2-Methyl-1,3-dioxolane-2-acetic acid ethyl

Ethyl 3-oxobutyrate ethylene ketal Fructone Ketopommal 2-Methyl-1,3-dioxolane-2-acetic acid ethyl ester... 

N-Methyl-N,N-dioctyl-1-octanaminium chloride. See Tricaprylyl methyl ammonium chloride 8-Methyl-3,6-dioxa-1-undecanol. See Diethylene glycol methylpentyl ether 2-Methyl-1,3-dioxolane-2-acetic acid ethyl ester. See Ethyl acetoacetate ethylene ketal 4-Methyl-1,3-dioxolan-2-one. See Propylene carbonate... 

The thermal decomposition of 3,5-dihydroxy-3,5-dimethyl-l,2-dioxolan (28) in glacial acetic acid or water at 110° is very complex, and leads to the following products acetic acid (60%), lactic acid (13%), propionic acid (6%), carbon dioxide (6%), acetylacetone (10%), methane (5%), carbon monoxide (2%), formic acid (1%), 3,5-diacetylheptane-2,6-dione (0.4%), and a mixture of acetone, methyl ethyl ketone, acetaldehyde, and methylglyoxal.89,40... 

Dioxolane-2-acetic acid, 2-methyl-, ethyl ester. See Ethyl acetoacetate ethylene ketal... 

Ethyl acetoacetate 3-ethylene acetal Ethylacetoacetate ethyleneglycol acetal Ethyl acetoacetate ethyleneglycol ketal. See Ethyl acetoacetate ethylene ketal Ethyl acetoacetate ethylene ketal CAS 6413-10-1 EINECS/ELINCS 229-114-0 Synonyms 1,3-Dioxolane-2-acetic acid, 2-methyl-, ethyl ester Ethyl acetoacetate 3-ethylene acetal Ethylacetoacetate ethyleneglycol acetal Ethyl acetoacetate ethyleneglycol ketal Ethyl 2-methyl-1,3-dioxolane-2-acetate... 

Trans-acetalization is also useful. Treatment of a ketone with excess 2-ethyl-2-methyl-l, 3-dioxolane in acid gives 2-butanone and the new ketal (Eq. 6.33) [56]. In some cases, a smaller excess of dioxolane is used and the reaction is driven by distilling the 2-butanone as it is formed. 

Ethylene glycol in the presence of an acid catalyst readily reacts with aldehydes and ketones to form cyclic acetals and ketals (60). 1,3-Dioxolane [646-06-0] is the product of condensing formaldehyde and ethylene glycol. Applications for 1,3-dioxolane are as a solvent replacement for methylene chloride, 1,2-dichloroethane, 1,1,1-trichloroethane, and methyl ethyl ketone as a solvent for polymers as an inhibitor in 1,1,1-trichloroethane as a polymer or matrix interaction product for metal working and electroplating in lithium batteries and in the electronics industry (61). 1,3-Dioxolane can also be used in the formation of polyacetals, both for homopolymerization and as a comonomer with formaldehyde. Cyclic acetals and ketals are used as protecting groups for reaction-sensitive aldehydes and ketones in natural product synthesis and pharmaceuticals (62). 

The solubility of PLA is dependent on the molar weight and the crystallinity degree of the polymer. For the enantiopure PLA, chloroform and other chlorinated organic solvents, such as furan, dioxane, dioxolane and pyridine are good solvents. In addition to these organic solvents, the non-enantiopure PLA is soluble in ethyl acetate, dimethylsulfoxide, tetrahydrofuran, acetone, xylene, methyl ethyl ketone, ethyl lactate and dimethylformamide. However, lactic acid based polymers are not soluble in water, alcohol (e.g. ethanol, methanol), isopropyl ether, or unsubstituted hydrocarbons (e.g. cyclohexane, heptane) [19]. 

Dioxolane Ethyl formate Glycidol Methyl acetate Propionic acid... 

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