Vk. Ahluwalia et al., SYNTHESIS OF SOME NEW C-5-SUBSTITUTED PYRIMIDINE-DERIVATIVES AS POTENTIAL INSECTICIDES, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 35(9), 1996, pp. 976-979
A convenient synthesis of 5-(methoxycarbonylmethylaminomethylene) (3a-
e), 5-[(methyl propionate)-2-ylaminomethylene] (4a-e) and 5-bis(2'-car
bethoxyethyl) (5d-h) substituted derivatives of ,2,3,4,5,6-hexahydro-4
,6-dioxo-2-thioxopyrimidines has been reported. Compounds 3c, 3e, 5e a
nd 5f show feeble insecticidal activity.