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Facile methods of the synthesis of S-trialkylstannyl esters of dithio- and tetrathiophosphoric acids

✍ Scribed by Il'yas S. Nizamov; Vladislav A. Kuznetzov; Elvira S. Batyeva; Vladimir A. Al'fonsov; Arkady N. Pudovik

Book ID
102227905
Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
310 KB
Volume
4
Category
Article
ISSN
1042-7163

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✦ Synopsis

S-Trialkylstannyl dialkyldithiophosphates

3 and tetrathiophosphates 6 were easily obtained in the reaction of tetraphosphorus decasulfide 1 with trialkylalkoxystanrzanes 2 or alkylthiostannanes 5 under mild conditions. Tetraphosphorus decasulfide 1 and hexaalkyl distannylsulfides tris(trialkylstanny1) tetrathiophosphates 4 produce 9.

INTRODUCTI0.N

Organophosphorus compounds of tin possess properties of practical use. Triorganotin dialkyldithioand tetrathiophosphates (3 and 6, respectively) are used as bactericides, insecticides, fungicides, miticides, and additives for lubricants [l-31. Compounds 3 were obtained by the reaction of dialkyldithiophosphoric acids with organotin halides. Reactions of dialkyldithiophosphoric acids with organotin oxides or its hydroxides or protodemetallation of tetraalkyltin also result in 3. Compounds 3 have also been obtained from metal or ammonium dialk,yl dithiophosphates and triorganotin chlorides [ 1,2].

These techniques, however, are multistep procedures, as the initial dithiophosphoric acids had to be synthesized by treatment of organic hydroxy "To whom correspondence should be addressed.

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