Synthesis and properties of (O-acyl imidato)carbene complexes of

542 Organometallics, Vol. 9, No. 2, 1990

Additions and Corrections William J. Sartain and John P. Selegue*: Early-Late Transition Metal Bonds: Ruthenium-Titanium Compounds with Aryloxide Ligands. 1989,8,2153. In the discussion of bonding on page 2158, column 2, we should have stated that "A similar a-based explanation could explain the shorter metal-metal bond in 4, since aryloxides are more electronegative than amides."

Louis S. Hegedus,* Lisa M. Schultze, and John Montgomery: Synthesis and Properties of (0-Acyl imidato)carbene Complexes of Chromium, Molybdenum, and Tungsten. 1989, 8, 2189. Reference 15 should read as follows. (15) (a) Yang, D. C.; Dragisch, V.; Wulff, W. D.; Huffmann, J. C. J. Am. Chem. SOC. 1988,110,307 and references therein. (b) Fischer, H.; Seitz, F.; Muller, G. J. Organomet. Chem. 1987,320,185 and references therein. The citation in ref 16 should read as follows. (16) Aumann, R.; Althaus, S.; Krtiger, C.; Betz, P. Chem. Ber. 1989,122,357. Aumann, R. Private communication, Sept 28, 1989.

Additions and Corrections