1. (a) and ?Oxidation in Organic Chemistry,? Ed., Academic, New York, 1973, pt. B, chap. 4;
2. (b) and U.S. Patent 3409, 649 to Ethyl Corp., 1968,
3. Ru-Catalyzed Oxidation of Acetylenes to α-Diketones with Iodosylbenzene
4. and J. Chem. Soc., Chem. Comm., 1420 (1970).