Rice gall midge sex attractant and application thereof
A rice gall midge and attractant technology, applied in the field of insect pheromones, can solve the problems of sharp decline in the population of natural enemies, increased resistance of rice gall midge, and excessive pesticide residues, etc., to achieve a decrease in insect population density, low cost, and good accuracy Effect
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[0032] The present invention will be described below through specific examples, but the present invention is not limited thereto.
[0033] Unless otherwise specified, the experimental methods used in the following examples are conventional methods; the reagents and materials used in the following examples, unless otherwise specified, can be obtained from commercial sources.
[0034] (2S, 6S)-2,6-diacetoxyheptane (12) and (6S)-6-acetoxyl-2-heptanone (11) used in the present invention according to figure 1 The synthetic route diagram shown is prepared, and the specific preparation method is as follows:
[0035] 1) Synthesis of (R)-4-methylphenylmethyl sulfoxide (2)
[0036] Under the protection of nitrogen, 200mL of anhydrous dichloromethane, 24.8g of (R.R)-diethyl tartrate, and 16.8g of tetraisopropyl titanium oxide were added to a 500mL Shrek bottle, and then 1.08mL was slowly added dropwise after stirring for 10 minutes. water, the system was stirred at 25°C for 30min, then...
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