Kazan state Federal University E-Archive

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 ...

Condensation reactions of 3-camphenilanecarboxaldehyde with ketones and esters

Arbuzöv B.; Mukhamedova L. (1953)

1. 3-Camphenilance carboxaldehyde has been condensed with acetone, with 2-butanone, with acetophenone, with mesityl oxide, and with 6-methyl-5 hepten-2-one, The products formed from acetone and 2-butanone have odors that ...

Dipole moments of some derivatives of ethylphosphonous and ethylphosphonic acids

Arbuzov B.; Shavsha-Tolkacheva T. (1954)

1. Measurements were made of the dipole moments of the methyl, ethyl, n-propyl, isopropyl-, n-butyl, isobutyl, hexyl, heptyl, octyl, nonyl, and decyl esters of ethylphosphorous acid. The mean value of the dipole moment of ...

Synthesis of esters of phosphonic acids containing heterocyclic radicals - communication 4. Esters of phosphonic acids containing isoxazole and quinoxaline radicals

Arbuzov B.; Zoroastrova V. (1954)

1. Reaction of sodium dialkyl phosphite and of trialkyl phosphite with 3-chloromethylisoxazole gave esters of phosphonic acids containing the isoxazole ring. 2. Reaction of trialkyl phosphites with 2,3-di(ω-bromomethyl)- ...

Anomalous reactions of sodium diethyl phosphite and of triethyl phosphite with some halogenated derivates

Arbuzov B.; Bogonostseva N. (1954)

1. Dinaphthylchloromethane, dinaphthylbromomethane, 9-chlorofluorine and 9-bromofluorine did not react in the experimental conditions. 2. Phenanthrene was formed by reaction of sodium diethyl phosphite and triethyl phosphite ...

The action of alkyl halides on esters of antimonous and thioantimonous acids

Arbuzov B.; Samoilova O. (1954)

1. Alkyl halides react with esters of antimonous acid with cleavage of ethers and formation of dialkoxyhalostibines. In this ways the preparation was effected of diethoxy-, dibutoxy-, diisoamyloxybromostibines and of ...

Parachors of monoesters of ethylphosphonous acid

Arbuzov B.; Vinogradova V. (1954)

1. Parachors of the series of monoesters of ethylphosphonous acid from methyl through nonyl have been found. There is good agreement between found and calculated parachors on the assumption of interaction of the chains of ...

Parachors Of some esters of 5-nonanol

Arbuzov B.; Vinogradova V. (1954)

1. The 5-nonyl esters of carbonic, malonic, boric and orthosilicic acids, nor previously described in the literature, were synthesized. 2. The parachors that we obtained indicate the necessity for corrections for the ...

Dipole moments of esters of orthopropionic and orthoformic acids

Arbuzov B.; Shavsha - Tolkacheva T. (1954)

1. Measurements were nude of the dipole moments of ethyl, n-ptopyl, n-butyl, hexyl and octyl esters of orthopropionic acid (mean value of dipole moment 1.92 D), and of the methyl, ethyl and n-butyl esters of orthoformic ...

Action of alcohols on bicyclic terpene oxides communication 3. Acetals of 3-camphenilanecarboxaldehyde

Arbuzov B.; Mukhamedova L. (1954)

1. A study has been made of the reaction of camphene oxide with primary alcohols (ethyl, butyl, isobutyl and octyl) and a secondary alcohol (isopropyl) in presence of sulfuric acid. It has been shown that the reaction of ...

Condensation of α-c ampholenaldehyde with ketones and esters

Arbuzov B.; ukhamedova L. (1954)

1. By the condensation of α -campholenaldehyde in alkaline with acetone with acetone, 2-butanone, acetophenone, mesityl oxide, and 6-methyl -5 -hepten-2-one, the corresponding unsaturated ketones have been prepared. In ...

Synthesis of phosphonic esters containing heterocyclic radicals - Communication 5. Phosphonic esters containing A hydrocoumarin radical

Arbuzov B.; Zoroastrova V. (1955)

1. In presence of sodium alkoxides, dialkyl phosphites add to coumarin and 4-methylcoumarin with formation of esters of hydrocoumarin-4-yl- and 4-methylhydrocoumarine-4-yl-phosphonic acids, respectively. 2. Experiments on ...

Action of some alkoxy compounds on trialkoxy- and dialkoxychloro-stibines

Arbuzov B.; Samoilova O. (1955)

1. Both full and partial esters of antimonous acid are able to undergo transesterification when treated with alcohols or carboxylic esters. 2. Carboxylic acids react with antimonous esters with formation of mixed anhydrides. ...

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