Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 14869-41-1, name is 2-(2-Chloroethoxy)acetic acid, This compound has unique chemical properties. The synthetic route is as follows., Safety of 2-(2-Chloroethoxy)acetic acid
I.1.4. 2-(1-Piperazinyl)ethoxyacetic Acid 8.6 g (0.1 mol) of piperazine, 17.7 g (0.1 mol) of piperazine dihydrochloride and 50 ml of water are introduced into a 100 ml three-necked round-bottomed flask fitted with a water-cooled condenser and a mechanical stirrer. The mixture is brought to a temperature of 70° C. 15.2 g of (2-chloroethoxy) acetic acid are then added dropwise over 15 minutes. The mixture is brought to a temperature of 80° C. with stirring and is maintained at this temperature for 27 hours. The mixture is allowed to cool to room temperature and the water is evaporated off under reduced pressure on a rotary evaporator. The evaporation residue is taken up in 50 ml of ethanol and maintained at 50° C. with stirring for 45 minutes. It is then placed in an ice bath and is stirred for 1 hour. The precipitate (piperazine dihydrochloride) formed is then filtered off and the solvents are evaporated off under reduced pressure on a rotary evaporator at 50° C. 22.4 g of a yellow oil are obtained. 10 g of this mixture are purified on 130 g of Amberlyte IRA-400 resin. Elution is carried out first with 600 ml of water and then with aqueous 0.5 M ammonium acetate solution. The fractions containing the 2-(1-piperazinyl)ethoxyacetic acid or its salt are combined and the water is removed therefrom under reduced pressure at 60° C. on a rotary evaporator. 18.2 g of a mixture containing white crystals and an oil are recovered. This mixture is taken up in 75 ml of isopropanol and the insoluble crystals are filtered off. The filtrate is acidified with 20 ml of a 9N solution of hydrochloric acid in ethanol. The precipitate formed is filtered off quickly, washed with isopropanol and dried on a rotary evaporator under reduced pressure at 50° C. 7.1 g of a white solid are obtained, which solid is purified by subliming the ammonium chloride salts (4 hours at 135° C. under 0.1 mbar and then 8 hours at 150° C. under 0.1 mbar). 1.4 g of 2-(1-piperazinyl)ethoxyacetic acid dihydrochloride are thus obtained. Yield: 12percent NMR: delta: 2.36 (2H, t, 4.8 Hz); 3.45 (4H, m); 3.53 (4H, m); 3.88 (2H, t, 4.8 Hz); 4.09 (2H, s); 10 (1H, bs). Mass spectrum: 189 (MH+)
Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 14869-41-1.
Reference:
Patent; UCB, S.A.; US6140501; (2000); A;,
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