Successful dihydridocarbonyltris(triphenylphosphine)ruthenium (Ru‐complex) catalyzed polymerization of 4‐acetylstilbene with 1,3‐divinyltetramethyldisiloxane to yield poly(3,3,5,5‐tetramethyl‐4‐oxa‐3,5‐disila‐1,7‐heptanylene‐alt‐4‐acetyl‐3,5‐stilbenylene) is reported. Polymerization results from Ru‐complex catalyzed activation of aromatic C‐H bonds which are ortho to the acetyl for selective anti‐Markovnikov addition across the terminal C‐C double bonds of 1,3‐divinyltetramethyldisiloxane. The internal C‐C double bond of 4‐acetylstilbene does not react.
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Londergan et al. (1997) studied this question.
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