Synthesis of N,N'-dialkyl-4'bipyridinium reagents
First Claim
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1. A compound having the formula:
- ##STR4## where R is an alkyl group having one to ten carbon atoms or an alkyl-aromatic group having one to ten carbon atoms in an alkyl chain and two or less rings; and
where R'"'"' is a covalent binding agent choosen from the following group;
lower silicon alkoxides, silicon halogens, lower boron alkoxides, or boron halogens.
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Abstract
A novel class of dialkyl and dialkyl-aromatic viologens (4,4'"'"'dipyridinium compounds) and their salts which may be polymerized and covalently bonded to electrodes for use in electronic display systems.
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Citations
13 Claims
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1. A compound having the formula:
- ##STR4## where R is an alkyl group having one to ten carbon atoms or an alkyl-aromatic group having one to ten carbon atoms in an alkyl chain and two or less rings; and
where R'"'"' is a covalent binding agent choosen from the following group;
lower silicon alkoxides, silicon halogens, lower boron alkoxides, or boron halogens. - View Dependent Claims (2, 3, 4, 5, 6)
- ##STR4## where R is an alkyl group having one to ten carbon atoms or an alkyl-aromatic group having one to ten carbon atoms in an alkyl chain and two or less rings; and
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7. An ionic material having the formula:
- ##STR5##
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8. A salt having the formula:
- ##STR6## where R is an alkyl group having one to ten carbon atoms or an alkyl-aromatic group having one to ten carbon atoms in an alkyl chain and two or less rings;
where R'"'"' is a binding agent choosen from the following group;
silicon alkoxides, silicon halogens, boron alkoxides or boron halogens.and X is a halogen or other anion for charge balance. - View Dependent Claims (9, 10, 11, 12)
- ##STR6## where R is an alkyl group having one to ten carbon atoms or an alkyl-aromatic group having one to ten carbon atoms in an alkyl chain and two or less rings;
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13. A salt having the formula:
- ##STR7##
Specification