Synthesis and Characterization of Fe, Co-Mixed Metal Polynuclear

and C4 Ligands Derived From Butadiynyl (X = H) and Butadiynediyl Iron Complexes (X = Fp*), Fp*−C⋮C−C⋮C−X [Fp* = (η5-C5Me5)Fe(CO)2]: Tra...
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Organometallics 2000, 19, 212

Additions and Corrections 1999, Vol. 18 Aizoh Sakurai, Munetaka Akita,* and Yoshihiko Moro-oka*: Synthesis and Characterization of the Dodecahexaynediyldiiron Complex, Fp*-(CtC)6-Fp* [Fp* ) Fe(η5-C5Me5)(CO)2], the Longest Structurally Characterized Polyynediyl Complex. Page 3244. The authors sincerely apologize for their failure to acknowledge the Ishikawa Foundation for Carbon Science and Technology and the Yamada Science Foundation. They have given generous financial support to the work described in the above paper. OM9909082 10.1021/om9909082 Published on Web 12/29/1999

Pamela J. Shapiro,* Kevin M. Kane, Ashwani Vij, Dan Stelck, Gilbert J. Matare, Robert L. Hubbard, and Brett Caron: Reductive Coupling of an Indenylidene with Calcium To Form Bis(indenyl) ansa-Metallocenes: Molecular Structures of transPh2C2H2-rac-(η5-4,7-Me2C9H4)2Ca(THF)2 and transPh2C2H2-rac-(η5-4,7-Me2C9H4)2Fe. Page 3470. In the crystallographic data for compound 1 in Table 1, the space group should be P1 h and Z should be 8. We thank Dr. Richard Marsh (Caltech) for pointing out these errors. OM9909441 10.1021/om9909441 Published on Web 12/22/1999

Min-Chul Chung, Aizoh Sakurai, Munetaka Akita,* and Yoshihiko Moro-oka*: Synthesis and Characterization of Fe,Co-Mixed Metal Polynuclear Complexes with C4H and C4 Ligands Derived From Butadiynyl (X ) H) and Butadiynediyl Iron Complexes (X ) Fp*), Fp*-CtC-CtC-X [Fp* ) (η5-C5Me5)Fe(CO)2]: Transformation of the C4(H) Cluster Frameworks via Valence Isomerization and 1,2-H Shift of the Carbon Linkages. Page 4691. The authors sincerely apologize for their failure to acknowledge the Ishikawa Foundation for Carbon Science and Technology and the Yamada Science Foundation. They have given generous financial support to the work described in the above paper. OM990909U 10.1021/om990909u Published on Web 12/29/1999