The Scientific World Journal / 2013 / Article / Tab 3

Research Article

Alum Catalyzed Simple, Efficient, and Green Synthesis of 2-[3-Amino-5-methyl-5-(pyridin-3-yl)-1,5-dihydro-4H-1,2,4-triazol-4-yl]propanoic Acid Derivatives in Aqueous Media

Table 3

Effect of various catalysts on the formation of 5a at 80°C.

EntryCatalystTime (hrs)Yield (%)

1SiO21540
2Al2O31063
3P2O5875
4Alum690

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