Ruthenium-catalyzed hydrosilylation of terminal alkynes: stereodivergent synthesis of (E)-and (Z)-alkenylsilanes
…, M Kobayashi, T Sagawa, T Minami, F Ozawa
Index: Katayama, Hiroyuki; Taniguchi, Ken; Kobayashi, Masayuki; Sagawa, Takashi; Minami, Tatsuya; Ozawa, Fumiyuki Journal of Organometalic Chemistry, 2002 , vol. 645, # 1-2 p. 192 - 200
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Citation Number: 81
Abstract
Stereodivergent hydrosilylation of terminal alkynes (RC CH; R= Ph, p-tolyl, Cy, n-hexyl) with hydrosilanes (HSiMe2Ar; Ar Ph, 3, 5-(CF3) 2C6H3, 4-CF3C6H4, 4-MeOC6H4) has been examined using ruthenium catalysts.(E)-selective reactions giving (E)-RCH CHSiMe2Ar proceed in over 99% selectivity in the presence of a catalytic amount of RuHCl (CO)(PPh3) 3. On the other hand,(Z)-selective reactions are successfully conducted in 91– ...
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