Substituted fullerenes and their use as inhibitors of cell death
First Claim
Patent Images
1. A method of inhibiting cell death, comprising:
- administering to a mammal an effective amount of a composition comprising a substituted fullerene, wherein the substituted fullerene comprises a fullerene core (Cn), wherein n is an even integer greater than or equal to 60, and at least one of i-iv;
(i) m (>
CX1X2) groups bonded to the fullerene core, wherein;
(i-a) m is an integer from 1 to 6, inclusive, (i-b) each X1 and X2 is independently selected from —
H;
—
COOH;
—
CONH2;
—
CONHR′
;
—
CONR′
2;
—
COOR′
;
—
CHO;
—
(CH2)dOR11;
a peptidyl moiety;
—
R;
—
RCOOH;
—
RCONH2;
—
RCONHR′
;
—
RCONR′
2;
—
RCOOR′
;
—
RCHO;
—
R(CH2)dOR11;
a heterocyclic moiety;
a branched moiety comprising one or more terminal —
OH, —
NH2, triazole, tetrazole, or sugar groups;
or a salt thereof, wherein each R is a hydrocarbon moiety having from 1 to about 6 carbon atoms and each R′
is independently a hydrocarbon moiety having from 1 to about 6 carbon atoms, an aryl-containing moiety having from 6 to about 18 carbon atoms, a hydrocarbon moiety having from 1 to about 6 carbon atoms and a terminal carboxylic acid or alcohol, or an aryl-containing moiety having from 6 to about 18 carbon atoms and a terminal carboxylic acid or alcohol, and d is an integer from 0 to about 20, and each R11 is independently —
H, a charged moiety, or a polar moiety;
(ii) p -X3 groups bonded to the fullerene core, wherein;
(ii-a) p is an integer from 1 to 18, inclusive; and
(ii-b) each -X3 is independently selected from —
N+(R2)(R3)(R4), wherein R2, R3, and R4 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20;
—
N+(R2)(R3)(R8), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, and each R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO−
, wherein f is an integer from 1 to about 20;
—
C(R5)(R6)(R7), wherein R5, R6, and R7 are independently —
COOH, —
H, —
CH(═
O), —
CH2OH, or a peptidyl moiety;
wherein each R10 is independently >
O, >
C(R2)(R3), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, >
CHN+(R2)(R3)(R4), wherein R2, R3, and R4 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, or >
CHN+(R2)(R3)(R8), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, and each R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO—
, wherein f is an integer from 1 to about 20;
—
C(R2)(R3)(R8), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, and each R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO−
, wherein f is an integer from 1 to about 20;
—
(CH2)e—
COOH, —
(CH2)e—
CONH2, —
(CH2)e—
COOR′
, wherein e is an integer from 1 to about 6 and each R′
is independently a hydrocarbon moiety having from 1 to about 6 carbon atoms, an aryl-containing moiety having from 6 to about 18 carbon atoms, a hydrocarbon moiety having from 1 to about 6 carbon atoms and a terminal carboxylic acid or alcohol, or an aryl-containing moiety having from 6 to about 18 carbon atoms and a terminal carboxylic acid or alcohol;
a peptidyl moiety;
or an aromatic heterocyclic moiety containing a cationic nitrogen;
(iii) q -X4- groups bonded to the fullerene core, wherein (iii-a) q is an integer from 1 to 6, inclusive; and
(iii-b) each -X4- group is independently
wherein R2 is independently —
H or —
(CH2)d—
CH3, d is an integer from 0 to about 20, and R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO−
, and f is an integer from 1 to about 20;
wherein each R2 and R3 is independently —
H or —
(CH2)d—
CH3 and d is an integer from 0 to about 20;
wherein each R2 is independently —
H or —
(CH2)d—
CH3, d is an integer from 0 to about 20, and each R9 is independently —
H, —
OH, —
OR′
, —
NH2, —
NHR′
, —
NHR′
2, or —
(CH2)dOH, wherein each R′
is independently a hydrocarbon moiety having from 1 to about 6 carbon atoms, an aryl-containing moiety having from 6 to about 18 carbon atoms, a hydrocarbon moiety having from 1 to about 6 carbon atoms and a terminal carboxylic acid or alcohol, or an aryl-containing moiety having from 6 to about 18 carbon atoms and a terminal carboxylic acid or alcohol. (iv) r dendrons bonded to the fullerene core and s nondendrons bonded to the fullerene core, wherein;
(iv-a) r is an integer from 1 to 6, inclusive;
(iv-b) s is an integer from 0 to 18, inclusive;
(iv-b) each dendron has at least one protic group which imparts water solubility, and (iv-d) each nondendron independently comprises at least one drug, amino acid, peptide, nucleotide, vitamin, or organic moiety, wherein the cell death is induced by a non-free-radical agent.
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Accused Products
Abstract
This patent discloses the use of water-soluble substituted fullerenes as inhibitors of cell death. The substituted fullerenes comprise a fullerene core (Cn) and at least one of: (i) from 1 to 6 (>CX1X2) groups bonded to the fullerene core; (ii) from 1 to 18 -X3 groups bonded to the fullerene core; (iii) from 1 to 6 -X4- groups bonded to the fullerene core; or (iv) from 1 to 6 dendrons bonded to the fullerene core.
22 Citations
9 Claims
-
1. A method of inhibiting cell death, comprising:
-
administering to a mammal an effective amount of a composition comprising a substituted fullerene, wherein the substituted fullerene comprises a fullerene core (Cn), wherein n is an even integer greater than or equal to 60, and at least one of i-iv;
(i) m (>
CX1X2) groups bonded to the fullerene core, wherein;
(i-a) m is an integer from 1 to 6, inclusive, (i-b) each X1 and X2 is independently selected from —
H;
—
COOH;
—
CONH2;
—
CONHR′
;
—
CONR′
2;
—
COOR′
;
—
CHO;
—
(CH2)dOR11;
a peptidyl moiety;
—
R;
—
RCOOH;
—
RCONH2;
—
RCONHR′
;
—
RCONR′
2;
—
RCOOR′
;
—
RCHO;
—
R(CH2)dOR11;
a heterocyclic moiety;
a branched moiety comprising one or more terminal —
OH, —
NH2, triazole, tetrazole, or sugar groups;
or a salt thereof, wherein each R is a hydrocarbon moiety having from 1 to about 6 carbon atoms and each R′
is independently a hydrocarbon moiety having from 1 to about 6 carbon atoms, an aryl-containing moiety having from 6 to about 18 carbon atoms, a hydrocarbon moiety having from 1 to about 6 carbon atoms and a terminal carboxylic acid or alcohol, or an aryl-containing moiety having from 6 to about 18 carbon atoms and a terminal carboxylic acid or alcohol, and d is an integer from 0 to about 20, and each R11 is independently —
H, a charged moiety, or a polar moiety;
(ii) p -X3 groups bonded to the fullerene core, wherein;
(ii-a) p is an integer from 1 to 18, inclusive; and
(ii-b) each -X3 is independently selected from —
N+(R2)(R3)(R4), wherein R2, R3, and R4 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20;
—
N+(R2)(R3)(R8), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, and each R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO−
, wherein f is an integer from 1 to about 20;
—
C(R5)(R6)(R7), wherein R5, R6, and R7 are independently —
COOH, —
H, —
CH(═
O), —
CH2OH, or a peptidyl moiety;
wherein each R10 is independently >
O, >
C(R2)(R3), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, >
CHN+(R2)(R3)(R4), wherein R2, R3, and R4 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, or >
CHN+(R2)(R3)(R8), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, and each R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO—
, wherein f is an integer from 1 to about 20;
—
C(R2)(R3)(R8), wherein R2 and R3 are independently —
H or —
(CH2)d—
CH3, wherein d is an integer from 0 to about 20, and each R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO−
, wherein f is an integer from 1 to about 20;
—
(CH2)e—
COOH, —
(CH2)e—
CONH2, —
(CH2)e—
COOR′
, wherein e is an integer from 1 to about 6 and each R′
is independently a hydrocarbon moiety having from 1 to about 6 carbon atoms, an aryl-containing moiety having from 6 to about 18 carbon atoms, a hydrocarbon moiety having from 1 to about 6 carbon atoms and a terminal carboxylic acid or alcohol, or an aryl-containing moiety having from 6 to about 18 carbon atoms and a terminal carboxylic acid or alcohol;
a peptidyl moiety;
or an aromatic heterocyclic moiety containing a cationic nitrogen;
(iii) q -X4- groups bonded to the fullerene core, wherein (iii-a) q is an integer from 1 to 6, inclusive; and
(iii-b) each -X4- group is independently
wherein R2 is independently —
H or —
(CH2)d—
CH3, d is an integer from 0 to about 20, and R8 is independently —
(CH2)f—
SO3−
, —
(CH2)f—
PO4−
, or —
(CH2)f—
COO−
, and f is an integer from 1 to about 20;
wherein each R2 and R3 is independently —
H or —
(CH2)d—
CH3 and d is an integer from 0 to about 20;
wherein each R2 is independently —
H or —
(CH2)d—
CH3, d is an integer from 0 to about 20, and each R9 is independently —
H, —
OH, —
OR′
, —
NH2, —
NHR′
, —
NHR′
2, or —
(CH2)dOH, wherein each R′
is independently a hydrocarbon moiety having from 1 to about 6 carbon atoms, an aryl-containing moiety having from 6 to about 18 carbon atoms, a hydrocarbon moiety having from 1 to about 6 carbon atoms and a terminal carboxylic acid or alcohol, or an aryl-containing moiety having from 6 to about 18 carbon atoms and a terminal carboxylic acid or alcohol.(iv) r dendrons bonded to the fullerene core and s nondendrons bonded to the fullerene core, wherein;
(iv-a) r is an integer from 1 to 6, inclusive;
(iv-b) s is an integer from 0 to 18, inclusive;
(iv-b) each dendron has at least one protic group which imparts water solubility, and (iv-d) each nondendron independently comprises at least one drug, amino acid, peptide, nucleotide, vitamin, or organic moiety, wherein the cell death is induced by a non-free-radical agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
Specification