2-エチル-3(5または6)-ジメチルピラジン、異性體混合物 化學特性,用途語,生産方法
外観
白色～黃赤色～緑色透明液體
化學的特性
clear light yellow liquid
天然物の起源
Reported found in Burley and Virginia tobacco, cooked beef, Swiss cheese, roasted barley, cocoa products,
coffee, meat, peanuts, filberts, pecans, popcorn, rum and whiskey, soy products, cooked potato, fried pork, beer, corn, corn tortillas,
malt and cooked shrimps.
使用
2-Ethyl-3,(5 or 6)-dimethylpyrazine is a component of the alarm pheromone of fire ant, Solenopsis invicta. 2-Ethyl-3,(5 or 6)-dimethylpyrazine has shown to attract the phyorid fyl, Pseudacteon tricuspis.
製造方法
The 2-ethyl-3,5-dimethylpyrazine is obtained by alkylation of dimethyl-2, 6-pyrazine; the 2,5-dimethyl-3-ethylpyrazine
is obtained by alkylation of 2,5-dimethylpyrazine with ethyllithium. A mixture of the two can be obtained by condensation of
2,3-pentanedione with propylenediamine. A mixture of the two is obtained from the side chain alkylation of trimethylpyrazine.
2-エチル-3(5または6)-ジメチルピラジン、異性體混合物 上流と下流の製品情報
原材料
準備製品