Patent ID: 7585928

Claim:
A compound corresponding to the formula, wherein L is —O—, —S—, —N═N—, —C(O)—, —(SO 2 )—, or —OC(O)—; Z is independently in each occurrence hydrogen, halogen, an unsubstituted or inertly substituted hydrocarbyl group, Z″X, or two adjacent Z groups together with the carbons to which they are attached form a fused aromatic ring, Z″ is a divalent derivative of an unsubstituted or inertly substituted hydrocarbyl group joining two or more structures of formula (I), or joining a dienophile group, a bound mesogenic poragen forming moiety, or a moiety comprising both an A-functionality and a bound mesogenic poragen forming moiety, X is a second structure of formula (I), a moiety comprising a dienophile group, a group comprising a mesogenic poragen forming moiety, or a moiety comprising both a dienophile group and a mesogenic poragen forming moiety and in at least one occuffence, Z is a Z″X group of the formula: -Z″-C≡CM; or in at least one occurrence, Z is a Z″X group of the formula: -Z″-C≡CR and in at least one other occurrence Z is a Z″X group comprising a mesogenic poragen forming moiety; wherein, M is independently each occurrence a bound mesogenic poragen forming moiety; and R is independently each occurrence selected from the group consisting of hydrogen, C 1-4 alkyl, C 6-60 aryl, and C 7-60 inertly substituted aryl groups.