Reactions of Azines. 10. Synthesis of 4H,6H-Pyrazolo[l,5-c]oxazol-4-ylidines, 4H-Pyrrolo[l,2-b]pyrazol-4-ones, and/or 4H,8H-Pyrazolo[l,5-c][l,3]oxazepin-4-ones

Journal of Organic Chemistry

Volumn 52, Issue 7, 1987, Pages 1324-1332

  Schweizer, Edward E ^a   Hayes, John E ^a   Lee, K J ^a   Rheingold, Arnold L ^a  

^a UNIVERSITY OF DELAWARE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000589287     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo00383a029     Document Type: Article

References (8)

1. Schweizer, E. E.; Hayes, J. E.; Hirwe, S. N.; Rheingold, A. L. J. Org. Chem., previous paper in this issue.
2. For a review of the preparation of ketenes, see: The Chemistry of Ketenes, Allenes, and Related Compounds; Patai, S., Ed.; Wiley: 1980; p 213.
3. la and lc: Boring, J. Masters Thesis, University of Delaware, Newark, DE, June 1984. lb and le: Schweizer, E. E.; Hsueh, W.; Rheingold, A. L.; Durney, R. L. J. Org. Chem. 1983, 48, 3889. Id: Schweizer, E. E.; Albright, T. A.; Evans, S.; Kim, C. S.; Labaw, C. S.; Russiello, A. B. J. Org. Chem. 1977, 42, 3691. If and lg: Hayes, J. E. Ph.D. Thesis, University of Delaware, Newark, DE, June 1986.
4. Sonoda, N.; Maurai, S.; Hasegawa K., Angew. Chem., Int. Ed. Engl. 1975, 14, 636.
5. Suda, M.; Fukushima, A. Chem. Lett. 1981, 103.
6. Baldwin, J. E.; Thomas, R. C.; Kruse, L. I.; Silberman L. J. Org. Chem. 1977, 42, 3846 and references cited therein.
7. Chroraatographic technique was that of Taber D. F. J. Org. Chem. 1982, 47, 1351.
8. House, H. O.; Czuba, L. J.; Gall, M.; Olmstead, H. P. J. Org. Chem. 1969, 34, 2342.