The reaction of octa-2-hydroxyethylated calix[4]resorcinols with phosphorous acid amides and the subsequent thionylation by elemental sulfur afforded hydrolytically stable oxyethyl calix[4]resorcinols containing eight thiophosphoryl fragments. Click to show full abstract
The reaction of octa-2-hydroxyethylated calix[4]resorcinols with phosphorous acid amides and the subsequent thionylation by elemental sulfur afforded hydrolytically stable oxyethyl calix[4]resorcinols containing eight thiophosphoryl fragments.
               
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