Zinc oxide-tetrabutylammonium bromide tandem as a highly efficient, green, and reusable catalyst for the Michael addition of pyrimidine and purine nucleobases to α,β-unsaturated esters under solvent-free conditions
An efficient procedure for the synthesis of carboacyclic nucleosides via microwave-assisted Michaeladdition of pyrimidine and purine nucleobases to α,β-unsaturated esters in the presence of cataly...