Patent ID: 6695978
Filing Date: 2004-02-24
Classification: C07D,C08G,C09K

Abstract:
A compound according to formula IR1â€”[(A)aâ€”(B)bâ€”(C)c]nâ€”R2â€ƒâ€ƒI whereinA and C are independently of each other â€”CX1&boxH;CX2â€”, â€”Câ‰¡Câ€”, or optionally substituted arylene or heteroarylene, X1 and X2 are independently of each other H, F, Cl or CN, B is 2,5-benzo[b]thiophene or 2,2â€²-bisbenzo[b]thiophene that is optionally substituted with one or more groups R, R is, in each case independently, H, halogen, optionally substituted aryl, optionally substituted heteroaryl, or straight chain, branched or cyclic alkyl with 1 to 20 C-atoms, which is unsubstituted, or mono- or poly-substituted by F, Cl, Br, I or CN, wherein one or more non-adjacent CH2 groups can optionally be replaced, in each case independently from one another, by â€”Oâ€”, â€”Sâ€”, â€”NHâ€”, â€”NR0â€”, â€”SiR0R00â€”, â€”SnR0R00â€”, â€”COâ€”, â€”COOâ€”, â€”OCOâ€”, â€”OCOâ€”Oâ€”, â€”Sâ€”COâ€”, â€”COâ€”Sâ€”, â€”CH&boxH;CHâ€” or â€”Câ‰¡Câ€” in such a manner that O and/or S atoms are not linked directly to one another, or R can be Pâ€”Spâ€”X, R1 and R2 are independently of each other H, halogen, optionally substituted aryl, optionally substituted heteroaryl, or straight chain, branched or cyclic alkyl with 1 to 20 C-atoms, which is unsubstituted, or mono- or poly-substituted by F, Cl, Br, I or CN, wherein one or more non-adjacent CH2 groups can optionally be replaced, in each case independently from one another, by â€”Oâ€”, â€”Sâ€”, â€”NHâ€”, â€”NR0â€”, â€”SiR0R00â€”, â€”SnR0R00â€”, â€”COâ€”, â€”COOâ€”, â€”OCOâ€”, â€”OCOâ€”Oâ€”, â€”Sâ€”COâ€”, â€”COâ€”Sâ€”, â€”CH&boxH;CHâ€” or â€”Câ‰¡Câ€” in such a manner that O and/or S atoms are not linked directly to one another, or R1 and R2 can each independently be Pâ€”Spâ€”X, R0, R00 are independently of each other H or alkyl with 1 to 12 C-atoms, P is a polymerisable or reactive group, Sp is a spacer group or a single bond, and X is â€”Oâ€”, â€”Sâ€”, â€”OCH2â€”, â€”CH2Oâ€”, â€”COâ€”, â€”COOâ€”, â€”OCOâ€”, â€”OCOâ€”Oâ€”, â€”COâ€”NR0â€”, â€”NR0â€”COâ€”, â€”OCH2â€”, â€”CH2Oâ€”, â€”SCH2â€”, â€”CH2Sâ€”, â€”CH&boxH;CHâ€”COOâ€”, â€”OOCâ€”CH&boxH;CHâ€” or a single bond, a, b, c are independently of each other 0 or 1, with a+b+c>0, and wherein in at least one recurring unit [(A)aâ€”(B)bâ€”(C)c] b is 1, and n is an integer &gE;1, wherein the recurring units [(A)aâ€”(B)bâ€”(C)c] can be identical or different,with the proviso that in case n is 1 and a and c are 0, at least one of R, R1 and R2 is Pâ€”Spâ€”X.