WO2017062500A2 - Activators of autophagic flux and phospholipase d and clearance of protein aggregates including tau and treatment of proteinopathies - Google Patents
Activators of autophagic flux and phospholipase d and clearance of protein aggregates including tau and treatment of proteinopathies Download PDFInfo
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- WO2017062500A2 WO2017062500A2 PCT/US2016/055561 US2016055561W WO2017062500A2 WO 2017062500 A2 WO2017062500 A2 WO 2017062500A2 US 2016055561 W US2016055561 W US 2016055561W WO 2017062500 A2 WO2017062500 A2 WO 2017062500A2
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- 0 *c1ncnc2c1cncc2 Chemical compound *c1ncnc2c1cncc2 0.000 description 2
- FISQTALQBPJSNS-UHFFFAOYSA-N C(CC=CC1)C1Sc1c2[s]ccc2ncn1 Chemical compound C(CC=CC1)C1Sc1c2[s]ccc2ncn1 FISQTALQBPJSNS-UHFFFAOYSA-N 0.000 description 1
- MQPFPOLZYQCCMG-UHFFFAOYSA-N C(COCC1)C1Sc1c2[s]ccc2ncn1 Chemical compound C(COCC1)C1Sc1c2[s]ccc2ncn1 MQPFPOLZYQCCMG-UHFFFAOYSA-N 0.000 description 1
- KFYDKCJNYSTKJU-UHFFFAOYSA-N CN(C1c([s]cc2)c2N=C)C1Sc1nnn[n]1C Chemical compound CN(C1c([s]cc2)c2N=C)C1Sc1nnn[n]1C KFYDKCJNYSTKJU-UHFFFAOYSA-N 0.000 description 1
- GPNGRPFQFSZLKI-UHFFFAOYSA-N C[n]1c(Sc2c3[s]ccc3ncn2)nnc1 Chemical compound C[n]1c(Sc2c3[s]ccc3ncn2)nnc1 GPNGRPFQFSZLKI-UHFFFAOYSA-N 0.000 description 1
- MZQYEXKXFXQJMD-UHFFFAOYSA-N Oc1ccc(CCNc2c(cc(cc3)Cl)c3ncn2)cc1 Chemical compound Oc1ccc(CCNc2c(cc(cc3)Cl)c3ncn2)cc1 MZQYEXKXFXQJMD-UHFFFAOYSA-N 0.000 description 1
- KCWZFJWIHMHITR-UHFFFAOYSA-N c(c1ncn2)c[s]c1c2Sc1nnn[nH]1 Chemical compound c(c1ncn2)c[s]c1c2Sc1nnn[nH]1 KCWZFJWIHMHITR-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/517—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
- C07D217/22—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/86—Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/86—Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
- C07D239/88—Oxygen atoms
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/86—Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
- C07D239/93—Sulfur atoms
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/86—Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
- C07D239/94—Nitrogen atoms
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
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- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
- C07D491/044—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring
- C07D491/048—Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
Definitions
- the present disclosure relates to compounds which are activators of autophagic flux and pharmaceutical compositions comprising said compounds. It further relates to use of said compounds in the treatment of neurodegenerative diseases, particularly Alzheimer's disease.
- AD Alzheimer's disease
- AD Alzheimer's disease
- tau the other major neuropathological component of AD.
- AD accounts for most of the dementias afflicting individuals over 65 and is estimated to cost $226 billion in healthcare, long-term care, and hospice for people with AD and other dementias annually. This extensive economic and societal burden does not account for lost income of many at-home primary caregivers including spouses and other family members.
- a pharmaceutical composition comprising a compound disclosed herein or a pharmaceutically acceptable salt thereof.
- methods of making the compounds and pharmaceutical compositions are also provided in, e.g., the Examples provided below.
- a method of treating a neurodegenerative disease comprising administering to a subject in need thereof an effective amount of a compound or pharmaceutical composition disclosed herein is provided.
- a method of enhancing autophagic flux comprises providing to a cell or a protein aggregate an effective amount of a compound or pharmaceutical composition disclosed herein.
- FIG. 1 is a graph showing a photodiode array (PDA) spectrum of WHYKD8 in mouse brain.
- FIG. 2 shows Western blots of LC3-II levels in primary cortical neurons following a 6 hour treatment with WHYKD 1 ( ⁇ BafA1 ) or WHYKD5.
- FIG. 3 shows Western blots of LC3-II, tau, and p62 levels in organotypic slice cultures following a 6 hour treatment with WHYKD 1 (top) or WHYKD3, WHYKD5, WHYKD8, WHYKD9, or WHYKD12 (bottom).
- FIG. 4 is a bar graph showing the activation of phospholipase D (PLD) by the WHYKD series compounds (10 ⁇ ), and their ability to convert phospholipids to phosphatidylethanols in the presence of ethanol.
- C Control
- 12 WHYKD12
- 15 WHYKD
- 19 WHYKD 19
- 5 WHYKD5
- 8 WHYKD8
- Fipi a noncompetitive inhibitor of PLD activity.
- FIG. 5 is a bar graph showing the activation of phospholipase D (PLD) by the WHYKD series compounds (1 ⁇ ), and their ability to convert phospholipids to phosphatidylethanols in the presence of ethanol.
- PLD phospholipase D
- PLD1 The localization of PLD1 , as well as the starvation-induced increase in PLD activity, are altered by wortmannin, a phosphatidylinositol 3-kinase inhibitor, suggesting PLD1 may act downstream of Vps34.
- Pharmacological inhibition of PLD and genetic ablation of PLD1 in mouse cells decreased the starvation-induced expansion of LC3-positive compartments, consistent with a role of PLD1 in the regulation of autophagy.
- inhibition of PLD results in higher levels of tau and p62 aggregates in organotypic brain slices.
- Y 1 and Y 2 are independently selected from the group consisting of CH and N;
- X is selected from the group consisting of H, halide, and aryl
- R 1 is selected from the group consisting of optionally substituted thioheteroaryl, hydroxyl-substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- the compound is:
- the compound is:
- Y 1 is CH
- R 1 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected
- R 1 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- R 1 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- R 1 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- R 1 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- R 1 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- Y 3 is CH or N
- R 2 is optionally substituted (2-aminoethyl)aryl
- the compound is selected from the group consisting of:
- Y 3 is CH
- R 2 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- R 2 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- Y is CH or N
- R is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- R 2 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- R 2 is selected from the group consisting of optionally substituted thioheteroaryl, optionally substituted (2-aminoethyl)aryl, halide, optionally substituted thiocycloalkyi wherein 1 -3 carbon atoms of the cycloalkyi is optionally replaced with a heteroatom selected from the group consisting of O, S and N, and thioaryl, or a salt, enantiomer, racemate, mixture thereof, or combination thereof.
- the compound is selected from the group consisting of:
- X is H or halide
- Z 1 is O
- R 4 is selected from the group consisting of H, optionally substituted alkyl, Et, CF 3 , optionally substituted cycloalkyl, optionally substituted aryl, optionally
- the compound is selected from the group consisting of:
- a pharmaceutical composition comprising a compound disclosed herein or a pharmaceutically acceptable salt thereof.
- a method of treating a neurodegenerative disease comprising administering to a subject in need thereof an effective amount of a compound or pharmaceutical composition disclosed herein is provided.
- the neurodegenerative disease is a proteinopathy.
- Proteinopathies include, but are not limited to, Parkinson's disease, Alzheimer's disease, Amyotrophic Lateral Sclerosis (ALS), Huntington's disease, chronic traumatic encephalopathy (CTE), frontotemporal dementia (FTD), inclusion body myopathy (IBM), Paget's disease of bone (PDB), cerebral ⁇ -amyloid angiopathy, prion diseases, familial dementia, CADASIL, amyloidosis, Alexander disease, seipinopathies, type II diabetes, pulmonary alveolar proteinosis, cataracts, cystic fibrosis and sickle cell disease.
- Parkinson's disease Alzheimer's disease, Amyotrophic Lateral Sclerosis (ALS), Huntington's disease, chronic traumatic encephalopathy (CTE), frontotemporal dementia (FTD), inclusion body myopathy (IBM
- the proteinopathy is a tauopathy.
- Tauopothies include but are not limited to, Alzheimer's disease, Parkinson's disease, Huntington's disease, progressive supranuclear palsy, chronic traumatic encephalopathy (CTE), frontotemporal dementia (FTD), Lytico- Bodig disease, subacute sclerosing panencephalitis, ganglioglioma, gangliocytoma, and argyrophilic grain disease.
- the neurodegenerative disease is Alzheimer's disease.
- a method of enhancing autophagic flux comprises providing to a cell or a protein aggregate an effective amount of a compound or pharmaceutical composition disclosed herein.
- Example 1 The following examples are provided to further illustrate certain aspects of the present invention. These examples are illustrative only and are not intended to limit the scope of the invention in any way.
- Example 1
- X H, F, CI, Br, I, CH 3 , CF 3
- R 1 H, alkyl, cycloalkyl, aryl, heteroaryl
- Scheme 2 shows preparation of 1 -chloro-7-fluoroisoquinoline.
- R 1 ⁇ , alkyl, cycloalkyi, aryl, heteroaryl
- R 1 H, alkyl, cycloalkyi, aryl, heteroaryl
- R 1 H, alkyl, cycloalkyi, aryl, heteroaryl
- R 1 H, alkyl, cycloalkyl, aryl, heteroaryl
- the WHYKD series of compounds were synthesized for optimal brain penetrance based on the molecular weight (MW) and partition coefficient (log P), according to Lipinski's Rule for CNS penetrance: MW ⁇ 400, log P ⁇ 5.
- Table 7 Modifications to the core and side chain (Series 3)
- Table 8 Modifications to the core and side chain (Series 4)
- Table 9 Modifications to the core and side chain (Series 5)
- Table 10 Modifications to the core and side chain (Series 6)
- Table 1 1 Modifications to the core and side chain (Series 7)
- Table 12 Modifications to the core and side chain (Series 8)
- a photodiode array was used to detect WHYKD8 in mouse brain (FIG. 1 ). The sample was readily detected with a discrete peak based on time (left) and with a measurable area under the curve (AUC) (inset).
- LC3-II levels were measured in primary cortical neurons following 6 hours of treatment with WHYKD1 , WHYKD5, or WHYKD1 + BafA1 (FIG. 2). The presence of LC3-II is an indication of autophagy.
- LC3-II levels were then measured in organotypic slice cultures following 6 hours of treatment with WHYKD1 (FIG. 3, top panel). Other compounds in the WHYKD series produced similar results (FIG. 3, bottom panel).
- RFP is a tag on the tau protein and also can be probed.
- PLD activation converts phospholipids to phosphatidylethanols in the presence of ethanol. This conversion was measured to show that the WHYKD series of compounds activate PLD at 10 ⁇ concentration (FIG. 4) and at 1 ⁇ (FIG. 5).
- FIPI is a non-competitive inhibitor of PLD activity and was used as a negative control.
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Priority Applications (27)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3000988A CA3000988A1 (en) | 2015-10-05 | 2016-10-05 | Activators of autophagic flux and phospholipase d and clearance of protein aggregates including tau and treatment of proteinopathies |
| CN201680062131.XA CN108473435A (zh) | 2015-10-05 | 2016-10-05 | 自噬潮和磷脂酶d的活化剂以及包括tau的蛋白聚集体的清除和蛋白质病的治疗 |
| MX2018004109A MX2018004109A (es) | 2015-10-05 | 2016-10-05 | Activadores de flujo autofágico y fosfolipasa d y depuración de acumulaciones de proteína que incluyen tau y tratamiento de proteinopatías. |
| EP16854245.4A EP3359526A4 (en) | 2015-10-05 | 2016-10-05 | ACTIVATORS OF AUTOPHAGIC RIVER AND PHOSPHOLIPASE D AND PURIFICATION OF PROTEIN AGGREGATES INCLUDING TAU AND TREATMENT OF PROTEINOPATHIES |
| KR1020187012344A KR20180086187A (ko) | 2015-10-05 | 2016-10-05 | 자가포식 유동의 활성체 및 포스포리파제 d 및 타우를 포함하는 단백질 응집물의 클리어런스 및 단백질질환의 치료 |
| US15/765,801 US20190112317A1 (en) | 2015-10-05 | 2016-10-05 | Activators of autophagic flux and phospholipase d and clearance of protein aggregates including tau and treatment of proteinopathies |
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| WO2023081858A1 (en) * | 2021-11-04 | 2023-05-11 | Skyhawk Therapeutics, Inc. | Condensed-pyrazine amine derivatives for treating sca3 |
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| CN116600815A (zh) | 2020-09-17 | 2023-08-15 | 株式会社力森诺科 | 自噬激活剂 |
| WO2022059775A1 (ja) | 2020-09-17 | 2022-03-24 | 昭和電工株式会社 | オートファジー活性化剤 |
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| WO2018067589A1 (en) * | 2015-10-05 | 2018-04-12 | The Trustees Of Columbia University In The City Of New York | Activators of autophagic flux and phospholipase d and clearance of protein aggregates including tau and treatment of proteinopathies |
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