Feng Ju-hon
2013
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Journal
Journal of Wuhan Institute of Technology
Abstract
To obtain the novel nitroguanidine derivatives with potent fungicidal activities,guanidine nitrate was used as the starting material.The substituted nitroguanidine compounds were given by the nitration and alkylation reactions with the guanidine nitrate.Six novel benzoyl nitroguanidine derivatives were designed and synthesized by the acylation reactions of benzoyl chloride with the substituted nitroguanidine compounds.The structures of the target molecules were characterized by nuclear magnetic resonance spectrum and mass spectrum.The preliminary fungicidal activities tests of the synthesized compounds were measured using plate growth rate method.The results show that inhibition rate of 2b and 2c at 200μg/mL against Rhizoctonia solani AG-1-IB is 90.7% and 87.0%, respectively;the activities of 2b and 2c are better than those of positive control hymexazol.