References
- Grandmaison , J.-L. and Brassard , P. 1977 . Tetrahedron , 33 : 2047
- Taskinen , E. and Pentikainen , M.-L. 1978 . Tetrahedron , 34 : 2365 E. R. Cliff and D. J. Dunn, Org. Prep. Proced. Int., 1975, 7, 23.
- There are a number of reports of the use of NBS in analogous preparations of bromoacetals;see Y. Ueno, K. Chino, M. Watanabe, O. Moriya, and M. Okawara, J. Chem. Soc., 1982, 104, 5564. NIS has also been used; see G. Stork and P. M. Sher, J. Am. Chem. Soc., 1986, 108, 303.