Dimerization of ethynylcyclopentadienylmetal complexes

Chemistry Letters

Volumn , Issue 12, 1999, Pages 1299-1300

  Suzuki, Yasunobu ^a   Hirotani, Ryuichi ^a   Komatsu, Hiroaki ^a   Yamazaki, Hiroshi ^a  

^a CHUO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0033236848     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1999.1299     Document Type: Article

References (13)

1. a) M. J. Winter, in "The Chemistry of the Metal Carbon Bond," ed by F. Hartley and R. S. Patai, Wiley & Sons, Chichester, U. K. (1985), Vol. 3.
2. b) K. Mashima, Y. Nakayama, and A. Nakamura, Catalysts & Catalysis, 39, 645 (1997).
3. Y. Wakatsuki and H. Yamazaki, J Organomet. Chem., 500, 349 (1995).
4. C. S. Yi and N. Liu, Organometallics, 15, 3968 (1996).
5. J. K. Pudelski and M. R. Callstrom, Organometallics, 13, 3095 (1994).
6. Satisfactory elemental analyses were obtained for all the new complexes mentioned in this paper.
7. P. Jutzi and B. Kleinebekel, J Organomet. Chem., 545-546, 573 (1997).
8. 3); δ (ppm) 1.83 (m, 8H), 1.90 (s, 3H), 1.91 (bs, 12H), 1.92 (bs, 9H), 2.02 (m, 8H), 2.97 (m, 8H), 6.13 (bs, 1.5H), 6.20 (bs, 0.5H).
9. 3); δ (ppm) 1.80 (m, 4H), 1.86 (s, 6H), 1.90 (s, 6H), 2.00 (m, 4H), 2.83 (m, 4H) 5.14, 5.17 (d, 1H J=1.9 Hz), 5.20, 5.25 (d, 1H, J=1.9 Hz), 6.41, 6.45 (d, 1H, J=11.2 Hz).
10. 3); δ (ppm) 1.82 (s, 12H), 1.87 (s, 12H), 1.91 (m, 8H), 2.14 (m, 8H), 3.04 (m, 8H), 6.28∼6.42 (m, 4H).
11. -3; R = 0.035, Rw = 0.036.
12. 3); δ (ppm) 1.75 (s, 6H), 1.77 (s, 6H), 1.81 (s, 6H), 1.84 (s, 6H), 1.90 (m, 8H), 2.13 (m, 8H), 2.29 (m, 4H), 2.94 (m, 8H), 5.69 (dt, 1H) 6.11 (d, 1H).
13. 3); δ (ppm) 1.67 (s, 1.2H), 1.68 (s, 10.8H), 1.73 (bs, 12H), 1.81 (bs, 12H), 1.95 (bs, 12H), 3.30 (s, 2H), 6.05 (bs, 1.8H), 6.16 (bs, 0.2H).