1279722-86-9Relevant articles and documents
Synthesis of 2,3-Disubstituted Quinolines via Ketenimine or Carbodiimide Intermediates
Zhao, Hongyang,Xing, Yanpeng,Lu, Ping,Wang, Yanguang
, p. 15144 - 15150 (2016/10/11)
Cyclopenta[b]quinolines and cyclohexa[b]quinolines were prepared via the reactions of α-diazo ketones with N-(2-cyclopropylidenemethylphenyl)phosphanimines and N-(2-cyclobutylidenemethylphenyl) phosphanimine, respectively. The reaction proceeds in a cascade involving ketenimine formation, 6 π-electron ring closure, and 1,3-alkyl shift. A similar approach was developed for the synthesis of dihydropyrrolo-[2,3-b]quinolines from N-(2-cyclopropylidenemethylphenyl)phosphanimines and isocyanates.