Sterically-controlled regioselective para-substitutions of aniline
作者:Philip W. Dyer、John Fawcett、Gerald A. Griffith、Martin J. Hanton、Céline Olivier、Adam R. Patterson、Samuel Suhard
DOI:10.1039/b506824j
日期:——
Introduction of sterically demanding 1-isopropyl-2-methylpropyl or triisopropylsilyl groups at the nitrogen of aniline allows high-yielding regioselective para-substitution to be achieved using a lithiation/substitution sequence.