成环戊二烯而产生了金(III)5,10,15,20-四芳基-21-碳卟啉。该分子是真正的5,10,15,20-四芳基-21-碳卟啉络合物的第一个代表,其中四个三角供体原子参与赤道配位。收缩为简单的金(III)化合物催化的芳香族化合物的许多有机转化添加了前所未有的途径。对苯并卟啉为改变苯单元的基本反应性提供了独特的环境,从而促进了苯单元向环戊二烯的收缩

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