Derivatives of pyrrolopyrrole cyanines and uses thereof

US12410198B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12410198-B2
Application numberUS-202118259567-A
CountryUS
Kind codeB2
Filing dateDec 21, 2021
Priority dateDec 28, 2020
Publication dateSep 9, 2025
Grant dateSep 9, 2025

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Disclosed is a compound having the following formula (1):as well as to the use of such as a dye sensitizer.Also disclosed is a dye sensitized solar cell including at least one compound of formula (I) as dye sensitizer.

First claim

Opening claim text (preview).

The invention claimed is: 1. A compound having the following formula (I): wherein: Ar is selected from the group consisting of: a phenyl group; and a phenyl group substituted with at least one substituent L selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; Y is selected from the group consisting of: a phenylene radical; and a thiophenylene radical; a furanylene radical; and W is a phenyl group comprising at least one substituent Z, wherein Z is selected from the group consisting of: (C 1 -C 12 )alkyl groups; (C 1 -C 12 )alkoxy groups; and di((C 1 -C 12 )alkyl)amino groups; R 1 is H; R 2 is an anchoring group selected from the group consisting of: a —COOH group; a —C(═O)—NH(OH) group; a —CH═C(CN)(COOH) group; and a —PO 3 H 2 group; R 3 is selected from the group consisting of: H; an anchoring group selected from the group consisting of: a —COOH group; a —C(═O)—NH(OH) group; a —CH═C(CN)(COOH) group; and a —PO 3 H 2 group; (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; (C 1 -C 16 )thioalkyl groups; and a group having the following formula (III): wherein R 5 and R 6 , identical or different, are selected from the group consisting of: (C 1 -C 16 )alkyl groups; a group having the following formula (IV): R 7 being a (C 1 -C 16 )alkyl group; a group having the following formula (V): R a being a (C 1 -C 16 )alkyl group; a group having the following formula (VI): R 9 being a (C 1 -C 16 )alkyl group; a group having the following formula (III-1): wherein R′ 5 and R′ 6 , identical or different, are a group having the following formula (VI-1): R′ 9 being a (C 1 -C 16 )alkyl group; R 4 is selected from the group consisting of: H; (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; (C 1 -C 16 )thioalkyl groups; and a group having the following formula (VII): wherein R 10 and R 11 , identical or different, are selected from the group consisting of: (C 1 -C 16 )alkyl groups; a group having the following formula (VIII): R 12 being a (C 1 -C 16 )alkyl group; a group having the following formula (IX): R 13 being a (C 1 -C 16 )alkyl group; a group having the following formula (X): R 14 being a (C 1 -C 16 )alkyl group. 2. The compound having the formula (I) of claim 1 , wherein Ar is selected from the group consisting of: a phenyl group; a substituted phenyl group comprising one substituent in ortho, meta or para position, having the following formula (1): L being as defined in claim 1 ; a substituted phenyl group having the following formula (2): wherein L 1 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; L 2 is H and L 3 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; or L 3 is H and L 2 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; a substituted phenyl group having the following formula (3): wherein L 4 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; L 5 is H and L 6 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; or L 6 is H and L 5 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups. 3. The compound having the formula (I) of claim 1 , wherein Ar is selected from the group consisting of: a phenyl group; a substituted phenyl group comprising one substituent in ortho, meta or para position, having the following formula (1): L being as defined in claim 1 ; a substituted phenyl group having the following formula (2): wherein L 1 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; L 2 is H and L 3 is identical to L 1 or L 3 is H and L 2 is identical to L 1 ; and a substituted phenyl group having the following formula (3): wherein L 4 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; and L 5 is H and L 6 is identical to L 4 or L 6 is H and L 5 is identical to L 4 . 4. The compound having the formula (I) of claim 1 , wherein Ar is a phenyl group, a p-tert-butylphenyl group or a phenyl group substituted with an alkoxy group. 5. The compound according to claim 1 , having the following formula (II): wherein Ar, R 1 , R 2 , R 3 , R 4 , and W are as defined in claim 1 . 6. The compound according to claim 1 , wherein W is a group having one of the below formulae (4) to (7): Z being as defined in claim 1 . 7. The compound according to claim 1 , wherein R 2 is a —COOH group. 8. The compound according to c

Assignees

Inventors

Classifications

  • Dye sensitized solar cells · CPC title

  • Charge-transfer complexes · CPC title

  • comprising boron · CPC title

  • comprising a mixture of two or more dyes · CPC title

  • comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution · CPC title

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Frequently asked questions

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What does patent US12410198B2 cover?
Disclosed is a compound having the following formula (1):as well as to the use of such as a dye sensitizer.Also disclosed is a dye sensitized solar cell including at least one compound of formula (I) as dye sensitizer.
Who is the assignee on this patent?
Centre Nat Rech Scient, Univ Nantes, Univ Picardie
What technology area does this patent fall under?
Primary CPC classification C07F5/02. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Sep 09 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).