The Synthesis of Hexahydrooxoepithiopyridinedicarboximides by the Reaction of Thioamides with N-substituted Maleimides

Journal of Heterocyclic Chemistry

Volumn 35, Issue 2, 1998, Pages 437-443

  Takido, Toshio ^a   Tamura, Sachiko ^a   Sato, Kenji ^a   Kamijo, Haruo ^a   Nakazawa, Toshikatsu ^a   Hata, Tadashi ^b   Seno, Manabu ^a  

^a NIHON UNIVERSITY   (Japan)

^b DAIICHI SANKYO CO   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0012627355     PISSN: 0022152X     EISSN: None     Source Type: Journal    
DOI: 10.1002/jhet.5570350229     Document Type: Article

References (7)

1. K. T. Potts, J. Baum, and E. Houghton, J. Org. Chem., 39, 3631 (1974).
2. [2a] K. T. Potts, E. Houghton, and U.P. Singh., J. Org. Chem., 39, 3627 (1974) ;
3. [b] K.T. Potts, S.J. Chen, J. Kane, and J. L. Marshall, J. Org. Chem., 42, 1633 (1977).
4. M. Baudy and A. Robert, J. Chem. Soc. Chem. Commun., 23 (1976).
5. T. Takido and K. Itabashi, Synthesis, 430 (1985).
6. E. Pretsch, T. Clerc, J. Seibl, and W. Simon, Tabellen zur Strukturaufkarung Organischer Verbindungen mit spektroskopischen Methoden, Springer-Verlag, Berlin Heiderberg 1981.
7. 2 = H) with maleic anhydride (2b) is in the endo configuration. The present results from the X-ray analysis suggest that this assumption is incorrect and it is supported by analysis of nmr coupling constants that the compound is also in the exo configuration.