Bimetallic Cr,Ru alkenyl carbene derivatives: Synthesis from organometallic prop-2-yn-1-ols and stereochemical aspects (Articolo in rivista)

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  • Bimetallic Cr,Ru alkenyl carbene derivatives: Synthesis from organometallic prop-2-yn-1-ols and stereochemical aspects (Articolo in rivista) (literal)
Anno
  • 1997-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0022-328X(96)06845-3 (literal)
Alternative label
  • Ruiz, N; Peron, D; Sinbandith, S; Dixneuf, PH; Baldoli, C; Maiorana, S (1997)
    Bimetallic Cr,Ru alkenyl carbene derivatives: Synthesis from organometallic prop-2-yn-1-ols and stereochemical aspects
    in Journal of organometallic chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ruiz, N; Peron, D; Sinbandith, S; Dixneuf, PH; Baldoli, C; Maiorana, S (literal)
Pagina inizio
  • 213 (literal)
Pagina fine
  • 218 (literal)
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  • 533 (literal)
Rivista
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  • 6 (literal)
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  • 1-2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); European University Bretagne; European University Bretagne Università degli studi di Milano (literal)
Titolo
  • Bimetallic Cr,Ru alkenyl carbene derivatives: Synthesis from organometallic prop-2-yn-1-ols and stereochemical aspects (literal)
Abstract
  • The reaction of RuCl2(PMe3)(eta 6-C6Me6) 1 with HC=C-CHOH-(2-MeO-C6H4) 2 and NaPF6 in methanol led to the trans-alkenylcarbene complex [LnRu=C(OMe)CH=CH(2-MeO-C6H4)]PF6 3 (LnRu = Ru(Cl)(PMe3)(eta(6)-C6Me6)) with the s-cis conformation of the carbene ligand. The activation by 1 of the racemic and of the (S,S) stereoisomer of the organometallic alcohol HC=CCOH(eta(6)-(2Me-C6H4)Cr(CO)(3) 4 afforded the same two diastereoisomers [LnRu=C(OMe)CH=CH(eta(6)-(2-Me-C6H4)Cr(CO)(3)]PF6 5a/b with low stereoselectivity in the ratio 55:45 (80%) and in the s-cis conformation. By contrast, the activation of HC=CCOH(Me)(eta(6)-C6H5)Cr(CO)(3) 8 by 1 led to two diastereoisomers [LnRu=C(OMe)CH=CMe(eta(6)-C6H5)Cr(CO)(3)]PF6 9a/b (64:34) with the s-trans conformation of the organometallic carbene ligand. (literal)
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