Research Article

Ecofriendly and Facile One-Pot Multicomponent Synthesis of Thiopyrimidines under Microwave Irradiation

Table 1

Comparative data on reaction time, heating energy, and yield of compounds 4(ag) by conventional and microwave assisted synthesis.

Compound code Conventional synthesisMicrowave synthesis
Time (h) Energy (temp. °C) Yield (%) Time (min.)Energy (power. watt)Yield (%)

4a4 98–100 66 5 210 85
4b6 98–100 65 10 210 85
4c598–100 627 210 82
4d898–100 60 9210 79
4e6 98–100 61 6210 82
4f7 98–100 55 8210 78
4g6 98–100 59 7 210 80