Catalyst-controlled regio- and stereoselective synthesis of diverse 12H-6,12-methanodibenzo[d,g][1,3]dioxocines

Org Biomol Chem. 2014 Jul 7;12(25):4386-96. doi: 10.1039/c4ob00691g.

Abstract

We describe an efficient one-pot regio- and stereoselective method for synthesizing diverse 1-hydroxy-12H-6,12-methanodibenzo[d,g][1,3]dioxocines and 3-hydroxy-12H-6,12-methanodibenzo[d,g][1,3]dioxocines using ethylenediammonium diacetate (EDDA) or p-toluenesulfonic acid (PTSA) catalyzed reactions between various resorcinols and a number of 2-hydroxychalcones. These reactions involve a catalyst-controlled cascade Michael-type reaction/double cyclization process. Importantly, these reactions provide a rapid synthetic route to the production of biologically interesting complex molecules that are generally prepared using multi-step reactions.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Benzene / chemical synthesis*
  • Benzene / chemistry*
  • Biological Products / chemistry
  • Catalysis
  • Proton Magnetic Resonance Spectroscopy
  • Stereoisomerism

Substances

  • Biological Products
  • Benzene