Preparation of new nitrogen-bridged heterocycles. 62. Reaction of potassium pyrazolo [1,5-α] pyridine-2-thiolates with electron-poor alkynes

Heterocyclic Communications

Volumn 14, Issue 3, 2008, Pages 141-148

  Isawa, Hidetoshi ^a   Kakehi, Akikazu ^a   Suga, Hiroyuki ^a  

^a SHINSHU UNIVERSITY   (Japan)

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EID: 53949116385     PISSN: 07930283     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (11)

1. For part 61 of this series, see A. Kakehi, H. Suga, Y. Goto, and N. Yamaguchi, Heterocycles, in Press.
2. A. Michael, J. Prakt. Chem., 35, 349 (1887).
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6. R. B. Woodward and R. Hoffmann, "The Conservation of Orbital Symmetry", Academic press, New York, 1970.
7. A. Kakehi, S. Ito, H. Suga, H. Takahashi, and K. Dobashi, Heterocycles, 52, 215 (2000).
8. A. Kakehi, S. Ito, N. Yamada, and K. Yamaguchi, Bull. Chem. Soc. Jpn., 63, 829 (1990).
9. C. K. Johnson, "ORTEP II, Report ORNL-5138", Oak Ridge National Laboratory, Oak Ridge, Tennessee (1976).
10. "Crystal Structure 3.8", Crystal Structure Analysis Package, Molecular Structure Corporation (1985).
11. "SIR92", A. Altomore, M. Cascarano, C. Giacovazzo, and A. Guagliardi, J. Appl. Cryst., 26, 343, (1994).