1. Cobalt-Mediated [2 + 2 + 2]-Cycloadditions: A Maturing Synthetic Strategy [New Synthetic Methods (43)]
2. The phenylenes
3. See e.g. Yamazaki, H.; Yasufuku, K.; Wakatsuki, Y.Organometallics1983,2, 726, and earlier references cited therein. For a theoretical treatment see ref 3.
4. Nomura, O.; Wakatsuki, Y.; Kitaura, K.; Yamazaki, H.Sci. Pap. Inst.Phys. Chem. Res. (Jpn)1981,75, 118 [Chem. Abstr.1982,96, 217992].
5. Palyi, G.; Váradi, G.; Markó, L. InStereochemistry of Organometallicand Inorganic Compounds; Bernal, I., Ed.; Elsevier: Amsterdam, 1986; Vol. 1, p 358 ff.