Carbenoid-mediated N–O bond insertion and its application in the synthesis of pyridines
作者:Xinxin Qi、Lu Dai、Cheol-Min Park
DOI:10.1039/c2cc36009h
日期:——
Highly efficient synthesis of 3-hydroxypyridines has been developed based on carbenoid-mediated N-O bond insertion. Treatment of delta-diazo oxime ethers with dirhodium complex Rh(2)(tfacam)(4) rapidly provides a variety of pyridines in 5-10 minutes in good to excellent yields.
Nucleophilic Organosilicon Intermediates Turned Electrophilic: (Trimethylsilyl)methyl, Trimethylsilyloxy and also 2-Tetrahydropyranyloxy as Terminators of Cycloadditions of Allyl Cations. A Short Route to Dehydrozizaenes (6-Methylenetricyclo[6.2.1.01,5]-undec-9,10-enes) and Related Tricycles and [3.2.1]-Bicycles.