Patent ID: 6121495
Filing Date: 2000-09-19
Classification: C07C,C07F,C08G

Abstract:
A compound having the structure:(R--C.tbd.C.paren close-st..sub.n Ar--L.brket open-st.Ar.paren open-st.C.tbd.C--R).sub.m ].sub.qwherein each Ar is an aromatic group or inertly-substituted aromatic group and each Ar comprises at least one aromatic ring; each R is independently hydrogen, an alkyl, aryl or inertly-substituted alkyl or aryl group; L is a covalent bond, an alkyl group of 1 to 20 carbon atoms, biphenyl, phenyl, naphthyl, a fluorene, a polymeric chain, oxygen, sulfur, nitrogen, an inertly-substituted amine, phosphorus, or an inertly-substituted phosphine, provided that the groups Ar and L taken together do not form a fused ring structure; n and m are integers of at least 2; and q is an integer of at least 1, and wherein at least two of the ethynylic groups on one of the aromatic rings are ortho to one another, wherein the inertly-substituted groups are characterized by having one or more substituents that are inert to subsequent polymerization of the compound.