Selective synthesis of some 4,5-dihydro-2<i>H</i>-benzo[<i>g</i>]indazoles and 8,9-dihydro-2<i>H</i>-benzo[<i>e</i>]indazoles via the vilsmeier-haack reaction under thermal and microwave assisted conditions
作者:Ganesabaskaran Sivaprasad、Radhakrishnan Sridhar、Paramasivan T. Perumal
DOI:10.1002/jhet.5570430219
日期:2006.3
A selective and easy method is described for the synthesis of 4,5-dihydro-2H-benzo[g]indazoles and 8,9-dihydro-2H-benzo[e]indazoles by the Vilsmeier-Haack reaction of various tetralone phenylhydrazones under thermal and microwave irradiation conditions.
描述了通过各种四氢萘酮苯并azo的Vilsmeier-Haack反应合成4,5-二氢-2 H-苯并[ g ]吲唑和8,9-二氢-2 H-苯并[ e ]吲唑的选择性简便方法在热和微波辐射条件下。