Furopyridines.<b>XXII</b>. Elaboration of the<i>C</i>-substituents<i>alpha</i>to the heteronitrogen atom of furo[2,3-<i>b</i>] -, -[3,2-<i>b</i>] -, -[2,3-<i>c</i>]- and -[3,2-<i>c</i>]pyridine
作者:Shunsaku Shiotani、Katsunori Tanigochi
DOI:10.1002/jhet.5570340329
日期:1997.5
cyanopyridine derivatives 1a-d with methyl- and phenylmagnesium bromide yielded the corresponding acylpyridine compounds 2a-d and 3a-d. Furopyridine N-oxides 4a-d were converted into the compounds having a phenyl group at the α-position to the ring nitrogen 5a-d. Reduction of 1a-d and the carboxylic esters 6a-d with diisobutylaluminium hydride yielded the corresponding amines 7a-d and aldehydes 9a-d. The