Journal of Organometallic Chemistry p. 1 - 4 (2018)
Update date:2022-08-03
Topics: Building blocks Experimental terms Oligomeric siloxanes Selective chlorination Hydrido-siloxanes
Hafner, Thomas
Torvisco, Ana
Uhlig, Frank
A new method was developed to achieve highly selective monochlorination of α,ω-dihydridosiloxanes, ((H)Me2SiO-(SiMe2O)n-SiMe2(H), n = 0–2; (H)R2Si–O-SiR2(H); R = Me, iPr, Ph; 3,5-dihydridooctamethyltetrasiloxane, Me3SiO-(Si(H)MeO)2–SiMe3) with trichloroisocyanuric acid (TCCA). The dependence of the selectivity of the monochlorination on the siloxane chain length is also discussed.
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