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 4

Effect of alum catalyst loading for synthesis of 5a at 80°C.

Entry	Catalyst (mol %)	Yield (%)
1	10	traces
2	15	50
3	20	86
4	25	90
5	30	90