Claisen Rearrangement (ortho ester)

Claisen Rearrangement (ortho ester variant or Johnson variant)

Primary Reference
- Johnson, W.S.; Werthemann, L.; Bartlett, W.R.; Brocksom, T.J.; Li, T.; Faulkner, D.J.; Petersen, M.R. J. Am. Chem. Soc., 1970, 92, 741.
- Johnson, W.S.; Gravestock, M.B.; Parry, R.J.; Myers, R.F.; Bryson, T.A.; Miles, H. J. Am. Chem. Soc., 1971, 93, 4330.
Recent Examples
- Daub, G.W.,* Edwards, J.P.; Okada, C.R.; Allen, J.W.; Maxey, C.T.; Wells, M.S.; Goldstein, A.S.; Dibley, M.J. Wang, C.J.; Ostercamp, D.P.; Chung, S.; Cunningham, P.S. Berliner, M.A. J. Org. Chem., 1997, 62, 1976-1985.

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If you would like to contribute a current example, please send it to
smith@nucleus.chem.uconn.edu