Synthesis of 4-functionalized indoles via benzyne cyclization of N-(2-lithioallyl)-2-fluoroanilines
作者:José Barluenga、Francisco J. Fañanás、Roberto Sanz、Yolanda Fernández
DOI:10.1016/s0040-4039(99)80109-9
日期:1999.1
Treatment of N-(2-bromoallyl)-N-methyl-2-fluoroaniline with tert-butyllithium affords 1,3-dimethyl-4-lithioindole, via intramolecular addition to a tethered benzyne intermediate. Further reaction with electrophiles leads to 4-functionalized 3-methylindoles.