New type of substituted 1H-pyrazole-4-carboxamides were obtained byregioselective synthesis under the catalysis of different bases. The structures of the titlecompounds were confirmed by elemental analysis, ~1H NMR, I...New type of substituted 1H-pyrazole-4-carboxamides were obtained byregioselective synthesis under the catalysis of different bases. The structures of the titlecompounds were confirmed by elemental analysis, ~1H NMR, IR, MS and X-ray crystallography. Compounds1 were transacylated into their corresponding amides 3 in the presence of sodium hydride.Preliminary bioassays indicated that some compounds showed fungicidal activities against Rhizoctoniasolani and Sclerotinia sclerotiorum.展开更多
文摘New type of substituted 1H-pyrazole-4-carboxamides were obtained byregioselective synthesis under the catalysis of different bases. The structures of the titlecompounds were confirmed by elemental analysis, ~1H NMR, IR, MS and X-ray crystallography. Compounds1 were transacylated into their corresponding amides 3 in the presence of sodium hydride.Preliminary bioassays indicated that some compounds showed fungicidal activities against Rhizoctoniasolani and Sclerotinia sclerotiorum.
