HI-mediated cyclization of o-Alkynylstyrenes

Chemistry Letters

Volumn , Issue 7, 2000, Pages 722-723

  Saito, Shinichi ^a   Homma, Miyako ^a   Gevorgyan, Valdimir ^a   Yamamoto, Yoshinori ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0034366181     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2000.722     Document Type: Article

References (11)

1. a) C. A. Merlic and M. E. Pauly. J. Am. Chem. Soc., 118, 11319 (1996).
2. b) K. Maeyama and N. Iwasawa, J. Am. Chem. Soc., 120, 1928 (1998).
3. K. Maeyama and N. Iwasawa, J. Org. Chem., 64, 1344 (1999).
4. A palladium-mediated cyclization of o-alkynylstyrenes has been reported. See, W. Münzenmaier and H. Straub, Synthesis 1976, 49.
5. a) V. Gevorgyan, A. Takeda, M. Homma, N. Sadayori, U. Radhakrishnan, and Y. Yamamoto, J. Am. Chem. Soc., 121, 6391 (1999).
6. b) V. Gevorgyan, A. Takeda, Y. Yamamoto, J. Am. Chem. Soc., 119, 11313 (1997).
7. Reviews: a) S. Saito and Y. Yamamoto, Chem. Rev., in press.
8. b) V. Gevorgyan and Y. Yamamoto, J. Organomet. Chem., 576, 232 (1999).
9. S. Irifune, T. Kibayashi, Y. Ishii, and M. Ogawa, Synthesis 1988, 366.
10. The rate of the reaction was much slower in this solvent.
11. 4) of 5. (matrix presented)