View of La2O3 as a very effective doubleâ-functional catalyst for the production of 2-amino-4-aryl-4H-pyrans and Pyrazolopyranopyrimidines | Iranian Journal of Catalysis

La2O3 as a very effective doubleâ-functional catalyst for the production of 2-amino-4-aryl-4H-pyrans and Pyrazolopyranopyrimidines