Patent number: 8389670
Abstract: Dithienobenzo-thieno[3,2-b]thiophene-copolymers of the formula (I) wherein: pi is a monocyclic or polycyclic moiety optionally substituted with 1-4 Ra groups, wherein Ra, at each occurrence, is independently hydrogen or a) a halogen, b) —(CN, c) —NO2, d) oxo, e) —OH, f) ?C(Rb)2; g) a C1-20 alkyl group, h) a C2-20 alkenyl group, i) a C2-20 alkynyl group, j) a C1-20 alkoxy group, k) a C1-20 alkylthio group, l) a C1-20 haloalkyl group, m) a —Y—C3-10 cycloalkyl group, n) a —Y—C6-14 aryl group, o) a —Y-3-12 membered cycloheteroalkyl group, or p) a —Y-5-14 membered heteroaryl group, wherein each of the C1-20 alkyl group, the C2-20 alkenyl group, the C2-20 alkynyl group, the C3-10 cycloalkyl group, the C6-14 aryl or haloaryl group, the 3-12 membered cycloheteroalkyl group, and the 5-14 membered heteroaryl group is optionally substituted with 1-4 Rb groups; Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; and R1, R2, R3, at each occurrence, are
Type:
Grant
Filed:
November 29, 2010
Date of Patent:
March 5, 2013
Assignees:
BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
Inventors:
Marcel Kastler, Silke Annika Koehler, Klaus Muellen, Ralph Rieger
Publication number: 20120289672
Abstract: Dithienobenzo-thieno[3,2-b]thiophene-copolymers of the formula (I) wherein: pi is a monocyclic or polycyclic moiety optionally substituted with 1-4 Ra groups, wherein Ra, at each occurrence, is independently hydrogen or a) a halogen, b) —(CN, c) —NO2, d) oxo, e) —OH, f) ?C(Rb)2; g) a C1-20 alkyl group, h) a C2-20 alkenyl group, i) a C2-20 alkynyl group, j) a C1-20 alkoxy group, k) a C1-20 alkylthio group, l) a C1-20 haloalkyl group, m) a —Y—C3-10 cycloalkyl group, n) a —Y—C6-14 aryl group, o) a —Y-3-12 membered cycloheteroalkyl group, or p) a —Y-5-14 membered heteroaryl group, wherein each of the C1-20 alkyl group, the C2-20 alkenyl group, the C2-20 alkynyl group, the C3-10 cycloalkyl group, the C6-14 aryl or haloaryl group, the 3-12 membered cycloheteroalkyl group, and the 5-14 membered heteroaryl group is optionally substituted with 1-4 Rb groups; Y, at each occurrence, is independently a divalent C1-6 alkyl group, a divalent C1-6 haloalkyl group, or a covalent bond; and R1, R2, R3, at each occurrence, are
Type:
Application
Filed:
November 29, 2010
Publication date:
November 15, 2012
Applicants:
Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V., BASF SE
Inventors:
Marcel Kastler, Silke Annika Koehler, Klaus Muellen, Ralph Rieger