化学
重氮
腙
烷基
芳基
磺酰
组合化学
基础(拓扑)
发色团
有机化学
数学分析
数学
作者
Po-Kai Peng,Clayton P. Donald,Zhencheng Dong,Jeremy A. May
标识
DOI:10.1021/acs.orglett.4c00873
摘要
The synthesis of diaryl alkanes and tertiary organoboronates via Barluenga coupling at room temperature occurred via photoactivated conversion of aryl sulfonyl hydrazones to diazo compounds in the presence of soluble bases. The combination of arylsulfonyl hydrazone and a soluble base is necessary to provide a near-UV chromophore. Using aromatic hydrazones and aromatic boronic acids resulted in rapid deboronation because of the instability of dibenzylic boron intermediates. Alkyl hydrazones allowed the isolation of derivatives of the tertiary boronate.
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