Conclusions
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1.
Both mono- and disubstituted Itsich reagents are formed by the reaction of diethynylorganosiloxanes with the Grignard reagent.
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2.
The reactions of the latter were accomplished with trimethylchlorosilane, carbonyl compounds, and halides, and routes to the synthesis of carbofunctional acetylenic siloxanes were shown on the basis of them.
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Literature cited
Yu. Vol'nov and A. Reutt, Zh. Obshch. Khim.,10, 1600 (1940).
P. J. Moehs and W. E. Davidsohn, J. Organometal. Chem.,20, 57 (1969).
N. V. Komarov, O. G. Yarosh, and Z. G. Ivanova, Author's Claim No. 1439239/23-5 from June 21, 1970; Approved for publication February 3, 1971.
O. G. Yarosh, N. V. Komarov, N. I. Shergina, and M. F. Shostakovskii, Zh. Obshch. Khim.,40, 1730 (1970).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 698–699, March, 1972.
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Komarov, N.V., Yarosh, O.G. & Ivanova, Z.G. Acetylenic siloxanes in the grignard synthesis. Russ Chem Bull 21, 667–668 (1972). https://doi.org/10.1007/BF00863247
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DOI: https://doi.org/10.1007/BF00863247