An alternative synthesis of Vollhardt's [1,2-diethynyl-3,4-bis(trimethylsilyl)cyclobutadiene]cyclopentadienylcobalt and selective formation of its dimer

Journal of Organometallic Chemistry

Volumn 578, Issue 1-2, 1999, Pages 144-149

  Roidl, Gaby ^a,b   Enkelmann, Volker ^b   Adams, Richard D ^a   Bunz, Uwe H F ^a  

^a UNIVERSITY OF SOUTH CAROLINA   (United States)

^b MAX PLANCK INSTITUTE FOR POLYMER RESEARCH   (Germany)

Author keywords

Alkynes; Cobalt; Cyclobutadiene complexes; Hydrogen bonding

Indexed keywords

EID: 0001024452     PISSN: 0022328X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0022-328X(98)01116-4     Document Type: Article

References (16)

1. (a) U.H.F. Bunz, Synlett (1997) 1117.
2. (b) N. Jux, K. Holczer, Y. Rubin, Angew. Chem. Int. Ed. Engl. 35 (1996) 1986.
3. M. Altmann, J. Friedrich, F. Beer, R. Reuter, V. Enkelmann, U.H.F. Bunz, J. Am. Chem. Soc. 119 (1997) 1472.
4. (a) J.R. Fritch, K.P.C. Vollhardt, Organometallics 1 (1982) 590.
5. (b) General references for cyclobutadiene complexes see A. Efraty, Chem. Rev. 77 (5) (1977) 691-744,
6. (c) D. Grotjahn, in: B.M. Trost (Ed.), Comprehensive Organometallic Chemistry II, Vol. 12, Pergamon, Oxford, 1995, pp. 741-770.
7. M. Altmann, G. Roidl, V. Enkelmann, U.H.F. Bunz, Angew. Chem. Int. Ed. Engl. 36 (1997) 1107.
8. w = 0.064. Further details of the crystal structure investigation may be obtained from the Cambridge Crystallographic Data Centre on quoting the names of the authors, and the journal citation.
9. R.G. Brisbois, L.E. Fogel, O.J.C. Nicaise, P.J. DeWeerd, J. Org. Chem. 62 (1997) 6708.
10. H. Wadepohl, A. Wolf, H. Pritzkow, J. Organomet. Chem. 506 (1996) 287.
11. w = 0.045. Further details of the crystal structure investigation may be obtained from the Cambridge Crystallographic Data Centre on quoting the depository number CCDC 102511, the names of the authors, and the journal citation.
12. (a) P. Vinczer, S. Struhar, L. Novak, C. Szantay, Tetrahedron Lett. 33 (1992) 683.
13. (b) E.J. Corey, P.L. Fuchs, Tetrahedron Lett. 13 (1972) 3769.
14. (a) S. Ohira, Synth. Commun. 19 (1989) 561.
15. (b) D.F. Taber, Y. Wang, J. Am. Chem. Soc. 119 (1997) 22.
16. F. Vögtle, R. Berscheid, Synthesis (1992) 58.