Abstract
From insight into the structure of trehazolin as trehalase inhibitor, six series of fluorine-containing phenylimino-thiazolidines (oxazolidines) derivatives were designed and prepared through a convenient synthesis of fluoroaryl isothiocyanate and a one-pot facile synthesis in high yield of fluorophenyl aminobenzoxazoles by cyclodesulfurization. The structures of the target compounds were confirmed with using IR, NMR, MS and elemental analysis. Their X-ray crystal analysis suggested that there were novel intermolecular (sp 2CF ⋯ H 3C ) and intramolecular (sp 2CF ⋯ HN) hydrogen bonds between the fluorine atom on benzene ring and hydrogen atom of methyl group or amino group on five-membered heterocycle. Their fungicidal activities against Rhizoctonia solani and Pyricuraria oryzae at 100 ppm were determined.
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