Anthraquinone compound
AssigneeIndustrial Technology Research Institute
InventorsLain-Tze Lee, Jinun-Ban Yeh
Life of this patent
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Abstract
A novel compound with anthraquinone structure and having the following foluma (I): wherein R1, R2 and R3 each independently is hydrogen, hydroxy, amino or C1-6 alkyl group; R4 is hydrogen, C1-18 alkyl carbonyl, C1-6 alkyl group substituted by at least a functional group; R5 is hydrogen amino or a group of the following formula wherein R1, R2, R3 and R4 are defined as the above; and R and R′ each independently is hydrogen, hydroxyl, amino, C1-6 alkyl group or a group of the following formula wherein R1, R2, R3 and R4 are defined as the above.
Claims24
A compound of the following formula (I):
- wherein:
- R1, R2 and R3 each independently is hydrogen, hydroxyl, amino or C1-6 alkyl group;
- R4 is hydrogen, C1-18 alkyl carbonyl, C1-6 alkyl group substituted by at least a functional group, said functional group is selected from the group consisting of hydroxyl, amino, carbado, carbazoyl, formyl, carbamyl, carboxyl, carbonyl, or a group of the following formula
- wherein X is fluoro, chloro, bromo, lodo, a group of the following formula
- wherein n is 1, 2, or 3, R6 is hydrogen or arylalkyl, or a group of the following formula
- wherein l is 1, 2, or 3, m is 0 or 1, n and R6 is defined as the above;
- R5 is hydrogen amino or a group of the following formula
- wherein R1, R2, R3 and R4 are defined as the above;
- and R and R′ each independently is hydrogen, hydroxyl, amino, C1-6 alkyl group or a group of the following formula
- wherein R1, R2, R3 and R4 are defined as the above.
A method for preparing a compound of the following formula (I),
- wherein:
- R1, R2 and R3 each independently is hydrogen, hydroxy, amino or C1-6 alkyl group;
- R4 is hydrogen, C1-18 alkyl carbonyl, C1-6 alkyl group substituted by at least a functional group, said functional group is selected from the group consisting of hydroxy, amino, carbado, carbazoyl, formyl, carbamyl, carboxyl, carbonyl, or a group of the following formula
- wherein X is fluoro, chloro, bromo, iodo, a group of the following formula
- wherein n is 1, 2, or 3, R6 is hydrogen or arylalkyl, or a group of the following formula
- wherein l is 1, 2, or 3, m is 0 or 1, n and R6 are defined as the above;
- R6 is hydrogen amino or a group of the following formula
- wherein R1, R2, R3 and R4 are defined as the above;
- and
- R and R′ each independently is hydrogen, hydroxyl, amino, C1-6 alkyl group or a group of the following formula
- wherein R1, R2, R3 and R4 are defined as the above, which comprising:
- a compound of the following formula (II)
- wherein n, R and R′ are defined as the above with a compound of the following formula (III) or formula (IV)
- wherein R1, R2, R3 and R4 are defined as the above, in the presence of a coupling agent to proceed a condensation reaction.
Dependencies are inferred from the claim text.