YU. I. SUDAREV’s research while affiliated with Institute of Spectroscopy and other places

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Publications (10)


ChemInform Abstract: REACTIONS OF MIXED ESTERS OF PHOSPHORUS(III) ACIDS, CONTAINING ALKOXY AND TRIORGANOSILOXY SUBSTITUTED PHOSPHORUS, WITH HALOGENS, HALOALKYLS, AND ACYLS
  • Article

October 1982

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6 Reads

Chemischer Informationsdienst

T. KH. GAZIZOV

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YU. I. SUDAREV

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I. KH. SHAKIROV

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[...]

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A. N. PUDOVIK

Gemischte Ester wie (I) oder (V) reagieren mit Halogenen, Halogenalkylen oder Acylhalogeniden nach dem Schema einer Arbusov- Umlagerung.




Mechanism of the reactions of trialkyl phosphites with ?-halocarbonyl compounds

November 1978

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16 Reads

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2 Citations

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science

1. Trialkyl phosphites react with chloral at low temperatures (from −40 to −70°C) in a 1∶2 ratio to form 1,4,2-dioxaphospholanes, which are converted under the action of HCl into dialkyl α- (1-hydroxy-2,2,2-trichloroethoxy)-β,β,β-trichloroethylphosphonates. 2. The kinetics of the reaction of triethyl phosphite with chloral have been studied by high-speed Raman spectroscopy, and it has been shown that the formation of 2,2,2-triethoxy-3,5-bis(trichloromethyl)-1,4,2-dioxaphospholane is observed at room temperature and that the latter compound slowly decomposes into diethyl β,β-dichlorovinyl phosphate and ethyl chloride with the accompanying splitting off of chloral. 3. It has been postulated that the reaction of trialkyl phosphites with chloral begins with the attack of the phosphite phosphorus atom on the carbonyl carbon atom of chloral. The first step in the process is rapid and is not the rate-determining step of the reaction.


ChemInform Abstract: REACTIONS OF DIALKYL TRIMETHYLSILYL PHOSPHITE AND ETHYL TRIMETHYLSILYL ETHYLPHOSPHONITE WITH ALKYL AND ACYL HALIDES

November 1977

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7 Reads

Chemischer Informationsdienst

Bei der Umsetzung der 0,0-Dialkyl-dimethylsilylphosphite (I) und (V) mit Chlormethyläther (II), Benzylchlorid (VI) oder Acetylbromid (VIII) unter milden Bedingungen beobachtet man Arbusovumlagerung zu Phosphonaten (III), (VII), (IX) und Abspaltung der Trimethylsilylgruppe als Halogenid (IV) und (X).