메뉴 건너뛰기




Volumn 127, Issue 36, 2005, Pages 12612-12619

Selecting topology and connectivity through metal-directed macrocyclization reactions: A square planar palladium [2]catenate and two noninterlocked isomers

Author keywords

[No Author keywords available]

Indexed keywords

CONFORMATIONS; ENCAPSULATION; ISOMERS; METHANE; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; OLEFINS; SYNTHESIS (CHEMICAL); X RAY CRYSTALLOGRAPHY;

EID: 24744434906     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja053005a     Document Type: Article
Times cited : (121)

References (94)
  • 69
    • 0000409563 scopus 로고
    • For later discussions on possible strategies to catenates based on octahedral metal templates, see: (b) Busch, D. H. J. Inclusion Phenom. Mol. Recognit. 1992, 12, 389-395.
    • (1992) J. Inclusion Phenom. Mol. Recognit. , vol.12 , pp. 389-395
    • Busch, D.H.1
  • 80
    • 2342437450 scopus 로고    scopus 로고
    • A knot theoretic approach to molecular chirality
    • Sauvage, J.-P., Dietrich-Buchecker, C., Eds.; Wiley-VCH: Weinheim, Germany
    • Flapan, E. A Knot Theoretic Approach to Molecular Chirality. In Molecular Catenaries, Rotaxanes and Knots; Sauvage, J.-P., Dietrich-Buchecker, C., Eds.; Wiley-VCH: Weinheim, Germany, 1999; pp 7-35.
    • (1999) Molecular Catenaries, Rotaxanes and Knots , pp. 7-35
    • Flapan, E.1
  • 90
    • 0033599365 scopus 로고    scopus 로고
    • At least as long as the RCM reaction is not under thermodynamic control. However, metathesis of internal olefins is generally much slower than that of terminal olefins. See, for example: Kidd, T. J.; Leigh, D. A.; Wilson, A. J. J. Am. Chem. Soc. 1999, 121, 1599-1600.
    • (1999) J. Am. Chem. Soc. , vol.121 , pp. 1599-1600
    • Kidd, T.J.1    Leigh, D.A.2    Wilson, A.J.3
  • 91
    • 24744464731 scopus 로고    scopus 로고
    • note
    • The term "atropisomerism" technically refers to conformers which can be isolated as separate chemical species as a result of restricted rotation about a single bond [IUPAC Compendium of Chemical Terminology 2nd ed.; 1997]. We stretch this definition slightly in applying it to L4Pd(endo-L2) and L4Pd(exo-L2), which are isolable as a result of restricted rotation about various single bonds in particular ligand orientations.
  • 92
    • 0030727412 scopus 로고    scopus 로고
    • The term "co-conformation" is generally used to refer to the relative positions of mechanically interlocked components with respect to each other [Fyfe, M. C. T.; Glink, P. T.; Menzer, S.; Stoddart, J. F.; White, A. J. P.; Williams, D. J. Angew. Chem., Int. Ed. Engl. 1997, 36, 2068-2070]. However, since the two components in LAPd(endo-L2) and L4Pd(exo-L2) are connected by a continuous sequence of covalent and coordination bonds, in this case "conformation" is a sufficient descriptor.
    • (1997) Angew. Chem., Int. Ed. Engl. , vol.36 , pp. 2068-2070
    • Fyfe, M.C.T.1    Glink, P.T.2    Menzer, S.3    Stoddart, J.F.4    White, A.J.P.5    Williams, D.J.6
  • 93
    • 0036422191 scopus 로고    scopus 로고
    • The hydrogenation conditions employed in Routes I and III led to a complex mixture when applied to the products of metathesis in Route II. Not only was significant decomplexation of the somewhat strained noninterlocked double macrocycle complex observed but also the resulting free monodentate ligand, L5, was degraded, presumably by hydrogenolysis of the benzyl ether moieties. Although the use of Pd EnCat did not prevent the ligand decomplexation during the hydrogenation step, it significantly reduced the degradation of the free monodentate macrocycle [Bremeyer, N.; Ley, S. V.; Ramarao, C.; Shirley, I. M.; Smith, S. C. Synlett 2002, 1843-18441.
    • (2002) Synlett , pp. 1843-18441
    • Bremeyer, N.1    Ley, S.V.2    Ramarao, C.3    Shirley, I.M.4    Smith, S.C.5


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.