Abstract
Tetrahydroimidazolpyridinones 2, which are new, highly bioactive potential insecticides, were prepared in 30–96% yield through a multicomponent reaction (MCR) of 6-Cl-PMNI, aldehydes, and Meldrum's acid using catalytic Et3N or K2CO3 in anhydrous CH3CN at refluxing temperature.
![](/cms/asset/259967aa-c89f-4aac-a261-930a3ed10ac2/lsyc_a_480301_o_uf0001.gif)
ACKNOWLEDGMENTS
This work was financially supported by the Shanghai Committee of Science and Technology (No. 064319022), the New Century Excellent Talents in University, the Ministry of Education, China (No. NCET-07-0283), the Natural Science Foundation of China (No. NSFC 20602011), and the “111” Project (No. B07023).
Notes
a Yield of isolated and purified products.
b Showing high insecticidal activities against pea aphids.[ Citation 5 ]