Synthesis, Characterization, and Structure of Cyclopenta[c]thiophenes and Their Manganese Complexes

Document Type

Article

Publication Date

10-2005

Abstract

Cyclopenta[c]thiophenes (2, Scheme 1) and η5-cyclopenta[c]- thienyl complexes are useful in a broad range of applications. For example, several cyclopenta[c]thiophenes exhibit significant antitumor properties.1,2 Heterocycle-fused cyclopentadienyl, including cyclopenta[c]thienyl, zirconium complexes effectively catalyze the regiospecific polymerization of 1-alkenes.3-6 We have a long-term interest 7-10 in the electronic properties of organometallic analogues of the low-band-gap polymer poly(benzo[3,4-c]thiophene) (polyisothianaphthene)11-14 that incorporate η5-cyclopenta[c]thienyl monomers.

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