Abstract: The present invention provides compounds of formulae (1) (2) wherein R1 and R2 are C1-30alkyl, C2-3O-alkenyl, C2-30-alkynyl, C5-7-cycloalkyl, C6-14-aryl or 5 to 14 membered heteroaryl, wherein C1-30-alkyl, C2-3O-alkenyl and C2-3O-alkynyl can be substituted with one or more substituents selected from the group consisting of halogen, phenyl, O—C1-20-alkyl, O—C2-20-alkenyl and O—C2-2O-alkynyl, and wherein C5-7-cycloalkyl, C6-14-aryl and 5 to 14 membered heteroaryl can be substituted with one or more substituents selected from the group consisting of halogen, C1-20alkyl, C2-2O-alkenyl, C2-2O-alkynyl, O—C1-20-alkyl, O—C2-2o-alkenyl and O—C2-2o-alkynyl, Ra, Rb, Rc and Rd are independently and at each occurrence selected from the group consisting of C1-30alkyl, C2-30-alkenyl, C2-30-alkynyl, C6-14-aryl and 5 to 14 membered heteroaryl, wherein C1-30-alkyl, C2-3o-alkenyl and C2-3o-alkynyl can be substituted with one or more substituents selected from the group consisting of halogen, phenyl, O—C1-20-alkyl, O—C2-20-alken

Abstract: The present invention provides compounds of formulae (1) (2) wherein R1 and R2 are C1-30alkyl, C2-3O-alkenyl, C2-30-alkynyl, C5-7-cycloalkyl, C6-14-aryl or 5 to 14 membered heteroaryl, wherein C1-30-alkyl, C2-3O-alkenyl and C2-3O-alkynyl can be substituted with one or more substituents selected from the group consisting of halogen, phenyl, O—C1-20-alkyl, O—C2-20-alkenyl and O—C2-2O-alkynyl, and wherein C5-7-cycloalkyl, C6-14-aryl and 5 to 14 membered heteroaryl can be substituted with one or more substituents selected from the group consisting of halogen, C1-20alkyl, C2-2O-alkenyl, C2-2O-alkynyl, O—C1-20-alkyl, O—C2-2o-alkenyl and O—C2-2o-alkynyl, Ra, Rb, Rc and Rd are independently and at each occurrence selected from the group consisting of C1-30alkyl, C2-30-alkenyl, C2-30-alkynyl, C6-14-aryl and 5 to 14 membered heteroaryl, wherein C1-30-alkyl, C2-3o-alkenyl and C2-3o-alkynyl can be substituted with one or more substituents selected from the group consisting of halogen, phenyl, O—C1-20-alkyl, O—C2-20-alken

Abstract: The present invention provides compounds of formula (I) wherein X is O, S or NR10, wherein R10 is H, C1-30-alkyl, substituted C1-30-alkyl, C2-30-alkenyl, substituted C2-30-alkenyl, C2-30-alkynyl, substituted C2-30-alkynyl or C(0)-OR11, R1 and R11 are independently from each other selected from the group consisting of C1-30-alkyl, substituted C1-30-alkyl, C2-30-alkenyl, substituted C2-30-alkenyl, C2-30-alkynyl, substituted C2-30-alkynyl, C5-8-cycloalkyl, substituted C5-8-cycloalkyl, C5-8-cycloalkenyl, and substituted C5-8-cycloalkenyl, and an electronic device comprising the compounds as semiconducting material.

Abstract: The present invention provides compounds of formula (I) wherein X is O, S or NR10, wherein R10 is H, C1-30-alkyl, substituted C1-30-alkyl, C2-30-alkenyl, substituted C2-30-alkenyl, C2-30-alkynyl, substituted C2-30-alkynyl or C(0)-OR, R1 and R11 are independently from each other selected from the group consisting of C1-30-alkyl, substituted C1-30-alkyl, C2-30-alkenyl, substituted C2-30-alkenyl, C2-30-alkynyl, substituted C2-30-alkynyl, C5-8-cycloalkyl, substituted C5-8-cycloalkyl, C5-8-cycloalkenyl, and substituted C5-8-cycloalkenyl, and an electronic device comprising the compounds as semiconducting material.

Abstract: The present invention provides compounds of formula 1 wherein X1 and X2 are independently from each other O, S or Se, and an electronic device comprising the compounds as semiconducting material.

Abstract: The present invention relates to compounds of the formula I wherein X1, X2 are O or C(CN)2; A is selected from wherein, if present, X3, X4 are O or C(CN)2 and m, R4a, R4b, R5a, R5b, R6a, R6b, R6c, R6d, R7a, R7a, R8a, R8b, R9, R10a, R10b, Rm1, Rm2, Rm3 and Rm4 are as defined in the claims and description. The present invention also relates to a method for their preparation and their use as semiconductors, in particular as semiconductors in organic electronics and organic photovoltaics.

Abstract: The present invention provides compounds of formula 1 wherein X1 and X2 are independently from each other O, S or Se, and an electronic device comprising the compounds as semiconducting material.