作者:Min Shi、Yoshiki Okamoto、Setsuo Takamuku
DOI:10.1246/bcsj.63.453
日期:1990.2
Upon UV-irradiation in an alkaline alcohol solution, some triarylmethylphosphonic acids underwent C–P bond cleavage to give triarylmethanes and alkyl dihydrogenphosphates, while, in an acidic or a neutral alcohol solution, they afforded biaryls. Their dimethyl esters gave also biaryls and dimethyl [alkoxy(aryl)methyl]phosphonates, which were derived from the insertion of (dialkoxyphosphinyl)arylcarbenes
在碱性醇溶液中紫外线照射后,一些三芳基甲基膦酸发生 C-P 键断裂,得到三芳基甲烷和磷酸二氢烷基酯,而在酸性或中性醇溶液中,它们得到联芳基化合物。它们的二甲酯也产生联芳基和 [烷氧基(芳基)甲基]膦酸二甲酯,它们源自(二烷氧基膦基)芳基卡宾插入醇的 OH 键。卡宾是通过光-α,α-消除膦酸酯的两个芳基而产生的。