Triazole derivative and application thereof
A technology of triazole derivatives and compounds, applied in the field of chemistry, can solve the problems of phytotoxicity of next crops, deformed seedlings, low seedling emergence rate, etc., and achieve the effects of reducing phytotoxicity, preventing lodging activity, and reducing rice plant height
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Embodiment 1
[0181] Embodiment 1: the synthesis of compound 6-55
[0182] Step A:
[0183]
[0184] Add 3.3 g of 1-(1,2,4-triazol-1-yl)-3,3-dimethyl-2-butanone, 50 mL of DMF, and 1.0 g of sodium hydride into a 100 mL flask, and stir at room temperature for 0.5 hours. 3-Chloromethyl-6-chloropyridine 3.3g, stirring and heating at 80°C for 4 hours, after the reaction was detected by TLC, add 150mL of water, extract with 50mL of ethyl acetate x 3, combine organic phases, dry over anhydrous sodium sulfate, column layer Analysis (eluent is ethyl acetate and petroleum ether (boiling range 60-90 ℃), volume ratio is 1:2) purification to obtain 2.53g compound 1-(6-chloropyridin-3-yl) 2-(1, 2,4-triazol-1-yl)-4,4-dimethyl-3-pentanone, white solid namely A6-55. 1 H NMR (600MHz, DMSO- d6 )δ8.63(s,1H),8.19(d,J=2.2Hz,1H),7.96(s,1H),7.65(dd,J=8.2,2.4Hz,1H),7.41(d,J=8.2 Hz,1H),6.08(t,J=7.7Hz,1H),3.31(d,J=7.7Hz,2H),1.06(s,9H).m / z(%):293.09[M+H] +
[0185] Step B:
[0186]
[0187] Add 1.5 g of 1...
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