Patent ID: 11913884
Assignee: WILLIAM MARSH RICE UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  C  A  B | IPC A  B  C  G

Claim 5:
6. The photoactivatable fluorophore of claim 1, wherein the photoactivatable fluorophore is further defined as:, , wherein:
o is 0, 1, 2, 3, or 4;
X5 is —O— or —NRr—, wherein:
Rr is hydrogen; or
alkyl(C≤8), substituted alkyl(C≤8), acyl(C≤8), or substituted acyl(C≤8); or
—C(O)Rs, wherein:
Rs is hydroxy or amino; or
 alkyl(C≤8), alkoxy(C≤8), alkylamino(C≤8), dialkylamino(C≤8), or a substituted version of any of these groups;

X6 is ═O or ═S; and
R15 at each instance is independently hydrogen, halo, hydroxy, amino, nitro, or cyano; or
alkyl(C≤8), alkoxy(C≤8), alkylamino(C≤8), dialkylamino(C≤8), amido(C≤8), or a substituted version of any of these groups; or
—C(O)Rt, wherein;
Rt is hydroxy or amino; or
alkyl(C≤8), alkoxy(C≤8), alkylamino(C≤8), dialkylamino(C≤8), or a substituted version of any of these groups;, or a pharmaceutically acceptable salt or tautomer thereof.