Phosphorus, sulfur, and silicon and the related elements · 1992 · 11 citations · 6 references
Abstract DibenzofuranInorganic ChemistryHalogenationEngineeringHeterocyclicBiorational PesticideMedicineChemical ControlBiological ScreeningOrganic ChemistryPest ManagementToxicologyChlorosulfonic AcidChemistryHeterocycle ChemistryInsecticidePharmacologyChemical Pollution
Abstract Dibenzofuran (1), dibenzothiophen (20) and the 5,5-dioxide (29), carbazole (43) and fluorene (50) have been reacted with chlorosulfonic acid. The resultant sulfonyl chlorides (2, 12, 18, 21, 23, 27, 30, 37, 44, 46 and 51) were condensed with amines and hydrazine to afford 32 derivatives for biological screening. The orientation of chlorosulfonation has been determined by NMR spectral analysis and is compared with the chlorosulfonation of the analogous acyclic compounds. Selected compounds were tested as potential pest control agents.
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Richard J. Cremlyn, F. J. SWINBOURNE, Paul Bassin et al. · Phosphorus, sulfur, and silicon and the related elements · 1991 · 15 citations