The preparation of 4,5-dihydro-2<i>H</i>-benz[<i>e</i>]indazoles from dilithiated 2-tetralone phenylhydrazone and aromatic esters
作者:April J. Angel、Anne E. Finefrock、Angela R. Williams、Jessica D. Townsend、Thuy-Ha V. Nguyen、Douglas R. Hurst、Frederick J. Heldrich、Charles F. Beam、Ibraheem T. Badejo
DOI:10.1002/jhet.5570360519
日期:1999.9
The phenylhydrazone of 2-tetralone was dilithiated with excess lithium diisopropylamide followed by condensation with several aromatic esters, and the resulting intermediates were acid cyclized to 4,5-dihydro-2H-benz[e]indazoles.
将2-四氢萘酮的苯lithium与过量的二异丙基氨基锂二锂化,然后与几种芳族酯缩合,然后将所得的中间体酸环化为4,5-二氢-2 H-苯并[ e ]吲唑。