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Volumn 10, Issue 8, 1999, Pages 1483-1497

A resolution of the monodentate P*-chiral phosphine PBU(t)C6H4Br-4 and its NMR-deduced absolute configuration

Author keywords

[No Author keywords available]

Indexed keywords

BENZYLAMINE DERIVATIVE; PALLADIUM COMPLEX; PHOSPHINE;

EID: 0033597446     PISSN: 09574166     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0957-4166(99)00134-2     Document Type: Article
Times cited : (61)

References (111)
  • 46
    • 0003644393 scopus 로고
    • English translation
    • 8. Dunina, V. V.; Golovan', E. B.; Pedchenko, V. V.; Borisenko, A. A.; Beletskaya, I. P. Metalloorg. Khim. 1992, 5, 1120; Organomet. Chem. USSR 1992, 5 (English translation).
    • (1992) Organomet. Chem. USSR , pp. 5
  • 57
    • 85069253415 scopus 로고    scopus 로고
    • note
    • 13. TLC testing of diastereomeric pairs 2a,b-4a,b was performed on Silufol plates using three-fold eluating with an etherheptane (1:1) mixture.
  • 61
    • 85069260436 scopus 로고
    • English translation
    • (b) Dunina, V. V.; Gulyukina, N. S.; Golovan', E. B.; Nalimova, I. Yu.; Koksharova, A. A.; Beletskaya, I. P. Metalloorg. Khim. 1993, 6, 36; Organomet. Chem. USSR 1993, 6 (English translation);
    • (1993) Organomet. Chem. USSR , pp. 6
  • 63
    • 0003644395 scopus 로고
    • English translation
    • (c) Dunina, V. V.; Golovan', E. B.; Kazakova, E. I.; Potapov, G. P.; Beletskaya, I. P. Metalloorg. Khim. 1991, 4, 1391; Organomet. Chem. USSR 1991, 4 (English translation);
    • (1991) Organomet. Chem. USSR , pp. 4
  • 65
    • 85069244857 scopus 로고    scopus 로고
    • note
    • 31P NMR spectra; the isomer ratio varies slightly from one sample to the other, and from one solvent to the other.
  • 69
    • 85069246527 scopus 로고    scopus 로고
    • note
    • 18. Here, and later on, two values cited correspond to diastreomers 2a and 2b, respectively.
  • 75
    • 0003644393 scopus 로고
    • English translation; see also references 3c, 8, 10
    • (e) Dunina, V. V; Kislyi, V. P.; Gulyukina, N. S.; Grishin, Yu. K.; Beletskaya, I. P. Metalloorg. Khim. 1992, 5, 1297; Organomet. Chem. USSR 1992, 5 (English translation); see also references 3c, 8, 10.
    • (1992) Organomet. Chem. USSR , pp. 5
  • 87
    • 0001032893 scopus 로고    scopus 로고
    • note
    • 1H NM7R spectra of diastereomeric complexes:
  • 90
    • 85069246099 scopus 로고    scopus 로고
    • note
    • 24. The Newman projections presented on Figs. 2 and 3 were constructed with account of the real torsion angles taken from our X-ray data; the use of idealised projections (with dihedral angles 60°) may lead to erroneous conclusions.
  • 102
    • 0028861085 scopus 로고
    • 28. Beside the case of cocrystallised diastereomers (reference 20a) there are known several examples of X-ray characterization of both isolated diastereomeric adducts with bidentate ligands: (a) Valk, J.-M.; Claridge, T. D. W.; Brown, J. M. Tetrahedron: Asymmetry 1995, 6, 2597;
    • (1995) Tetrahedron: Asymmetry , vol.6 , pp. 2597
    • Valk, J.-M.1    Claridge, T.D.W.2    Brown, J.M.3
  • 105
    • 85069253282 scopus 로고    scopus 로고
    • note
    • 29. Here, and later on, the three values cited correspond to molecules 1 and 2 of diastereomers 2a and to diastereomer 2b, respectively.
  • 111
    • 85069241548 scopus 로고    scopus 로고
    • note
    • 34. The heating up to 100°C results in these signals coalescence in one broad resonance at δ 51.3 ppm.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.