Abstract
Abstract In search of new bioactive compounds, a series of maleated rosin-based dithiourea compounds were designed and synthesised with rosin as starting material. All the title compounds were characterised by Fourier transform infra-red spectroscopy (FT-IR), proton nuclear magnetic resonance spectroscopy (1H NMR), and 13C nuclear magnetic resonance spectroscopy (13C NMR). The preliminary bioassay showed that the target compounds exhibited a certain fungicidal activity against Physalospora piricola at a concentration of 50 μg ml-1 and a certain growth herbicidal activity against the root of rape (Brassica campestris L.) at a concentration of 100 μg ml-1.
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