Summary
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1.
The hydrolytic co-condensation of methacrylyloxymethylethoxysilanes with dimethylphosphinyloxymethyl-ethoxysilanes in the presence of phosphoric acid and the calculated amounts of water has been investigated. The reaction proceeds with the formation of ethyl alcohol and unsaturated organophosphosilicon compounds.
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2.
The following new organophosphosilicon compounds have been obtained by this reaction: 1-methacrylyl-oxymethyl-3-dimethylphosphinyloxymethyl-tetramethyldisiloxane, 1,5-di-(dimethylphosphinyloxymethyl)-3-methacrylyloxymethylpentamethyltrisiloxane, and 1,5-di-(methacrylyloxymethyl)-3-dimethylphosphinyloxymethyl-pentamethyltrisiloxane.
Literature cited
K. A. Andrianov, N. N. Sokolov, and E. N. Khrustaleva, Zh. obshch. khimii,26, 1102 (1956).
W. J. Huggorty and L. Breed, J. organ. Chem. No.7, 2464 (1961).
L. H. Sommer, J. Amer. Chem. Soc.71, 3253 (1949).
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Andrianov, K.A., Dabagova, A.K. & Kuznetsova, I.K. Synthesis of unsaturated organophosphosilicon compounds of the siloxane series. Russ Chem Bull 11, 1573–1575 (1962). https://doi.org/10.1007/BF00907239
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DOI: https://doi.org/10.1007/BF00907239