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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 14, Number 5
BKCSDE 14(5)
May 20, 1993

Title	Chemistry of Ruthenium Hydridonitrosyl Complexes Containing Chelating Triphosphines Ⅳ-Reactions between RuH(NO)(Cyttp) and Alkynes (Cyttp: Bis(dicyclohexylphosphino-propyl)phenylphosphine)
Author	Ik-Mo Lee*, Ook-Jae Cho, Chan-Yong Kim, Devon W. Meek
Keywords
Abstract	The types of the products of the reactions between RuH(NO)(Cyttp) and alkynes are sensitive to the nature of alkynes. Terminal, nonactivated alkynes (HC≡CR, R=Ph, hexyl and CH2OH) produce acetylide complexes and terminal (HC≡CR, R=C(O)Me, COOEt) or internal activated ones (RC≡ CR, R=COOMe) lead to form alkenyl complexes. On the other hand, internal nonactivated alkynes (RC≡CR, R=Ph) do not show reactivity toward RuH(NO)(Cyttp). These products can be rationalized by the cis-concerted mechanism but the radical pathway appears to work in the reaction of propargyl chloride. From the spectroscopic data, the trigonal bipyramidal structure with a linear NO group is proposed for these products.
Page	625 - 631
Full Text	PDF

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