Efficient Synthesis of 6-Trimethylsiloxy- and 6-(Trimethylsilyl)-methyl-3-phenyl-5, 6,dihydro-4<i>H</i>-1,2-oxazines by Cycloaddition of α-Nitrosostyrene to Silyl Enol Ethers and Allyltrimethylsilane
作者:Claudia Hippeli、Hans-Ulrich Reissig
DOI:10.1055/s-1987-27856
日期:——
The title compounds 3 are prepared in good yield from silyl enol ethers 1 and α-nitrosostyrene 2, generated in situ from α-chloroacetophenone oxime 4. Allyltrimethylsilane smoothly affords cycloadduct 5 which could be opened to the unsaturated ketone 6 or amino olefin 7.