1. Studien über das freie Rhodan
2. (b) Block, E.; Schwan, A. L. InComprehensive Organic Synthesis; Trost, B. M., Fleming, I., Semmelhack, M. F., Eds.; Pergamon: Oxford, U.K., 1991; Vol. 4, p 348.
3. See for instance: (a) Bennett, M. A.; Bruce, M. I.; Matheson, T. W. InComprehensive Organometallic Chemistry; Abel, E. W., Stone, F. G. A., Wilkinson, G., Eds.; Pergamon: Oxford, U.K., 1982; Vol. 4, p 705. (b) Bruce, M. I. in ref 3a, Vol. 4, p 883. (d) Odomin, J. D. In ref 3a, Vol. 1, p 289. (d) Puddephatt, R. J. InComprehensive Coordination Chemistry; Wilkinson, G., Gillard, R. D., McCleverty, J. A., Eds.; Pergamon: Oxford, U.K., 1987; Vol. 5, p 887.