Claims
- 1. A process which comprises polymerizing an olefin in the presence of a catalyst which comprises: (a) an activator; and (b) an organometallic complex comprising a Group 3 to 10 transition or lanthanide metal, M, and at least one indenoindolyl ligand that is π-bonded to M.
- 2. A process which comprises copolymerizing ethylene with a C3-C10 α-olefin in the presence of a catalyst which comprises: (a) an activator; and (b) an organometallic complex comprising a Group 3 to 10 transition or lanthanide metal, M, and at least one indenoindolyl ligand that is π-bonded to M.
- 3. A method which comprises:(a) reacting an indanone with an aryl hydrazine in the presence of a basic or acidic catalyst to produce an aryl hydrazone; (b) cyclizing the aryl hydrazone in the presence of an acidic catalyst to produce an indenoindole; (c) deprotonating the indenoindole and reacting the resulting anion with a Group 3 to 10 transition or lanthanide metal source to produce an organometallic complex comprising the metal, M, and at least one indenoindolyl ligand that is π-bonded to M.
Parent Case Info
This is a division of application Ser. No. 09/417,510, filed Oct. 14, 1999 U.S. Pat. No. 6,232,260.
US Referenced Citations (10)
Foreign Referenced Citations (1)
Number |
Date |
Country |
WO 9924446 |
May 1999 |
WO |
Non-Patent Literature Citations (4)
Entry |
Herzog et al., J. Am. Chem. Soc. 118 (1996) 11988. |
Mansel et al., J. Organometal. Chem. 512 (1996) 225. |
Buu-Hoï et al., J. Chem. Soc. (1952) 2225. |
March, Advanced Organic Chemistry, 2nd ed. (1977) 1054. |