1. F. M.Dean , The Total Synthesis of Natural Products , Wiley , New York , 1973 , vol. 1
2. P.Cagniant and D.Cagniant , Advances in Heterocyclic Chemistry , Academic Press , New York , 1975
3. X.-F.Wu and Y.Li , Transition Metal-Catalysed Benzofuran Synthesis , Elsevier Inc. , Amsterdam , 2017
4. B. R.Thorat , R.Yamgar and K.More , Review: Synthesis and Biological Importance of Benzofuran Derivatives , Lambert Academic Pub. , India , 2016
5. B. A.Keay , J. H.Hopkins and P. W.Dibble , Furans and their Benzo Derivatives: Applications , Pergamon Press , Oxford , 2008 , pp. 587–616