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Отображаемые элементы 1-20 из 24551

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The thermodynamics of strontium

Kapustinsky A.; Dezideryeva I. (1946)

1. Measurements of heats of solution of strontium carbonate in hydrochloric acid were carried out which make it possible to determine the heats of reaction: SrO(s)+CO2(g)=SrCO3(s) ΔH 298=-290,887 cal. Sr(s)+C(gr)+3/2O ...
Viscosity-structure relationship for phosphorous, phosphoric, phosphorothionic, and boric esters

Arbuzov B.; Vinogradova V. (1952)

1. The specific viscosities have been determined of dilute solutions in benzene and in carbon tetrachloride of phosphorous and boric esters having long hydrocarbon radicals (from octyl to decyl. Comparison of the values ...
Complex compounds of phophorous esters Communication 1. Compounds with copper, silver, and gold salts

Arbuzov A.; Zoroastrova V. (1952)

1. The synthesis has been performed for the first time of complex compounds of-triisopropyl phosphite with silver halides and of complex compounds of triisopropylphosphite and,of benzyl 1-methyltrimethylene phosphite with ...
Complex compounds of phosphorous esters Communication 2. Complex compounds with platinous salts

Arbuzov A.; Zoroastrova V. (1952)

1. Compounds of the general formula PtCl2·2P(OR)3, where R = CH3, C2H5, C3H7-i, and C6H5, have been prepared by the action of platinous chloride on trialkyl phosphites, and some of their properties have been studied. The ...
Dipole moments of N,N-diethyl(dialkoxyphosphinyl)formamides

Arbuzov B.; Shavsha T. (1952)

1. Dipole-moment measurements have been made on six N,N-diethyl(dialkoxyphosphinyl)formamides. The mean value obtained for the dipole moments is 2.96 D, which is close to the value calculated on the assumption of free ...
Complex compounds of phosphorous esters Communication 3. Complex compounds with mercury salts

Arbuzov A.; Zoroastrova V. (1952)

1. It has been found that mercuric halides react with full esters of phosphorous acid with formation of complex compounds. The following compounds have been isolated in the crystalline form: [HgBr2 · P(OCH3)3]2; [HgCl2 · ...
Esters of "glycolphosphorus acids" Communcation 2. Compounds having a six-membered ring

Arbuzov A.; Zoroastrova V. (1952)

1. By the action of 1,3-propanediol and of 1,3-butanediol on phosphorus trichloride, the cyclic compounds, trimethylene phosphorochloridite and 1-methyltrimethylene phosphorochloridite, have been prepared. 2. By reaction ...
New method for the synthesis of phosphonic and phosphinic esters and their thio analogs Communication 14. New method for the synthesis of amino phosphonic esters

Pudovik A.; Korchemkina M. (1952)

A new method has been developed for the synthesis of amino phosphonics acids. It consists in the addition.of dialkylphosphorous acids to anils in presence of alkali-metal alkoxides. © 1953 Consultants Bureau.
"Phosphonoethylation" and diene-synthesis reactions with vinylphosphonic esters

Pudovik A.; Imaev M. (1952)

1. Dibutyl vinylphosphonate has been synthesized. 2. It has been shown that vinylphosphonic esters combine at the double bond with hydrogen sulfide and with mercaptans, yielding the corresponding dialkyl 2-mercaptoethylp ...
Addition of dialkylphosphorous acids and of their acid chlorides to α-epoxides

Pudovik A.; Ivanov B. (1952)

1. It has been shown that dimethylphosphorous and diethylphosphorous acids add to, ethylene oxide, 1,2epoxycyclohexane; and 1,2-epoxy 3-ethoxypropane in presence of small amounts of boron tr fluoride etherate with formation ...
Esters of "glycolphosphorous acids" Communication I. Compounds having five-, seven, and, eight-membered rings

Arbuzov A.; Zoroastrova V. (1952)

1. A study has been made of the action of ethylene glycol, of 1,4-butanediol, and of diethylene glycol on phosphorus trichloride in presence of substances that bind hydrogen chloride. Cyclic esters of phosphorochloridous ...
Ethylene ester of phosphorochloridodithious acid, and related substancess

Arbuzov A.; Zoroastrova V. (1952)

1. By the action of phosphorous trichloride on 1,2-ethanedithiol a cyclic ester of phosphorochloridodithious acid has been prepared. 2. Mixed ω-alkyl ethylene esters of phsophorodithious acid have been prepared both by the ...
Viscosity and structure of dialkylphosphorous acids

Arbuzov B.; Vinogradova V. (1952)

1. Viscosity determinations on dialkylphosphorous acids in dilute carbon tetrachloride or benzene solution give value of ηequiv that indicate that these substances are in the monomeric condition. 2. By transesterification ...
N-substituted cyclic esters of phosphoramidous acid

Arbuzov A.; Zoroastrova V. (1952)

1. It has been found that cyclic esters, of phosphorochloridous acid: react with aliphatic and aromatic amines, forming N-substituted cyclic esters of phosphoramidous acid. 2. The following compounds have been synthesized-and ...
Hexadecyl esters of certain inoganic acids

Arbuzov B.; Vinogradova V. (1952)

Trihexadecyl phosphite and tetrahexadecylorhosilicate have been prepared by transesterification of the ethyl esters of the corresponding acids by means of 1-hexadecarol, Trihexadecyl borate has been prepared by the action ...
New method for the synthesis of phosphonic and phosphinic esters and their thio analogs Communication 13. Addition of O,O-diethyl hydrogen phosphorothidite to ketones and aldehydes

Pudovik A.; Zametaeva G. (1952)

1. It has been shown that O,O-diethyl hydrogen phosphorothioitein presence of sodium ethoxide reacts readily at the double bond of unsaturated ketones with formation of keto phosphonothionic esters. It adds to saturated ...
Esters of alkylphospronic acids, and their parachors

Arbuzov B.; Vinogradova V. (1952)

1. The following alkylphosphonic esters have been synthesized: dibutyl, dihexyl, dioctyl, and didecyl methylphosphonates; dihexyl hexylphosphonate, dioctyl octylphosphonate, dinonyl nonygphosphonate, and didecyl decylphosphonate. ...
Reactions of bis(chloromethyl) ethers of glycols with sodium alkoxides

Arbuzov B.; Vinokurova G. (1953)

1. A study has been made of the chloromethylation of 1,2- and 1,3-propanediols, and this has resulted in the preparation of the two corresponding bis(chloromethyl) ethers, which have not been described previously. 2. A ...
Isomerization of terpene hydrocarbons by the action of silica gel under the conditions of adsorptional analysis

Arbuzov B.; Isaeva Z. (1953)

1. α-Pinene, δ3-carene, and dipentene are isomerized on silica gel under the conditions of adsorptional analysis: α-pinene is isomerized to camphene, dipentene, and terpinolene; Δ3-carene to dipentene and terpinolene: and ...
The action of phosphorus trichloride on the ethyl esters of orthopropionic and orthosilicic acids

Arbuzov B.; Bogonostseva N. (1953)

1. When three molecules ef the ethyl ester of orthopropionic acid were reacted with one of phosphorus trichloride, the ethyl ester of propionic acid, triethyl phosphite, and the diethyl acetal of the ethyl ester of proponyl ...

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