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 2

Effect of temperature on the formation of 5a in the presence of alum as catalyst.

Entry	Temperature (°C)	Time (hrs)	Yield (%)
1	Room temp.	25	Nil
2	50	18	40
3	60	15	56
4	70	10	66
5	80	6	90
6	100	6	90