References
- Baldwin , J. E. , North , M. , Flinn , A. and Moloney , M. G. 1989 . Tetrahedron , 45 : 1465 – 1474 .
- Baldwin , J. E. , North , M. , Flinn , A. and Moloney , M. G. 1989 . Tetrahedron , 45 : 1453 – 1464 .
- Kienzler , T. , Strazewski , P. and Tamm , C. 1992 . Helv. Chim. Acta , 75 : 1078 – 1084 .
- Rosowsky , A. 1989 . In Progress in Medicinal Chemistry , Vol. 26 , pp 1 – 252 . Elsevier Science Publishers .
- Pawelczak , K. , Krzyzanowski , L. and Rzeszotarska , B. 1985 . Org. Prep. Proced. Int. , 17 : 416 – 419 . and references cited therein.
- Bold , G. , Steiner , H. , Moesch , L. and Walliser , B. 1990 . Helv. Chim. Acta , 73 : 405 – 410 .
- Belshaw , P. J. , Mzengeza , S. and Lajoie , G. A. 1990 . Synth. Commun. , 20 : 3157 – 3160 .