Compound for use in the synthesis of semiconducting polymers with perpendicularly arranged cores and method of synthesizing said compound
US5026894A · kind A · utility
21Cited by
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4Claims
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Key dates
| Filing date | Mar 12, 1990 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Mar 12, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/94
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The stereochemical structure necessary for preparation of perpendicularly arranged cores is provided by a compound of the formula ##STR1## This compound can be synthesized by the reaction of ##STR2## with bromine in the presence of FeCl.sub.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.