3,6-disubstituted xanthylium salts
US-2017088534-A1 · Mar 30, 2017 · US
US10174202B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10174202-B2 |
| Application number | US-201815886494-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 1, 2018 |
| Priority date | Feb 3, 2017 |
| Publication date | Jan 8, 2019 |
| Grant date | Jan 8, 2019 |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
Compounds of formula I are disclosed: wherein X 1 , X 2 , X 3 , X 4 are independently H, F, Cl, Br, I, CN, NO 2 , OR 1 , SR 1 , NR 1 R 2 , COR 1 , COOR 1 , CONR 1 R 2 , PO 3 R 1 R 2 , SO 2 R 1 , SO 3 R 1 or R 3 ; R 1 and R 2 are, e.g., H, alkyl or aryl or optionally a ring; R 3 is, e.g., alkyl, alkenyl, alkynyl, aryl or cycloalkyl; Y is OR 1 , NR 1 R 2 , or NR 1 R 3 ; Q is O, S, SO 2 , NR, C(R 3 ) 2 , Si(R 3 ) 2 , Ge(R 3 ) 2 , P(═O)R 3 or P(═O)OR 3 ; Q and X 1 can optionally form part of a ring; L and M are independently OR 1 , SR 1 , NR 1 R 2 and R 3 ; L and M can optionally form part of a ring; Z is O, S, NR 1 , CR 1 R 3 or aryl; and Z and X 4 can optionally form part of a ring.
Opening claim text (preview).
The invention claimed is: 1. A compound which is a fluorescent dye and has the structural formula: wherein: each of X 1 , X 2 , X 3 and X 4 is a member independently selected from the group consisting of H, F, Cl, Br, I, CN, NO 2 , OR 1 , SR 1 , NR 1 R 2 , COR 1 , COOR 1 , CONR 1 R 2 , PO 3 R 1 R 2 , SO 2 R 1 , SO 3 R 1 and R 3 , where: R 1 and R 2 are independently selected from H, alkyl, aryl or heteroaryl, and R 1 and R 2 can optionally form together a substituted or unsubstituted 4-7 membered ring; R 3 is alkyl, alkenyl, alkynyl, aryl or cycloalkyl, optionally substituted with one or more heteroatoms independently selected from N, O, S, F, Cl, Br, I, N 3 , amine, OH, OR 1 , OCOR 1 , aryl, COOR 1 , CONR 1 R 2 , PO 3 H 2 and SO 3 H, where R 1 and R 2 are defined as above; Y is selected from OR 1 , NR 1 R 2 , or NR 1 R 3 , where R 1 , R 2 and R 3 are defined as above; Q is selected from O, S, SO 2 , NR 3 , C(R 3 ) 2 , Si(R 3 ) 2 , Ge(R 3 ) 2 , P(═O)R 3 , or P(═O)OR 3 , where R 3 is defined as above, and wherein Q and X 1 , taken together with the atoms to which they are bonded, can optionally form a substituted or unsubstituted 5-7 membered ring; L and M are independently selected from OR 1 , SR 1 , NR 1 R 2 or R 3 , where R 1 , R 2 and R 3 are defined as above, and wherein L and M, taken together with the atoms to which they are bonded, can optionally form a substituted or unsubstituted 5-7 membered ring; and Z is selected from O, S, NR 1 , CR 1 R 3 or aryl, where R 1 and R 3 are defined as above, and wherein Z and X 4 , taken with the atoms to which they are bonded, can optionally form a substituted or unsubstituted 5-7 membered ring. 2. The compound according to claim 1 , wherein the amine is a member selected from the group consisting of NH 2 , NH(alkyl), NH(aryl), N(alkyl)(aryl) and N(alkyl) 2 . 3. The compound according to claim 1 , where Z and X 4 , taken with the atoms to which they are bonded, form a substituted or unsubstituted 5-7 membered ring, substituted with at least one additional heteroatom selected from the group consisting of N, O and S and/or at least one substituent selected from the group consisting of F, Cl, Br, I, CN, N 3 , B(OR 1 )(OR 2 ), OR 1 , SR 1 , NR 1 R 2 , COR 1 , COOR 1 , CONR 1 R 2 , PO 3 R 1 R 2 , SO 2 R 1 , SO 3 R 1 and R 3 , where R 1 , R 2 , R 3 are defined as in claim 1 . 4. The compound according to claim 1 , having one of the following formulae Ia-Is: wherein: each substituent X is a member independently selected from the group consisting of: H, F, Cl, Br, I, CN, NO 2 , OR 1 , SR 1 , NR 1 R 2 , COR 1 , COOR 1 , CONR 1 R 2 , PO 3 R 1 R 2 , SO 2 R 1 , SO 3 R 1 and R 3 , where R 1 , R 2 , R 3 are defined as in claim 1 ; the substituent R′ is selected from H and R 3 , where R 3 is defined as in claim 1 ; Q′ is selected from O, S, SO 2 , NR 3 , C(R 3 ) 2 , Si(R 3 ) 2 , Ge(R 3 ) 2 , P(═O)R 3 , and P(═O)OR 3 , where R 3 is defined as in claim 1 , L, M, R 1 , R 2 are defined as in claim 1 ; wherein the substituents L, M, and R 1 are defined as in claim 1 , the substituents Q′, R′ and X are defined as above; wherein the substituents L, M, R 1 and R 2 are defined as in claim 1 , the substituents Q′, R′ and X are defined as above; wherein: R 1a and R 2a are independently selected from H, alkyl, aryl or heteroaryl, and wherein R 1a and R 2a can optionally form together a substituted or unsubstituted 4-7 membered ring; R 1b and R 2b are independently selected from H, alkyl, aryl or heteroaryl, and wherein R 1b and R 2b can optionally form together a substituted or unsubstituted 4-7 membered ring; L and M are defined as in claim 1 , Q′ and X are defined as above, and a positive charge is delocalized among atoms of the conjugated system in alternating positions such that structure Id above represents only one possible mesomeric structure; wherein: R 1a and R 2a are independently selected from H, alkyl, aryl or heteroaryl, and wherein R 1a and R 2a can optionally form together a substituted or unsubstituted 4-7 membered ring; R 1b and R 2b are independently selected from H, alkyl, aryl or heteroaryl, and wherein R 1b and R 2b can optionally form together a substituted or unsubstituted 4-7 membered ring; L and M are defined as in claim 1 , Q′ and X are defined as above, and a positive charge is delocalized among atoms of the conjugated system in alternating positions such that structure Ie above represents only one possible mesomeric structure; wherein the substituents L, M, R 1 and R 2 are defined as in claim 1 , Q′, R′ and X are defined as above, and a positive charge is delocalized among atoms of the conjugated system in alternating positions such that structure If above represents only one possible mesomeric structure; wherein the substituents L and M are defined as in claim 1 , Q′ and X are defined as above, R a , R b and R c are independently selected from H and R 3 , where R 3 is defined as in claim 1 ; wherein the substituents L and M are defined as in claim 1 , Q′ and X are defined as above, R a , R b and R c are independently selected from H and R 3 , where R 3 is defined as in claim 1 ; wherein the substituents L and M are defined as in claim 1 , Q′ and X are defined as above, R a , R b and R c are independently selected from H and R 3 , where R 3 is defined as in claim 1 ; wherein the substituents L and M are defined as in claim 1 , Q′ and X are defined as above, R a , R b , R c and R d are independently selected from H and R 3 , where R 3 is defined as in claim 1 , and a positive charge is delocalized among atoms of the conjugated system in alternating positions such that structure Ij above represents only one possible mesomeric structure; wherein the substituents L and M are defined as in claim 1 , Q′ and X are defined as above, R a , R b , R c and R d are independently selected from H and R 3 , where R 3 is defined as in claim 1 , and a positive charge is delocalized among atoms of the conjugated system in alternating positions such that structure Ik above represents only one possible mesomeric structure;
at least one of the hetero rings does not contain nitrogen as ring hetero atom · CPC title
Amides of aromatic acids (P-C aromatic linkage) · CPC title
only nitrogen-containing hetero rings · CPC title
containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings · CPC title
Other synthetic dyes of known constitution · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.