Bimodal ligands with macrocyclic and acyclic binding moieties, complexes and compositions thereof, and methods of using
View Patent ↗Substituted 1,4,7-triazacyclononane-N,N′,N″-triacetic acid and 1,4,7,10-tetraazacyclcododecane-N,N′,N″,N′″-tetraacetic acid compounds with a pendant amino or hydroxyl group, metal complexes thereof, compositions thereof, and methods of making and use in diagnostic imaging and treatment of cellular disorders.
1. A compound of formula (III):
wherein: R′ independently is OH, NH 2 , or OR″, wherein R″ independently is alkyl, tert-butyl, allyl, benzyl, or a protecting group; m is 0 or 1; Y is a structure of formula (a-1):
where p is 0 or 1; Z is hydrogen, CHR 18 COR′, or a group of formula (a-5), (a-6), or (a-7);
where n is 1-10 and each of X 1 -X 5 independently is or includes hydrogen, halo, cyano, alkyl, hydroxy, nitro, amino, alkylamino, thiocyano, isothiocyano, alkoxy, aryloxy, carboxyl, carboxyalkyl, carboxyalkyloxy, ester, amido, aldehydo, alkylamido, holoalkylamido, an ester containing group, an carbonyl containing group, an amide containing group, a thioamide containing group, or an amino acid-containing group; and each of R 1-21 independently is or includes hydrogen, carboxyalkyl, alkylamido, alkyl, allyl, benzyl, benzyloxyalkyl, cycloalkyl, alkoxy, hydroxyalkyl, aryl, aryloxy, hydroxyaryl, heteroaryl, phenyl, vinyl, alkynyl, alkenyl, furannylalkyl, alkylthioalkyl, arylhydroxyalkyl, indanyl, inolylalkyl, naphthylalkyl, imidazolylalkyl, pyridiylalkyl, benzothiophenylalkyl, thiophenylalkyl, thioalkyl, thioaryl, thiobenzyl, hydroxy, carboxyl, carboxyalkyloxy, amine, carboxylic acid, or holoalkylamido, aldehyde, ester, amido, tosyl, phthalimidyl, trityl, tert-butyloxycarbonyl, carbobenzyloxy, o-nosyl, acetyl, fluoroacetyl, dimethoxybenzyl, p-methoxybenzyl, an amide containing group, a thioamide containing group, an amino acid-containing group, an ester containing group, a protecting group, or the group of formula (a-5), (a-6), or (a-7); wherein at least one of R 1-21 comprises the group of formula (a-5), (a-6), or (a-7).
2. The compound according to claim 1 , wherein at least one of R 1-9 or R 12-17 comprises a cycloalkyl formed with a neighboring carbon.
3. A complex comprising the compound of claim 1 and a metal ion, a radioactive isotope of the metal ion, or a radioactive isotope of carbon, nitrogen, iodine, fluorine, oxygen, or helium.
4. A conjugate comprising the compound of claim 1 and a targeting moiety, a fluorescence moiety, or a nanoparticle.
5. The conjugate according to claim 4 , comprising the targeting moiety, wherein the targeting moiety comprises a biomolecule selected from a hormone, a bile acid, an amino acid, a peptide, a peptidomimetic, a protein, a deoxyribonucleic acid (DNA), a ribonucleic acid (RNA), a lipid, an albumin, a receptor molecule, a receptor binding molecule, a hapten, a monoclonal antibody, a polyclonal antibody, a peptide, an aptamer, a folic acid, an estrogen, or a transferrin.
6. A complex comprising the conjugate of claim 4 and a metal ion, a radioactive isotope of the metal ion, or a radioactive isotope of carbon, nitrogen, iodine, fluorine, oxygen, or helium.
7. A pharmaceutical composition comprising the compound of claim 1 and a pharmaceutically acceptable carrier.
8. The compound according to claim 1 , wherein m is 0, Z is CHR 18 COR′, and at least one of R′ of Z or formula (a-1) is not OH.
9. The compound according to claim 1 , wherein each of Z and one of R 14-15 is a compound of the formula of (a-5), (a-6), or (a-7).
10. The compound according to claim 9 , wherein at least one of R′ of Z or formula (a-1) is NH 2 .
11. The compound according to claim 1 , wherein Z is hydrogen and one of R 14-15 is a compound of the formula of (a-5), (a-6), or (a-7).
12. The compound according to claim 1 , wherein p is 1 and one of R 12-17 is a compound of the formula of (a-5), (a-6), or (a-7).
13. The compound according to claim 1 , wherein R 2 is a compound of the formula of (a-5), (a-6), or (a-7).
14. A compound of formula (III-a):
wherein: wherein p is 1 or 2 and n is 1 to 10; R′ independently is OH, NH 2 , or OR″, wherein R″ independently is alkyl, tert-butyl, allyl, benzyl, or a protecting group; each of R 1-6, 10-12, 18-20 independently is or includes hydrogen, carboxyalkyl, alkylamido, alkyl, allyl, benzyl, benzyloxyalkyl, cycloalkyl, alkoxy, hydroxyalkyl, aryl, aryloxy, hydroxyaryl, heteroaryl, phenyl, vinyl, alkynyl, alkenyl, furannylalkyl, alkylthioalkyl, arylhydroxyalkyl, indanyl, inolylalkyl, naphthylalkyl, imidazolylalkyl, pyridiylalkyl, benzothiophenylalkyl, thiophenylalkyl, thioalkyl, thioaryl, thiobenzyl, hydroxy, carboxyl, carboxyalkyloxy, amine, carboxylic acid, or holoalkylamido, aldehyde, ester, amido, tosyl, phthalimidyl, trityl, tert-butyloxycarbonyl, carbobenzyloxy, o-nosyl, acetyl, fluoroacetyl, dimethoxybenzyl, p-methoxybenzyl, an amide containing group, a thioamide containing group, an amino acid-containing group, an ester containing group, or a protecting group: and each of X 1 -X 5 independently is or includes hydrogen, halo, cyano, alkyl, hydroxy, nitro, amino, alkylamino, thiocyano, isothiocyano, alkoxy, aryloxy, carboxyl, carboxyalkyl, carboxyalkyloxy, ester, amido, aldehydo, alkylamido, holoalkylamido, an ester containing group, an carbonyl containing group, an amide containing group, a thioamide containing group, or an amino acid-containing group.
15. A method of preparing a compound of claim 1 , comprising:
chemically reacting a compound of formula (c-1) with a compound of (d-1) or (d-2)
where, k is or 1; m is 0 or 1; n is 1 to 10; p is 0 or 1; R 26 is a leaving group and includes tosylate, chloride, bromide, mesylate, triflate, or iodide; R 27-28 is independently is or includes hydrogen, alkyl, allyl, benzyl, cycloalkyl, hydroxyalkyl, aryl, heteroaryl, phenyl, vinyl, or an oxo group; to provide a compound of formula (e-1) or (e-2), where k is 2:
converting a compound of the formula (e-1) or (e-2), wherein R 22-23 is a protecting group, to a compound of the formula (e-3) or (e-4):
alkylating the compound of the formula (e3) or (e-4) to provide a compound according to formula (III).
16. The compound according to claim 1 , wherein one of R 14-15 is a compound of the formula of (a-5), (a-6), or (a-7).
17. The compound according to claim 1 , wherein at least one of R′ of Z or formula (a-1) is NH 2 .
18. The compound according to claim 1 , wherein at least one R′ of Z or of formula (a-1) is or includes tert-butoxy (O-tert-butyl).
19. The compound according to claim 1 , wherein Z includes tert-butyloxycarbonyl and each R′ is OR″, wherein R″ is tert-butyl.
20. The complex of claim 3 , wherein the metal ion is selected from the group consisting of Ac, Al, Bi, Pb, Y, Mn, Cr, Fe, Co, Zn, Ni, Tc, Gd, In, Ga, Cu, Re, Sm, Pm, Ho, Zr, a lanthanide, and an actinide.
21. The complex of claim 6 , wherein the metal ion is selected from the group consisting of Ac, Al, Bi, Pb, Y, Mn, Cr, Fe, Co, Zn, Ni, Tc, Gd, In, Ga, Cu, Re, Sm, Pm, Ho, Zr, a lanthanide, and an actinide.
22. The compound according to claim 1 , wherein one of R 12-13 is a compound of the formula of (a-5), (a-6), or (a-7).
23. The compound according to claim 1 , wherein at least one of: R 2 or one of R 12-17 comprises the group of formula (a-5), (a-6), or (a-7).
24. The compound according to claim 12 , wherein Z is hydrogen.
25. The compound according to claim 1 , wherein p is 1 and n is 3.