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Volumn 343, Issue 3, 2001, Pages 284-288

Dynamic Chirality Control of (Xyl-)BIPHEP Ligands Leading to their Diastereomerically Pure Ru Complexes with a Chiral N-Substituted DPEN

Author keywords

BIPHEP; Diamine; Dynamic chirality control; Phosphine; Ruthenium

Indexed keywords


EID: 0001192329     PISSN: 16154150     EISSN: None     Source Type: Journal    
DOI: 10.1002/1615-4169(20010330)343:3<284::AID-ADSC284>3.0.CO;2-L     Document Type: Article
Times cited : (49)

References (32)
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    • (g) Asymmetric Catalysis, (Ed.: B. Bosnich), Martinus Nijhoff Publishers, Dordrecht, 1986.
    • (1986) Asymmetric Catalysis
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  • 10
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    • (a) BPBP [2,2′-bis(diphenylphosphanyl)-1,1′-biphenyl] was also named for this bisphosphine ligand but was not successfully synthesized. The monophosphine (5-phenyldibenzophosphole) was obtained instead of BPBP: A. Uehara, J. C. Bailar Jr., J. Organomet. Chem. 1982, 239, 1-10;
    • (1982) J. Organomet. Chem. , vol.239 , pp. 1-10
    • Uehara, A.1    Bailar Jr., J.C.2
  • 14
    • 0030021640 scopus 로고    scopus 로고
    • (d) The activation barrier to axiual torsion in selectively deuterated BIPHEP was determined as only 22±1 kcal/mol, suggesting axial rotation at room temperature or above: O. Desponds, M. Schlosser, Tetrahedron Lett. 1996, 37, 47-48;
    • (1996) Tetrahedron Lett. , vol.37 , pp. 47-48
    • Desponds, O.1    Schlosser, M.2
  • 18
    • 0030839003 scopus 로고    scopus 로고
    • and references cited therein
    • BIPHEP was named after 6,6′-substituted MeO-BIPHEP. (a) R. Schmid, E. A. Broger, M. Cereghetti, Y. Crameri, J. Foricher, M. Lalonde, R. K. Müller, M. Scalone, G. Schoettel, U. Zutter, Pure Appl. Chem. 1996, 68, 131-138; (b) G. Trabesinger, A. Albinati, N. Feiken, R. W. Kunz, P. S. Pregosin, M. Tschoerner, J. Am. Chem. Soc., 1997, 119, 6315-6323, and references cited therein.
    • (1997) J. Am. Chem. Soc. , vol.119 , pp. 6315-6323
    • Trabesinger, G.1    Albinati, A.2    Feiken, N.3    Kunz, R.W.4    Pregosin, P.S.5    Tschoerner, M.6
  • 21
    • 85037274800 scopus 로고    scopus 로고
    • Ph.D. Thesis, Tokyo Institue of Technology
    • -3 kJ/mol K). However, the epimerization was not observed between both diastereomeric complexes at -35°C, presumably because the temperature was too low for isomerization of BIPHEP ligand.
    • (2000)
    • Korenaga, T.1
  • 22
    • 85037286787 scopus 로고    scopus 로고
    • note
    • 2).
  • 23
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    • note
    • 2).
  • 25
    • 85037270695 scopus 로고    scopus 로고
    • note
    • All the calculations were done by using Gaussian 98 program on the SGI Origin 2000 computer at the Computer Center of Tokyo Institute of Technology.
  • 26
    • 85037276193 scopus 로고    scopus 로고
    • note
    • 2 groups, are quite small.
  • 27
    • 0345904863 scopus 로고
    • Oki has reported that free energies of activation of more than ca. 23 kcal/mol separate the atropisomers: Top. Stereochem. 1983, 14, 1-81.
    • (1983) Top. Stereochem. , vol.14 , pp. 1-81
  • 28
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    • note
    • [6a]).
  • 32
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    • note
    • [15a]).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.