Relative Reactivity of <i>a</i><i>nti</i>- and <i>s</i><i>yn</i>-Oximino Carbonates and Carbamates of 2-Pyridylacetic Acid Esters
作者:Ha Young Kim、Douglas A. Lantrip、Philip L. Fuchs
DOI:10.1021/ol015737n
日期:2001.7.1
[GRAPHICS]anti-Oximes of 2-pyridylacetic acid esters are rapidly transformed to pyridine-2-carbonitrile under a variety of conditions while syn-oximes bearing tert-butyl esters can be conveniently deprotected to the corresponding carboxylic acid with subsequent fragmentation to the nitrile.