Butyl propyl ketone

Butyl propyl ketone, o38 Butyl stearate, b58l Butyl sulfate, dl69 Butyl sulfide, dl70... 

Butyl ophthalate, dl28 Butyl propyl ketone, 036 Butyl stearate, b466 Butyl sulfate, dl31... 

Preparation of imines and enamines from carbonyl compounds and amines can be achieved with a dehydrating agent under acid/base catalysis [563]. Basically, primary amines afford imines unless isomerization to an enamine is favored as a result of conjugation, etc (see Eq. 252), and secondary amines afford iminium salts or enamines. These transformations can be conducted efficiently with a catalytic or stoichiometric amount of a titanium salt such as TiCU or Ti(0-/-Pr)4. Equation (247) illustrates an advantageous feature of this method in the imination of a hindered ketone. f-Butyl propyl ketone resisted the formation of the imine even by some methods reported useful for sterically hindered ketones [564,565]. The TiCU-based method works well, however, for this compound, giving the desired imine in high yield within a relatively short reaction period [566]. Imine derivatives such as iV-sulfonylimines could be... 

Af-tert-Butylacrylamide 1656 Butyl propyl ketone 8362 Carbitol acetate 3448... 

Solvents used for dewaxing are naphtha, propane, sulfur dioxide, acetone—benzene, trichloroethylene, ethylenedichloride—benzene (Barisol), methyl ethyl ketone—benzene (benzol), methyl -butyl ketone, and methyl / -propyl ketone. Other solvents in commercial use for dewaxing include /V-methylpyrrolidinone, MEK—MIBK (methyl isobutyl ketone), dichloroethane—methylene dichloride, and propfyene—acetone. 

A similar preference for formation of the syn aldol is found for other Z-enolates derived from ketones in which one of the carbonyl substituents is bulky.5 Ketone enolates in which the other carbonyl substituent is less bulky show a decreasing stereoselectivity in the order /-butyl > /-propyl > ethyl.4 This trend reflects a decreasing preference for formation of the Z-enolate. 

Calvert has studied the competing type I and II processes in various -propyl alkyl ketones in the gas phase, and finds that increases and decreases as the alkyl group is changed from methyl through r-butyl,359 as might be expected. Perhaps the most dramatic illustration of the inherent inefficiency of type II photoelimination is provided by the fact that at 100°, where the quantum yield for type I cleavage of diethyl ketone is 1.0, the total quantum yield for disappearance of di- -propyl ketone is only 0.58.359... 

NIOSH Methods 1300 and 1301 (NIOSH 1984) describe the determination of common ketones in air. The compounds evaluated in the study include acetone, methyl propyl ketone, methyl isobutyl ketone, methyl n-butyl ketone, diisobutyl ketone, cyclohexanone, ethyl butyl ketone, methyl amyl ketone, ethyl amyl ketone, mesityl oxide, and camphor [76-22-2], The analysis involves adsorption... 

Methyl n-propyl ketone and methyl n-butyl ketone have been subjected to 3 Mev y-rays (Pitts and Osborne, 1961). Two of the many products, acetone and an olefin (ethylene from the first ketone and propylene from the second), could have been formed by an intramolecular hydrogen rearrangement analogous to the McLafferty rearrangement in mass spectrometry and the Norrish type II photochemical process (Section D). Essentially the same interpretation has been mentioned briefly by Ausloos and Paulson (1958). 

Methyl hydrazine Methyl isobutyl ketone Methyl isobutyrate Methyl, mercaptan Methyl methacrylate 1 -Methylnaphthalene 2-Methyl-2-propanethiol, see t-Butyl mercaptan Methyl-n-Propyl ketone 1 -Methylpyrrole Methyl salicylate a-Methyl styrene m.-p-Methyl styrene Methyl sulphate, see Dimethyl sulphate... 

Diazomethane (15, 3) Diazomethane and its homologs are prqrared by the action of sodium /jo-proporide in o-propyl alcohol upon the products of nitrosation from 8-alkyl3mino-iso-butyl methyl ketones (obtained by adding the amine to mesityl oxide). Adamson and Kenner, J. Chem. Soc. 1935, 286. 

In a few instances, not only methyl ketones but other alkyl ketones are degraded to shorter carboxylic acids resulting from halogenation of the methylene group adjacent to the carbonyl and subsequent hydrolysis [103, 160,1172]. The reaction between propiophenone and sodium hypobromite at 22-25 °C gives a 96% yield of benzoic acid [303]. Under similar conditions, 5-butyl-2-butyrylpyridine is converted into 5-butyl-a-picolinic acid in 79% yield [160]. Methyl 3-(a-pyridyl)propyl ketone yields not only the... 

Preparation of Monomers. Methyl vinyl ketone (MVK) was obtained from Pfizer Chemical Division, New York, and distilled to remove the inhibitor. Methyl isopropenyl ketone (MIPK) was prepared by the aldol condensation of methyl ethyl ketone and formaldehyde, according to the method of Landau and Irany 0. The major impurity in this monomer is ethyl vinyl ketone (5. The monomer was redistilled before use. 3 Ethyl 3 buten 2 one (EB) was prepared by the aldol condensation of methyl propyl ketone and formaldehyde. Ethyl vinyl ketone (EVK) was prepared by a Grignard synthesis of the alcohol, followed by oxidation to the ketone. t-Butyl vinyl ketone (tBVK) was prepared from pinacolone and formaldehyde by the method of Cologne (9). Phenyl vinyl ketone (PVK) was prepared fay the dehydrochlorlnatlon of 0 cbloro propiophenone (Eastman Kodak). Phenyl isopropenyl ketone (PPK) was prepared by the Mannich reaction using propiophenone, formaldehyde and dimethylamine HCl. 

CO. CHa, CO2, acetone, ketene. ethene. propene, 1-butene, benzene, toluene, mesitylene. xylene, methyl ethyl ketone, diethyl ketone, methyl-n-propyt ketone, methyl-n-butyl ketone, ethyl vinyl ketone, methyl propenyl ketone (trace), ethyl propyl ketone (trace), 3-methyl-cydopenlanone, cyclohexanone (trace), cyclohexa-2-enone, 2-methyl-cyclohexanone, 1-methyl-cydohexa-1-ene-3-one (trace), acrolein, mesityl oxide, ethanal, propanal. butanal. chain fragments, some monomer... 

The hydroxyl containing terpolymers have solubilities similar to those of the medium-to-low molecular weight vinyl chloride-vinyl acetate copolymers. This resin solubility system is shown in Figure 18. The ketones evaluated were methyl n-butyl ketone and methyl n-propyl ketone. 

Acetone Diethyl ketone Di-n-propyl ketone. Di-iso-propyl ketone Di-n-butyl ketone Di-iso-butyl ketone... 

Di-n-hexyl ketone Methyl ethyl ketone Methyl n-propyl ketone Methyl iso-propyl ketone Methyl n-butyl ketone Methyl iso-butyl ketone Methyl n-amyl ketone Methyl n-hexyl ketone Chloroacetone. ... 

Alternative Names/Abbreviations 2-Hexanone, propyl acetone, n-butyl methyl ketone, MBK, MNBK... 

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