Russian Journal of General Chemistry p. 1185 - 1187 (2004)
Update date:2022-08-11
Topics:
Yarosh
Zhilitskaya
Yarosh
Albanov
Klyba
Voronkov
The reaction of BrMgC≡CSiMe2C≡CSiMe 2C≡CSiMe2C≡CSiMe2C≡CMgBr with chloro(cyclopentyl)(methyl)silane in a large excess of THF gave 1-cyclopentyl-1,4,4,7,7,10,10,13,13-nonamethyl-1,4,7,10, 13- pentasilacyclopentadeca-2,5,8,11,14-pentayne. Similarly, 1,10-di(cyclopentyl)- or 1,6-di(cyclopentylmethyl)-1,4,4,7,7,10,13,13,16,16-decamethyl-1,4,7,10,13,16- hexasilacyclooctadeca-2,5,8,11,14,17-hexaynes were synthesized from BrMgC≡2C≡CSiMe2C≡CMgBr and dichloro(cyclopentyl)methylsilane or dichloro(cyclopentylmethyl)(methyl)silane. Condensation of Me2Si(C≡CMgBr)2 with dichloro(cyclohexyl)-methylsilane afforded 1,7-di(cyclohexyl)-1,4,4,7,10,10- hexamethyl-1,4,7,10-tetrasilacyclododeca-2,5,8,11-tetrayne. 2004 MAIK "Nauka/Interperiodica".
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