Organic syntheses via transition metal complexes. 118.1 retro-Fischer reaction induced by a β-imino functionality of (alkyl,ethoxy)carbene complexes (M = W, Cr): Efficient access to C-enamino and N-enamino carbene complexes

Organometallics

Volumn 21, Issue 13, 2002, Pages 2736-2742

  Aumann, Rudolf ^a   Fu, Xiaolin ^a   Vogt, Dominik ^a   Fröhlich, Roland ^a   Kataeva, Olga ^a  

^a UNIVERSITY OF MÜNSTER   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

STOICHIOMETRIC REAGENTS;

CHEMICAL BONDS; MOLECULAR STRUCTURE; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; STOICHIOMETRY; SYNTHESIS (CHEMICAL); TRANSITION METAL COMPOUNDS;

ORGANOMETALLICS;

EID: 0013464373     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om0200499     Document Type: Article

References (42)

1. For part 115 of this series see: Wu, H.-P.; Aumann, R.; Fröhlich, R.; Wegelius, E. Eur, J. Org. Chem. 2001, in press.
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12. For the basics of this π-cyclization reaction see: (a) Aumann, R.; Heinen, H.; Dartmann, M.; Krebs, B. Chem. Ber. 1991, 124, 2343-2347.
13. (b) Aumann, R.; Heinen, H.; Hinterding, N.; Sträter, B.; Krebs, B. Chem. Ber. 1991, 124, 1229-1236.
14. For a recent review on 1-metallahexatrienes see: Aumann, R. Eur. J. Org. Chem. 2000, 17-31.
15. For a recent review on (1-alkynyl)carbene complexes see: Aumann, R.; Nienaber, H. Adv. Organomet. Chem. 1997, 41, 163-242.
16. Aumann, R.; Vogt, D.; Fu, X.; Fröhlich, R.; Schwab, P. Organometallics 2002, 21, 1637-1645.
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32. For the discussion of the stereochemistry and the interconversion of related 4-amino-1-metalla-1,3-dienes see: Aumann, R.; Roths, K.; Kössmeier, M.; Fröhlich, R. J. Organomet. Chem. 1998, 556, 119127.
33. For similar observations see: Aumann, R.; Läge, M.; Krebs, B. Chem. Ber. 1994, 127, 731-738.
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37. Data sets were collected with Nonius CAD4 and KappaCCD diffractometers, the latter one equipped with a Nonius FR591 rotating anode generator. Programs used: data collection EXPRESS (Nonius B.V., 1994) and COLLECT (Nonius B.V., 1998), data reduction MolEN (K. Fair, Enraf-Nonius B.V., 1990) and Denzo-SMN (Z. Otwinowski, W. Minor, Methods Enzymol. 1997, 276, 307-326), absorption correction for CCD data SORTAV (Blessing, R. H. Acta Cryatallogr. 1995, A51, 33-37; Blessing, R. H. J. Appl. Crystallogr. 1997, 30, 421-426), structure solution SHELXS-86 and SHELXS-97 (Sheldrick, G. M. Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-93 and SHELXL-97 (Sheldrick, G. M. Universität Göttingen, 1997), graphics DIAMOND (Brandenburg, K. Universität Bonn, 1997).
38. Data sets were collected with Nonius CAD4 and KappaCCD diffractometers, the latter one equipped with a Nonius FR591 rotating anode generator. Programs used: data collection EXPRESS (Nonius B.V., 1994) and COLLECT (Nonius B.V., 1998), data reduction MolEN (K. Fair, Enraf-Nonius B.V., 1990) and Denzo-SMN (Z. Otwinowski, W. Minor, Methods Enzymol. 1997, 276, 307-326), absorption correction for CCD data SORTAV (Blessing, R. H. Acta Cryatallogr. 1995, A51, 33-37; Blessing, R. H. J. Appl. Crystallogr. 1997, 30, 421-426), structure solution SHELXS-86 and SHELXS-97 (Sheldrick, G. M. Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-93 and SHELXL-97 (Sheldrick, G. M. Universität Göttingen, 1997), graphics DIAMOND (Brandenburg, K. Universität Bonn, 1997).
39. Data sets were collected with Nonius CAD4 and KappaCCD diffractometers, the latter one equipped with a Nonius FR591 rotating anode generator. Programs used: data collection EXPRESS (Nonius B.V., 1994) and COLLECT (Nonius B.V., 1998), data reduction MolEN (K. Fair, Enraf-Nonius B.V., 1990) and Denzo-SMN (Z. Otwinowski, W. Minor, Methods Enzymol. 1997, 276, 307-326), absorption correction for CCD data SORTAV (Blessing, R. H. Acta Cryatallogr. 1995, A51, 33-37; Blessing, R. H. J. Appl. Crystallogr. 1997, 30, 421-426), structure solution SHELXS-86 and SHELXS-97 (Sheldrick, G. M. Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-93 and SHELXL-97 (Sheldrick, G. M. Universität Göttingen, 1997), graphics DIAMOND (Brandenburg, K. Universität Bonn, 1997).
40. Data sets were collected with Nonius CAD4 and KappaCCD diffractometers, the latter one equipped with a Nonius FR591 rotating anode generator. Programs used: data collection EXPRESS (Nonius B.V., 1994) and COLLECT (Nonius B.V., 1998), data reduction MolEN (K. Fair, Enraf-Nonius B.V., 1990) and Denzo-SMN (Z. Otwinowski, W. Minor, Methods Enzymol. 1997, 276, 307-326), absorption correction for CCD data SORTAV (Blessing, R. H. Acta Cryatallogr. 1995, A51, 33-37; Blessing, R. H. J. Appl. Crystallogr. 1997, 30, 421-426), structure solution SHELXS-86 and SHELXS-97 (Sheldrick, G. M. Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-93 and SHELXL-97 (Sheldrick, G. M. Universität Göttingen, 1997), graphics DIAMOND (Brandenburg, K. Universität Bonn, 1997).
41. Data sets were collected with Nonius CAD4 and KappaCCD diffractometers, the latter one equipped with a Nonius FR591 rotating anode generator. Programs used: data collection EXPRESS (Nonius B.V., 1994) and COLLECT (Nonius B.V., 1998), data reduction MolEN (K. Fair, Enraf-Nonius B.V., 1990) and Denzo-SMN (Z. Otwinowski, W. Minor, Methods Enzymol. 1997, 276, 307-326), absorption correction for CCD data SORTAV (Blessing, R. H. Acta Cryatallogr. 1995, A51, 33-37; Blessing, R. H. J. Appl. Crystallogr. 1997, 30, 421-426), structure solution SHELXS-86 and SHELXS-97 (Sheldrick, G. M. Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-93 and SHELXL-97 (Sheldrick, G. M. Universität Göttingen, 1997), graphics DIAMOND (Brandenburg, K. Universität Bonn, 1997).
42. Data sets were collected with Nonius CAD4 and KappaCCD diffractometers, the latter one equipped with a Nonius FR591 rotating anode generator. Programs used: data collection EXPRESS (Nonius B.V., 1994) and COLLECT (Nonius B.V., 1998), data reduction MolEN (K. Fair, Enraf-Nonius B.V., 1990) and Denzo-SMN (Z. Otwinowski, W. Minor, Methods Enzymol. 1997, 276, 307-326), absorption correction for CCD data SORTAV (Blessing, R. H. Acta Cryatallogr. 1995, A51, 33-37; Blessing, R. H. J. Appl. Crystallogr. 1997, 30, 421-426), structure solution SHELXS-86 and SHELXS-97 (Sheldrick, G. M. Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-93 and SHELXL-97 (Sheldrick, G. M. Universität Göttingen, 1997), graphics DIAMOND (Brandenburg, K. Universität Bonn, 1997).