(1) T. Onak in" Boron Hydride Chemistry", EL Muetterties, Ed., Academic Press, New York, NY, 1975, Chapter 10.(2) A number of one-and three-carbon carboranes are known and recently the synthesis of another example of a tetracarbon carborane,(CHS)~ C~ B~ HE, from the air oxidation of [(CH3) &2B4H4] 2Fe" H2 has been reported: WM Maxwell, VR Miller, and RN Grimes, J. Am. Chem. Soc., 96, 7116 (1974); WM Maxwell, VR Miller, and ...