1. McFadyen, J. S.; Stevens, T. S. J. Chem. Soc. 1936, 584–587. Thomas S. Stevens (1900–2000) was born in Renfrew, Scotland. After earning his Ph.D. under W. H. Perkin at Oxford University, he became a reader at the University of Sheffield. J. S. McFadyen (1908–?) was born in Toronto, Canada. After studying under Stevens at the University of Glasgow, he worked for ICI for 15 years before returning to Canada where he worked for the Canadian Industries, Ltd., Montreal.
2. Newman, M. S.; Caflisch, E. G., Jr. J. Am. Chem. Soc. 1958, 80, 862–864.
3. Sprecher, M.; Feldkimel, M.; Wilchek, M. J. Org. Chem. 1961, 26, 3664–3666.
4. Babad, H.; Herbert, W.; Stiles, A. W. Tetrahedron Lett. 1966, 7, 2927–2931.
5. Graboyes, H.; Anderson, E. L.; Levinson, S. H.; Resnick, T. M. J. Heterocycl. Chem. 1975, 12, 1225–1231.