CA2871126C - Methods for the synthesis of activated ethylfumarates and their use as intermediates - Google Patents
Methods for the synthesis of activated ethylfumarates and their use as intermediates Download PDFInfo
- Publication number
- CA2871126C CA2871126C CA2871126A CA2871126A CA2871126C CA 2871126 C CA2871126 C CA 2871126C CA 2871126 A CA2871126 A CA 2871126A CA 2871126 A CA2871126 A CA 2871126A CA 2871126 C CA2871126 C CA 2871126C
- Authority
- CA
- Canada
- Prior art keywords
- reaction
- activated
- diketopiperazine
- yield
- purity
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims abstract description 52
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 37
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 27
- SASYHUDIOGGZCN-ONEGZZNKSA-N (e)-2-ethylbut-2-enedioic acid Chemical class CC\C(C(O)=O)=C/C(O)=O SASYHUDIOGGZCN-ONEGZZNKSA-N 0.000 title claims description 4
- 239000000543 intermediate Substances 0.000 title abstract description 27
- 238000011065 in-situ storage Methods 0.000 claims abstract description 39
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 claims abstract description 26
- -1 for example Chemical compound 0.000 claims abstract description 14
- JVSFQJZRHXAUGT-UHFFFAOYSA-N 2,2-dimethylpropanoyl chloride Chemical compound CC(C)(C)C(Cl)=O JVSFQJZRHXAUGT-UHFFFAOYSA-N 0.000 claims abstract description 10
- WRJWRGBVPUUDLA-UHFFFAOYSA-N chlorosulfonyl isocyanate Chemical compound ClS(=O)(=O)N=C=O WRJWRGBVPUUDLA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001540 azides Chemical class 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 198
- 238000006243 chemical reaction Methods 0.000 claims description 97
- 239000011541 reaction mixture Substances 0.000 claims description 62
- 150000008064 anhydrides Chemical class 0.000 claims description 55
- 239000002904 solvent Substances 0.000 claims description 35
- BXRNXXXXHLBUKK-UHFFFAOYSA-N piperazine-2,5-dione Chemical compound O=C1CNC(=O)CN1 BXRNXXXXHLBUKK-UHFFFAOYSA-N 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 26
- XLYMOEINVGRTEX-ONEGZZNKSA-N (e)-4-ethoxy-4-oxobut-2-enoic acid Chemical class CCOC(=O)\C=C\C(O)=O XLYMOEINVGRTEX-ONEGZZNKSA-N 0.000 claims description 25
- 238000000746 purification Methods 0.000 claims description 19
- XLYMOEINVGRTEX-UHFFFAOYSA-N fumaric acid monoethyl ester Natural products CCOC(=O)C=CC(O)=O XLYMOEINVGRTEX-UHFFFAOYSA-N 0.000 claims description 16
- 238000007127 saponification reaction Methods 0.000 claims description 16
- 229940074369 monoethyl fumarate Drugs 0.000 claims description 14
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 9
- 239000012039 electrophile Substances 0.000 claims description 6
- 239000002516 radical scavenger Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 239000003495 polar organic solvent Substances 0.000 claims description 3
- 125000006239 protecting group Chemical group 0.000 claims description 2
- GADJHAUASPKMNU-ONEGZZNKSA-N (e)-2-ethylbut-2-enedioyl dichloride Chemical compound CC\C(C(Cl)=O)=C/C(Cl)=O GADJHAUASPKMNU-ONEGZZNKSA-N 0.000 claims 3
- 125000004494 ethyl ester group Chemical group 0.000 claims 1
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 claims 1
- YYLWXDIGYFPUSK-ONEGZZNKSA-N ethyl (e)-4-chloro-4-oxobut-2-enoate Chemical compound CCOC(=O)\C=C\C(Cl)=O YYLWXDIGYFPUSK-ONEGZZNKSA-N 0.000 abstract description 48
- 150000002148 esters Chemical class 0.000 abstract description 25
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003213 activating effect Effects 0.000 abstract description 3
- 239000000460 chlorine Substances 0.000 abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 abstract description 3
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 abstract description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical class OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 abstract 2
- 125000000636 p-nitrophenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)[N+]([O-])=O 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical class CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 75
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 68
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 49
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 48
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 46
- 239000000243 solution Substances 0.000 description 40
- 239000007787 solid Substances 0.000 description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 34
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 34
- 239000002585 base Substances 0.000 description 30
- 239000000126 substance Substances 0.000 description 28
- 238000005859 coupling reaction Methods 0.000 description 26
- 229910000029 sodium carbonate Inorganic materials 0.000 description 23
- 235000017550 sodium carbonate Nutrition 0.000 description 23
- 230000008878 coupling Effects 0.000 description 20
- 238000010168 coupling process Methods 0.000 description 20
- 230000035484 reaction time Effects 0.000 description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 229910052757 nitrogen Inorganic materials 0.000 description 17
- NESQAFFBXMMTPV-JXMROGBWSA-N CCOC(=O)C(=C\C(O)=O)\C1=CC=C([N+]([O-])=O)C=C1 Chemical compound CCOC(=O)C(=C\C(O)=O)\C1=CC=C([N+]([O-])=O)C=C1 NESQAFFBXMMTPV-JXMROGBWSA-N 0.000 description 16
- 238000001914 filtration Methods 0.000 description 16
- 239000003518 caustics Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 15
- 238000002360 preparation method Methods 0.000 description 15
- 239000013543 active substance Substances 0.000 description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 13
- 238000010511 deprotection reaction Methods 0.000 description 13
- 238000004128 high performance liquid chromatography Methods 0.000 description 13
- 239000000047 product Substances 0.000 description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 8
- 239000000546 pharmaceutical excipient Substances 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 125000004031 fumaroyl group Chemical group C(\C=C\C(=O)*)(=O)* 0.000 description 4
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
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- 229940124531 pharmaceutical excipient Drugs 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 102000004877 Insulin Human genes 0.000 description 2
- 108090001061 Insulin Proteins 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 125000004103 aminoalkyl group Chemical group 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000011260 co-administration Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- MUCZHBLJLSDCSD-UHFFFAOYSA-N diisopropyl fluorophosphate Chemical compound CC(C)OP(F)(=O)OC(C)C MUCZHBLJLSDCSD-UHFFFAOYSA-N 0.000 description 2
- 238000007306 functionalization reaction Methods 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229940125396 insulin Drugs 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002831 pharmacologic agent Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- JFOIBTLTZWOAIC-UHFFFAOYSA-N (4-nitrophenyl) 2,2,2-trifluoroacetate Chemical compound [O-][N+](=O)C1=CC=C(OC(=O)C(F)(F)F)C=C1 JFOIBTLTZWOAIC-UHFFFAOYSA-N 0.000 description 1
- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 description 1
- 108010039627 Aprotinin Proteins 0.000 description 1
- SBQYGZZMZQWZOM-AATRIKPKSA-N CCC1=CC([N+]([O-])=O)=CC=C1OC(=O)\C=C\C(O)=O Chemical group CCC1=CC([N+]([O-])=O)=CC=C1OC(=O)\C=C\C(O)=O SBQYGZZMZQWZOM-AATRIKPKSA-N 0.000 description 1
- LFMBYRQONDPVAU-ONEGZZNKSA-N CC\C(C(O)=O)=C(/C(O)=O)C(=O)C(F)(F)F Chemical group CC\C(C(O)=O)=C(/C(O)=O)C(=O)C(F)(F)F LFMBYRQONDPVAU-ONEGZZNKSA-N 0.000 description 1
- 101100378101 Caenorhabditis briggsae ace-4 gene Proteins 0.000 description 1
- 102000055006 Calcitonin Human genes 0.000 description 1
- 108060001064 Calcitonin Proteins 0.000 description 1
- 229920002683 Glycosaminoglycan Polymers 0.000 description 1
- 229920001499 Heparinoid Polymers 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 241000738583 Senna artemisioides Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- SORGEQQSQGNZFI-UHFFFAOYSA-N [azido(phenoxy)phosphoryl]oxybenzene Chemical compound C=1C=CC=CC=1OP(=O)(N=[N+]=[N-])OC1=CC=CC=C1 SORGEQQSQGNZFI-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
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- 239000008346 aqueous phase Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 238000006664 bond formation reaction Methods 0.000 description 1
- BBBFJLBPOGFECG-VJVYQDLKSA-N calcitonin Chemical compound N([C@H](C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)NCC(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)N1[C@@H](CCC1)C(N)=O)C(C)C)C(=O)[C@@H]1CSSC[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(=O)N1 BBBFJLBPOGFECG-VJVYQDLKSA-N 0.000 description 1
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- 102000038379 digestive enzymes Human genes 0.000 description 1
- 108091007734 digestive enzymes Proteins 0.000 description 1
- MKRTXPORKIRPDG-UHFFFAOYSA-N diphenylphosphoryl azide Chemical compound C=1C=CC=CC=1P(=O)(N=[N+]=[N-])C1=CC=CC=C1 MKRTXPORKIRPDG-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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- 150000002237 fumaric acid derivatives Chemical class 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
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- 150000002632 lipids Chemical class 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
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- 210000004072 lung Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000012038 nucleophile Substances 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- QIQCZROILFZKAT-UHFFFAOYSA-N tetracarbon dioxide Chemical group O=C=C=C=C=O QIQCZROILFZKAT-UHFFFAOYSA-N 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
- C07D241/08—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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| US201261639536P | 2012-04-27 | 2012-04-27 | |
| US61/639,536 | 2012-04-27 | ||
| PCT/US2013/032162 WO2013162764A1 (en) | 2012-04-27 | 2013-03-15 | Methods for the synthesis of ethylfumarates and their use as intermediates |
Publications (2)
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| CA2871126A1 CA2871126A1 (en) | 2013-10-31 |
| CA2871126C true CA2871126C (en) | 2020-07-14 |
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| CA2871126A Active CA2871126C (en) | 2012-04-27 | 2013-03-15 | Methods for the synthesis of activated ethylfumarates and their use as intermediates |
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| SG (1) | SG11201406970QA (forum.php) |
| WO (1) | WO2013162764A1 (forum.php) |
| ZA (1) | ZA201408429B (forum.php) |
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| US9006175B2 (en) | 1999-06-29 | 2015-04-14 | Mannkind Corporation | Potentiation of glucose elimination |
| WO2003080149A2 (en) | 2002-03-20 | 2003-10-02 | Mannkind Corporation | Inhalation apparatus |
| MX2007001903A (es) | 2004-08-20 | 2007-08-02 | Mannkind Corp | Catalisis de sintesis de dicetopiperazina. |
| PL2322180T3 (pl) | 2004-08-23 | 2015-10-30 | Mannkind Corp | Sole diketopiperazyny do dostarczania leków |
| BRPI0615819B8 (pt) | 2005-09-14 | 2021-05-25 | Mannkind Corp | processo para preparar uma composição de distribuição de fármaco compreendendo um agente ativo e uma micropartícula fumaril dicetopiperazina cristalina. |
| MX360812B (es) | 2006-02-22 | 2018-11-16 | Mannkind Corp | Un método para mejorar las propiedades farmacéuticas de micropartículas que contienen dicetopiperazina y un agente activo. |
| US8485180B2 (en) | 2008-06-13 | 2013-07-16 | Mannkind Corporation | Dry powder drug delivery system |
| CA3086027C (en) | 2008-06-13 | 2022-05-17 | Mannkind Corporation | A dry powder inhaler and system for drug delivery |
| JP5479465B2 (ja) | 2008-06-20 | 2014-04-23 | マンカインド コーポレイション | 吸入努力をリアルタイムにプロファイルする対話式機器および方法 |
| TWI532497B (zh) | 2008-08-11 | 2016-05-11 | 曼凱公司 | 超快起作用胰島素之用途 |
| US8314106B2 (en) | 2008-12-29 | 2012-11-20 | Mannkind Corporation | Substituted diketopiperazine analogs for use as drug delivery agents |
| MX2011009512A (es) | 2009-03-11 | 2011-11-29 | Mannkind Corp | Aparato, sistema y metodo para medir la resistencia de un inhalador. |
| KR20210027546A (ko) | 2009-06-12 | 2021-03-10 | 맨카인드 코포레이션 | 한정된 비표면적을 갖는 디케토피페라진 마이크로입자 |
| CA2778698A1 (en) | 2009-11-03 | 2011-05-12 | Mannkind Corporation | An apparatus and method for simulating inhalation efforts |
| JP6385673B2 (ja) | 2010-06-21 | 2018-09-05 | マンカインド コーポレイション | 乾燥粉末薬物送達システム |
| RU2569776C2 (ru) | 2011-04-01 | 2015-11-27 | Маннкайнд Корпорейшн | Блистерная упаковка для фармацевтических картриджей |
| WO2012174472A1 (en) | 2011-06-17 | 2012-12-20 | Mannkind Corporation | High capacity diketopiperazine microparticles |
| US9233159B2 (en) | 2011-10-24 | 2016-01-12 | Mannkind Corporation | Methods and compositions for treating pain |
| JP6241682B2 (ja) * | 2012-04-27 | 2017-12-06 | マンカインド・コーポレイシヨン | 活性化したエチルフマレートの合成のための方法および中間体としてのその使用 |
| CN104619369B (zh) | 2012-07-12 | 2018-01-30 | 曼金德公司 | 干粉药物输送系统和方法 |
| WO2014066856A1 (en) | 2012-10-26 | 2014-05-01 | Mannkind Corporation | Inhalable influenza vaccine compositions and methods |
| MX369136B (es) | 2013-03-15 | 2019-10-30 | Mannkind Corp | Composiciones de dicetopiperazina microcristalina y metodos. |
| MX375448B (es) | 2013-07-18 | 2025-03-06 | Mannkind Corp | Composiciones farmacéuticas en polvo seco estables al calor y métodos. |
| EP3030294B1 (en) | 2013-08-05 | 2020-10-07 | MannKind Corporation | Insufflation apparatus |
| US10307464B2 (en) | 2014-03-28 | 2019-06-04 | Mannkind Corporation | Use of ultrarapid acting insulin |
| US10561806B2 (en) | 2014-10-02 | 2020-02-18 | Mannkind Corporation | Mouthpiece cover for an inhaler |
| CN115894270B (zh) * | 2022-10-10 | 2024-09-06 | 深圳市迪克曼生物科技有限公司 | 一种神经酰胺及其制备方法和应用 |
| CN117646042B (zh) * | 2023-11-13 | 2025-04-11 | 浙江工业大学 | 一种富马酸单酯的制备方法 |
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| US3407203A (en) | 1965-03-22 | 1968-10-22 | Union Carbide Corp | Novel process for the preparation of diketopiperazines |
| US5352461A (en) * | 1992-03-11 | 1994-10-04 | Pharmaceutical Discovery Corporation | Self assembling diketopiperazine drug delivery system |
| DE10019879A1 (de) | 2000-04-20 | 2001-10-25 | Degussa | Verfahren zur Herstellung von 2,5-Diketopiperazinen, neue 2,5-Diketopiperazine und deren Verwendung |
| MX2007001903A (es) | 2004-08-20 | 2007-08-02 | Mannkind Corp | Catalisis de sintesis de dicetopiperazina. |
| PL2322180T3 (pl) | 2004-08-23 | 2015-10-30 | Mannkind Corp | Sole diketopiperazyny do dostarczania leków |
| MX360812B (es) * | 2006-02-22 | 2018-11-16 | Mannkind Corp | Un método para mejorar las propiedades farmacéuticas de micropartículas que contienen dicetopiperazina y un agente activo. |
| US8314106B2 (en) * | 2008-12-29 | 2012-11-20 | Mannkind Corporation | Substituted diketopiperazine analogs for use as drug delivery agents |
| CA2748490C (en) * | 2008-12-29 | 2016-10-04 | Mannkind Corporation | Substituted diketopiperazine analogs for use as drug delivery agents |
| US8809382B2 (en) * | 2009-05-04 | 2014-08-19 | The Royal Institution For The Advancement Of Learning/Mcgill University | 5-oxo-ETE receptor antagonist compounds |
| CN101851213A (zh) * | 2010-06-21 | 2010-10-06 | 于清 | 3，6-双(4-双反丁烯二酰基氨丁基)-2，5-二酮哌嗪及其盐取代物的合成方法 |
| MX346331B (es) | 2011-02-10 | 2017-03-15 | Mannkind Corp | Formación de bis-3, 6-(4-aminoalquil) - 2, 5-dicetopiperazina con n protegido. |
| JP6241682B2 (ja) * | 2012-04-27 | 2017-12-06 | マンカインド・コーポレイシヨン | 活性化したエチルフマレートの合成のための方法および中間体としてのその使用 |
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2013
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- 2013-03-15 WO PCT/US2013/032162 patent/WO2013162764A1/en not_active Ceased
- 2013-03-15 BR BR112014026809A patent/BR112014026809A2/pt not_active Application Discontinuation
- 2013-03-15 RU RU2014143116A patent/RU2014143116A/ru not_active Application Discontinuation
- 2013-03-15 KR KR20147033484A patent/KR20150023315A/ko not_active Withdrawn
- 2013-03-15 CN CN201380033409.7A patent/CN104797563B/zh active Active
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