KOt-Bu/DMF promoted intramolecular cyclization of 1,1′-biphenyl aldehydes and ketones: an efficient synthesis of phenanthrenes
作者:Yan-yan Chen、Niu-niu Zhang、Lin-miao Ye、Jia-hua Chen、Xiang Sun、Xue-jing Zhang、Ming Yan
DOI:10.1039/c5ra07188g
日期:——
A new synthesis of phenanthrene derivatives has been achieved through intramolecular cyclization of 1,1′-biphenyl aldehydes and ketones promoted by KOt-Bu/DMF. A free radical reaction pathway is proposed.
通过KO t -Bu / DMF促进的1,1'-联苯醛和酮的分子内环化,实现了菲衍生物的新合成。提出了自由基反应途径。