Journal of the Iranian Chemical Society

, Volume 7, Issue 2, pp 351–358 | Cite as

Green and diasteroselective oxidative cyclization of bisnaphthols to spirans



Hydrogen peroxide/MoO3, as an efficient and clean oxidizing system was used to afford diasteroselective oxidative cyclization of bisnaphthols to spirans in ethanol at 60 °C with high yields. Bisnaphthols were prepared by the reaction of a series of aldehydes and 2-naphthol in the presence of a catalytic amount of H3[P(Mo3O10)4].nH2O (HPa) in refluxing dichloromethane.


Bisnaphtols Spirans MoO3 Hydrogen peroxide HPA 


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Copyright information

© Iranian Chemical Society 2010

Authors and Affiliations

  1. 1.Department of ChemistryRazi UniversityKermanshahIR, Iran

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