The silyl-Prins and aza-silyl-Prins reactions have been employed for the preparation of 6-CF3-substituted dihydropyrans and 6-CF3-substituted tetrahydropyridines. The product heterocycles have been further elaborated to a number of products, including CF3-substituted pipecolates and hydroxylated pyrans and piperidines. (C) 2007 Elsevier Ltd. All rights reserved.
The silyl-Prins and aza-silyl-Prins reactions have been employed for the preparation of 6-CF3-substituted dihydropyrans and 6-CF3-substituted tetrahydropyridines. The product heterocycles have been further elaborated to a number of products, including CF3-substituted pipecolates and hydroxylated pyrans and piperidines. (C) 2007 Elsevier Ltd. All rights reserved.
Influence of a CF<sub>3</sub> Group on an Adjacent Double Bond. II
作者:Albert L. Henne、Malcolm A. Smook、Ralph L. Pelley