Tetraazaperopyrene compounds and their use as n-type semiconductors
US9048438B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2012 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Mar 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A tetraazaperopyrene compound of formula (I): wherein: R1, R2, R3, R4, R5, R6, R7, R8 at each occurrence, independently are selected from H, Cl and Br, with the proviso that at least one of R1, R2, R3, R4, R5, R6, R7 and R8 is Cl or Br, R9, R10, at each occurrence, independently are selected from H, a C1-30 alkyl group, a C1-30 haloalkyl group, a C6-14 aryl group, a heteroaryl group having 5 to 14 ring atoms, and a C7-20 arylalkyl group, wherein aryl, heteroaryl and arylalkyl can be optionally substituted with one or more halogen, C1-4 haloalkyl, —CN, —NO2, —CHO, —COOH, —CONH2, —CO(C1-14 alkyl), —COO(C1-14 alkyl), —CONHC(C1-14 alkyl) and —CON(C1-14 alkyl)2 groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.