Sec-Butyl methyl ketone

Table 2.5 Comparison between equilibrium (eq) and nonequilibrium (neq) B3LYP/6-3IC(d) intensity shifts (km mob ) with respect to the gas phase for dimethyl ketone (DMK), methyl ethyl ketone (MEK), sec-butyl methyl ketone (SBMK) and tert-butyl methyl ketone (TBMK). Experimental data from ref [53] are also shown for comparison...

D.19) 2-Pentanone, 3-methyl-, 3-methylpentan-2-one, methyl 1-methylpropyl ketone, sec-butyl methyl ketone 1565-61-7] (5)- 2695-53-6]... 

CL Hexone, see iso-Butyl methyl ketone sec-Hexyl acetate 0.86 4.97... 

Problem 21.6 Give the structure corresponding to each name (a) sec-butyl ethyl ketone (b) methyl vinyl ketone ... 

Data for the initial reaction rate for the catalytic dehydrogenation of sec-butyl alcohol to methyl ethyl ketone are given in Table 16.13 (Thaller and Thodos, 1960 Shah, 1965). The following two models were considered for the initial rate ... 

Use of butyllithium in place of sec-butyllithium at this point results in formation of some a-butylated ester by-product later upon warming, while use of sec-butyllithium in greater excess results in tormation of methyl ketone Id (X, Y = H) in the final product. 

METHYL ISOBUTYL KETONE n-PENTYL FORMATE n-BUTYL ACETATE sec-BUTYL ACETATE tert-BUTYL ACETATE ETHYL n-BUTYRATE ETHYL ISOBUTYRATE ISOBUTYL ACETATE n-PROPYL PROPIONATE CYCLOHEXYL PEROXIDE DIACETONE ALCOHOL 2-ETHYL BUTYRIC ACID n-HEXANOIC ACID 2-ETHOXYETHYL ACETATE HYDROXYCAPROIC ACID PARALDEHYDE... 

A related procedure, which may be of value from the preparative standpoint, involves the preparation of /rans-nitrosomethane dimer by adding a solution of diacetyl peroxide in sec-butyl nitrite to warm sec-butyl nitrite [50]. From the product of the reaction it has been assumed that this preparation involves the generation of free methyl radicals which react with the nitrite to give nitrosomethane and alkoxy radicals. The latter disproportionate to ketones and alcohols, while the nitroso compound dimerizes. 

Butanediol N-Butyl Mercaptan N-Butyric Acid N-Butyric Acid N-butyl Alcohol N-Butyl Alcohol Sec-Butyl Alcohol Methyl Ethyl Ketone Crotonalcehyde Butylene... 

Extraction solution Mixture of dry methyl ethyl ketone and dry sec.-butyl alcohol of the following ratio ... 

Dry solvents for extraction by adding approximately a one-inch layer of molecular sieves directly to gallon containers of methyl ethyl ketone and sec.-butyl alcohol prior to mixing in the proper ratio and allow a minimum of two days for the absorption of the moisture in the solvent. 

In petroleum and oxygenate finish removers, the major ingredient is normally acetone, methyl elliyl ketone, or toluene. Cosolvcnts include methanol, n-butanol, sec-butyl alcohol, or xylene. Sodium hydroxide or amines are used to activate the remover. Paraffin wax is used as an evaporadon retarder though its effectiveness is limited because it is highly soluble in the petroleum solvents. Cellulose thickeners are sometimes added to liquid formulas to assist in pulling the paraffin wax from the liquid to form a vapor barrier or to make a thick formula. Corrosion inhibitors are added to stabilize the formula for packaging (qv). 

RWE-DEA (former Deutsche Texaco AG) is one of the leading companies in the development and conmercial application of processes using ion excnange resins as acidic catalysts. Our expertise comprises production of bulk chemicals, sucn as MTBE (refs. 2-3), isopropyl alcohol (refs. 2, 4-5) and sec-butyl alcohol (refs. 2, 6-7) as well as manufacture of low-volume chemicals sold at higner prices, sucn as methyl isobutyl ketone, methyl isopropenyl Ketone and methyl isopropyl ketone (refs. 8, 9-10) ... 

Thaller, L. and Thodos, G. A.I.Ch.EJl. 6 (1960) 369. The dual nature of a catalytic reaction the dehydration of sec-butyl alcohol to methyl ethyl ketone at elevated pressures. 

Methyl ethyl ketone (MEK boiling point 769.6°C, density 0.8062, flash point -6°C) is an important coating solvent for many polymers and is made by the sulfation and hydration of 1 or 2-butene to sec-butyl alcohol, which is then dehydrogenated to the ketone (Fig. 1). 

Tertiary alcohols are oxidized in water-dioxane-NaOH to alkoxy radicals, wliich fragmentate to ketone and alkyl radicals R- (Eq. (216) ). The relative rate of cleavage decreases with R in the order sec -butyl > isopropyl > ethyl > propyl > pentyl > isobutyl > methyl 46 8). Likewise, the bisulfite adduct of cyclohexanone is converted in 20% yield to 4-hydroxyhexanoic acid lactone (160) and 3-hydroxycyclohexanoic acid lactone (161) by anodic fragmentation (Eq. (222) ) 469 ... 

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