Patent ID: 6072054
Filing Date: 2000-06-06
Classification: C07D,C07F

Abstract:
A cyclic bimetallized aryl compound having the following formula: ##STR24## wherein: X.sub.1 and X.sub.3 are the same or different and are each:(a) an aromatic structure having up to 6 conjugated rings which may be heteroaryl having C, N or S atoms, and which may include C(CH.sub.3).sub.2, SO.sub.2, S--S, or CO or C.sub.1-6 alkyl in the structure or as substituents;(b) a linear or branched alkyl group having from 3 to 12 carbons which may have S;(c) a cyclic alkyl having from 5 to 12 carbons; or(d) a heterocyclic alkyl having C, S, or N;X.sub.2 is benzene;n.sub.1 is O, S or N, and when n.sub.1 is N it may be combined with X.sub.1 ;n.sub.3 is O, S or N, and when n.sub.3 is N it may be combined with X.sub.3 ; andn.sub.4 is H or C.sub.1-6 alkyl; andX.sub.4 is cyclopentadienyl metal or tricarbonyl metal.