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Sequential Interaction of Enamine with O, O-Dialkyldithiophosphoric Acid and Electrophilic Reagent
The adduct of O, O -dialkyldithiophosphoric acid and enamine reacts exothermically with an electrophilic reagent. In the case of sulfenyl bromide, the...
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Three component reactions of enamines, O,O-dialkyldithiophosphoric acids, and electrophiles
The product of addition of O, O -dialkyldithiophosphoric acid to enamine reacted with the third reaction component of electrophilic nature, for...
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Improvement of the Tribological Properties of Polyurea Lubricants by the Use of Functional Additives
The effect of antifriction additives based on dialkyldithiophosphoric acid and molybdenum-containing friction modifiers (A-22, A-23, A-24, DF-11,...
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Corrosion Control (III): Corrosion Inhibitors
Corrosion inhibitors are effective in corrosion mitigation under CCUS conditions. Adding corrosion inhibitors is a relatively economical, effective,...
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A method for the determination of ZnDDP in lubricant oils by applying solid-phase extraction with mixed resin
One of the major applications of zinc dialkyldithiophosphates (ZnDDPs) is their usage as an anti-wear additive in lubricants including greases,...
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Derivatives of 2,5-Dimercapto-1,3,4-Thiadiazole as Multifunctional Lubricant Additives
Research on additives is important for many oil companies today. The rapidly growing market for lubricants has led to efforts to improve such...
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Reactions of diphenyldithiophosphinic acid with N-alkyl-2-chloro-2-methylpropanimines
In contrast to O , O -dialkyldithiophosphoric acids, the reactions of more weak diphenyldithiophosphinic acid with N -alkyl-2-chloro-2-methylpropanimines...
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Iron Extraction with Di(2-Ethylhexyl)dithiophosphoric Acid and a Binary Extractant Based on It
Iron(III) extraction with trioctylmethylammonium di(2-ethylhexyl)dithiophosphate and di(2- ethylhexyl)dithiophosphoric acid was studied. It was shown...
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Reactions of the N-isopropyl-α-chloroketimines with PIV dithioacids
A primary iminium salt formed in the reaction of P IV dithioacids with N -isopropyl-α-chloroketimines is transformed into products of nucleophilic...
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Reaction of O,O-dialkyldithiophosphoric acid with N-tert-butyl-2,2-dihalopropanimines
O,O -Dialkyldithiophosphoric acid reacted with N - tert -butyl-2,2-dihalopropanimines to give iminium salt as a primary product, which further...
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Reaction of O,O-dialkyldithiophosphoric acids with N-alkyl-2-haloaldimines
Synthetic results of reactions of O,O -dialkyldithiophosphoric acids with N-alkyl-2-haloaldimines fundamentally depend on the nature of the halogen:...
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Reactions of phosphorus acids with N-tert-butyl-2,2-dichloropropanimine
Reaction of N- tert -butyl-2,2-dichloropropanimine with dialkylphosphorous acids led to the formation of stable adducts, the chlorine atoms of which...
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Reaction of O,O-dialkyldithiophosphoric acids with N-alkyl-2-chloro-2-methylpropanimines
A reaction between O , O -dialkyldithiophosphoric acids and N -alkyl-2-chloro-2-methyl-propanimines proceeds in two steps: a protonation of the imine...
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Dithiophosphorylation of trimethylsilyl ethers of carvacrol and thymol
Carvacrol trimethylsilyl ether when reacting with P 4 S 10 forms S-trimethylsilyl ester of O , O -bis(5-isopropyl-2-methylphenyl)dithiophosphoric acid. The...
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Modern Trends of Organic Chemistry in Russian Universities
This review is devoted to the scientific achievements of the departments of organic chemistry in higher schools of Russia within the past decade.
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New promising methods of synthesis of pyridinecarbothioamides
New methods of synthesis of pyridinecarbothioamides from the corresponding cyanopyridines with the use of phosphorus pentasulfide as a thiontion...
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Synthesis of organophosphorus compounds based on the reaction of elemental phosphorus with proton-donor reagents
Reaction of elemental (white) phosphorus with proton-donor reagents has been studied. The following organophosphorus compounds containing P-O and P-S...
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Reactions of O,O-dialkyldithiophosphoric acids with non-activated α-olefins
Electrophilic addition reactions of O,O -dialkyldithiophosphoric acids to non-activated α-olefins proceeding in accordance with the Markovnikov’s rule...