Aminations ketones

P3O5 Gas streams not suitable for alcohols, amines, ketones, or amines 2 X 10-5 0.5 Not feasible... 

Bond dissociation energies (BDEs) for the oxygen—oxygen and oxygen— hydrogen bonds are 167—184 kj/mol (40.0—44.0 kcal/mol) and 375 kj/mol (89.6 kcal/mol), respectively (10,45). Heats of formation, entropies, andheat capacities of hydroperoxides have been summarized (9). Hydroperoxides exist as hydrogen-bonded dimers in nonpolar solvents and readily form hydrogen-bonded associations with ethers, alcohols, amines, ketones, sulfoxides, and carboxyhc acids (46). Other physical properties of hydroperoxides have been reported (46). 

Hydroxyalkyl groups attached to pyridopyridazines have been converted to haloalkyl groups by standard methods and the products reacted with amines. Ketones have been converted to hydrazones and oximes and the resulting derivatives deprotected during syntheses. 

Viton (FKM, FPM) Water Petroleum oils Many inorganic acids (Most all NBR fluids) Amines Ketones Esters Organic acids Liquid ammonia... 

Amines Ketone-amines Acetone-diphenylainine and acetone-aniline (I) Yes Main use in rubber compounds for good heat aging. 

Both anodic and general inhibitors are nonpassivating and are suitable for use with hydrochloric acid-based cleaners. Other inhibitor groups include filming amines such as polymethylimine and diamines, the rosin-amine ketones, and also some of the imidazoline surfactants. The imidazolines provide increased protection at levels up to their critical miscelle concentration (CMC), above which there is a leveling off as a thick, adherent diffusion barrier is formed. 

Many impurities are present in commercial caprolactam which pass into the liquid wastes from PCA manufacture from which caprolactam monomer may be recovered. Also, the products of die thermal degradation of PCA, dyes, lubricants, and other PCA fillers may be contained in the regenerated CL. Identification of die contaminants by IR spectroscopy has led to the detection of lower carboxylic acids, secondary amines, ketones, and esters. Aldehydes and hydroperoxides have been identified by polarography and thin-layer chromatography. 

Aromatic amine-Ketone. The interaction between anihne, the simplest of the aromatic amines with acetone in the presence of various catalysts to yield N-isopropylaniline was examined (Table 17.3). Among the catalysts tested, sulfided platinum catalysts were found to be the most active catalysts for this reaction. 

The reductive alkylation of DAP with acetone led to high conversions and selectivity to the dialkylated product over Al, Bl, and BS2 catalysts. The ASl catalyst, which typically has lower activity than the Al or Pt-based catalysts showed greater formation of heterocycles. These results indicate that a more active catalyst, a shorter reaction time, a higher operating temperature, or sterically hindered amines/ketones will help minimize the formation of the heterocycles. Similar high selectivities were obtained with DAP-MIBK reaction over BSl and BS2 catalysts with no heterocycles being formed. However, over Al, the undesired heterocyclic compound was over 15%. This indicates that the reaction between diamines and ketones has a significant potential to form heterocyclic compounds unless the interaction between these is kept to a minimum by the use of a continuous flow reactor as proposed by Speranza et al. (16) or by other methods. 

The cycloaddition, reduction and oxidation reactions emanating from a,/J-unsatu-rated nitroalkenes provide easy access to a vast array of functionalities that include nitroalkanes, N-substituted hydroxylamines, amines, ketones, oximes, and a-substi-tuted oximes and ketones [73-75], Consequently, there are numerous possibilities of using these in situ generated nitroalkenes for the preparation of valuable building blocks and synthetic precursors. 

That is why logically to assume the possibility of specific interactions also during the swelling process, since the values of parameters of the coal solubility S2, which are determining accordingly to the Flory Renner s equation are differed. It depends on fact if the data for all solvents are taking into account in calculations or such calculations are performed with the exclusion of results for solvents able to be as acceptors of hydrogen bonds (amines, ketones). Different results have been obtained also under application of other methods for calculations, especially of the Van-Krevelen s method [14],... 

Examples of such charge-transfer complexes include the complex formed between a metal ion and a -n orbital of a double bond or an aromatic system , the complex formed between polynitro aromatics (such as picric acid) and other w-orbital-containing molecules, and complexes of I2 and Br2 with amines, ketones, aromatics, etc ° Phenols and quinones also form charge-transfer complexes ... 

Amine Ketone Alkyl group Yield % E.E. Reference... 

TEVES has been used to treat soils contaminated with laboratory-generated organic wastes including alcohols, aldehydes, amines, ketones, benzene and substituted benzenes, ethers, phenols, polymers, and heterocyclic compounds. The largest volume of organic wastes treated were volatile organic compounds (VOCs) and various types of oils (hydraulic, transformer, heat transfer fluid, and motor oils). 

The significance of the amino methylenated amines, ketones, and amides as important compounds and reaction intermediates is well-documented and the use of "Gold s reagent," therefore, provides an efficient, economical, and clean method for obtaining such substances. 

They decompose with ease to transfer oxygen to the double bond. a-Hydroperoxy ethers, amines, ketones, acids, and acid derivatives with the general formula 27 have properties comparable to those of organic peracids.238,240,241... 

Alkanes Alkenes Alkynes Aromatics Alcohols/Phenols Ethers Amines Ketones Aldehydes Esters... 

The chemistry of flavins is complex, a fact that is reflected in the uncertainity that has accompanied efforts to understand mechanisms. For flavoproteins at least four mechanistic possibilities must be considered.1533 233 (a) A reasonable hydride-transfer mechanism can be written for flavoprotein dehydrogenases (Eq. 15-23). The hydride ion is donated at N-5 and a proton is accepted at N-l. The oxidation of alcohols, amines, ketones, and reduced pyridine nucleotides can all be visualized in this way. Support for such a mechanism came from study of the nonenzymatic oxidation of NADH by flavins, a reaction that occurs at moderate speed in water at room temperature. A variety of flavins and dihydropyridine derivatives have been studied, and the electronic effects observed for the reaction are compatible with the hydride ion mecha-nism.234 236... 

Hydroperoxides exist as hyclrogen-bonded dimers in nonpolar solvents and readily form hydrogen-bonded associations with ethers, alcohols, amines, ketones, sulfoxides, and carboxylic acids. Other physical properties of hydroperoxides have been reported in the literature. 

Anhydrides Amines ketones (sugars). thiophenols. Hydrazines. Aldehydes. Ketones. of the above amines. Nitroso, azo,... 

Used to introduce chromophores into alcohols, amines, ketones, aldehydes, mercaptans, and phenols aids in separation of estrogen derivatives Reference 26... 

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