Preparation of 3-Ethyloxindole-4,7-quinone†

(Note: The full text of this document is currently only available in the PDF Version )

Lina K. Mehta, John Parrick and Fereshteh Payne


Abstract

The preparation of 3-ethyloxindole-4,7-quinone 10 from 4,7-dimethoxyisatin 1 in four steps is described.


References

  1. R. W. Middleton and J. Parrick, in The Chemistry of Quinonoid Compounds, ed. S. Patai and Z. Rappoport, Wiley, Chichester, 1988, vol. 2, part 2, p. 1019 Search PubMed.
  2. M. Tišler, Adv. Heterocycl. Chem., 1989, 45, 37 CAS.
  3. A. S. Ijaz, J. Parrick and A. Yahya, J. Chem. Res., 1990, (S) 116; (M) 0833 Search PubMed.
  4. T. A. Foglia and D. Swern, J. Org. Chem., 1968, 33, 4440 CrossRef CAS.
  5. A. H. Jackson, Chem. Ind. (London), 1965, 1652 CAS.
  6. Products arising by reductive dimerization have been reported from the action of sodium borohydride on isatins; R. L. Autrey and F. C. Tahk, Tetrahedron, 1967, 23, 901 Search PubMed.
  7. C. Djerassi, M. Gorman and J. A. Henry, J. Am. Chem. Soc., 1955, 77, 4647 CrossRef CAS.
  8. C. Djerassi and D. H. Williams, J. Chem. Soc., 1963, 4046 RSC.
  9. A. R. Ahmad, L. K. Mehta and J. Parrick, J. Chem. Soc. Perkin Trans 1, 1996, 2443 RSC.
  10. P. Nickel and R. Zimmermann, Arch. Pharm., 1977, 310, 537 Search PubMed.
  11. E. Le Goff, J. Am. Chem. Soc., 1964, 29, 2048 CAS.
  12. V. Balogh, M. Fetizon and M. Golfier, J. Org. Chem., 1971, 36, 1339 CrossRef.
Click here to see how this site uses Cookies. View our privacy policy here.