The volatile oils obtained from the leaves of four pecan cultivars growing in Egypt were evaluated for their chemical composition and antimicrobial activity. The selected cultivars (cv.) were Carya illinoinensis (Wangneh.) ...

Novel heterocyclic-fused pyrimidines viz pyrrolo[1,2-c]pyrimidines 4-8, pyrimido[5,4-e]pyrrolo[1,2-c]pyrimidines 9-14, pyrimido[4?,5?:4,5] pyrimido[1,6-a]azepines 16-18, pyrrolo[1?,2?:1,6]pyrimido[4,5-d][1, 3]thiazines ...

A simple, sensitive, and selective online pre-column derivatization high-performance liquid chromatographic method was developed and validated for the first time to determine trace levels of folic acid (FA). An oxidant ...