Chemistry of Heterocyclic Compounds

, Volume 54, Issue 6, pp 650–657 | Cite as

Convenient synthesis of 12-methyl[1]benzoxepino[3,4-b]quinolin-13(6H)-ones

  • Yu Wang
  • Mingqin Chang
  • Hong Zhang
  • Yang LiEmail author

In this work, a construction of 12-methyl[1]benzoxepino[3,4-b]quinolin-13(6H)-ones, structurally intriguing hybrid molecules consisting of fused 4-methylquinoline and 1-benzoxepin-5-one units, has been successfully achieved via a two-step procedure, involving the onepot synthesis of 2-(aryloxymethyl)-4-methylquinoline-3-carboxylic acids followed by their intramolecular Friedel–Crafts cyclization reaction. Our synthetic protocol described here could be attractive as it is simple, easy to handle and does not involve the use of expensive reagents or catalysts.


1-benzoxepin-5-one hybrid molecule 4-methylquinoline Friedel–Crafts cyclization one-pot synthesis 


The project was financially supported by the National Natural Science Foundation of China (Nos. 21476028 and 21402011) and the Natural Science Foundation of Liaoning Province (No. 201602006).

Supplementary material

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Superfine ChemicalsBohai UniversityJinzhouChina

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