Journal of the Iranian Chemical Society p. 351 - 358 (2010)
Update date:2022-08-04
Topics:
Alizadeh
Khodaei
Moradi
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(Mo3O 10)4].nH2O (HPA) in refluxing dichloromethane.
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