Vinylpyridines as Building Blocks for the Photocatalyzed Synthesis of Alkylpyridines
作者:Luca Capaldo、Maurizio Fagnoni、Davide Ravelli
DOI:10.1002/chem.201701346
日期:2017.5.11
The photocatalyzed addition of several hydrogen donors (ethers, aldehydes, alkanes, amides) onto vinylpyridines was achieved. This approach provided access to alkylpyridines, which are important building blocks for the preparation of compounds with biological activity. The strategy was very simple and straightforward because it required only a small amount of a cheap decatungstate salt as photocatalyst
作者:Sami E. Varjosaari、Jeremy P. Hess、Paolo Suating、John M. Price、Thomas M. Gilbert、Marc J. Adler
DOI:10.1016/j.tetlet.2014.12.013
日期:2015.1
organic chemists generally think of silyl ethers as easier-to-cleave alkyl ethers, frequently neglecting to consider both the unique facets of elemental silicon and the size of commonly used trialkylsilyl protecting groups. In this study, several ortho- and para-silyloxybenzoic acids were investigated spectroscopically and as catalysts for a Friedel–Crafts reaction, with results highlighting some of the