WO2024022167A1 - 喜树碱衍生物及其制备方法和应用 - Google Patents
喜树碱衍生物及其制备方法和应用 Download PDFInfo
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- WO2024022167A1 WO2024022167A1 PCT/CN2023/107935 CN2023107935W WO2024022167A1 WO 2024022167 A1 WO2024022167 A1 WO 2024022167A1 CN 2023107935 W CN2023107935 W CN 2023107935W WO 2024022167 A1 WO2024022167 A1 WO 2024022167A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hydroxyl
- methyl
- alkyl
- group
- hydroxycamptothecin
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 49
- VSJKWCGYPAHWDS-FQEVSTJZSA-N camptothecin Chemical class C1=CC=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)[C@]5(O)CC)C4=NC2=C1 VSJKWCGYPAHWDS-FQEVSTJZSA-N 0.000 title description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 134
- -1 camptothecin derivative compound Chemical class 0.000 claims abstract description 124
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- 239000000651 prodrug Substances 0.000 claims abstract description 17
- 229940002612 prodrug Drugs 0.000 claims abstract description 17
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 71
- VSJKWCGYPAHWDS-UHFFFAOYSA-N dl-camptothecin Natural products C1=CC=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)C5(O)CC)C4=NC2=C1 VSJKWCGYPAHWDS-UHFFFAOYSA-N 0.000 claims description 49
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 44
- HAWSQZCWOQZXHI-UHFFFAOYSA-N CPT-OH Natural products C1=C(O)C=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)C5(O)CC)C4=NC2=C1 HAWSQZCWOQZXHI-UHFFFAOYSA-N 0.000 claims description 41
- 125000001424 substituent group Chemical group 0.000 claims description 41
- HAWSQZCWOQZXHI-FQEVSTJZSA-N 10-Hydroxycamptothecin Chemical compound C1=C(O)C=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)[C@]5(O)CC)C4=NC2=C1 HAWSQZCWOQZXHI-FQEVSTJZSA-N 0.000 claims description 40
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 35
- 229920002866 paraformaldehyde Polymers 0.000 claims description 35
- 125000004432 carbon atom Chemical group C* 0.000 claims description 32
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 30
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 claims description 29
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 21
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 claims description 20
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 17
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 16
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 14
- 206010028980 Neoplasm Diseases 0.000 claims description 13
- 150000002431 hydrogen Chemical class 0.000 claims description 13
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 13
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- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 12
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 12
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- 201000011510 cancer Diseases 0.000 claims description 12
- 229910052736 halogen Inorganic materials 0.000 claims description 12
- 150000002367 halogens Chemical class 0.000 claims description 12
- 229920006395 saturated elastomer Polymers 0.000 claims description 12
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 claims description 12
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 11
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- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 6
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- 238000003756 stirring Methods 0.000 description 29
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- MVPICKVDHDWCJQ-UHFFFAOYSA-N ethyl 3-pyrrolidin-1-ylpropanoate Chemical compound CCOC(=O)CCN1CCCC1 MVPICKVDHDWCJQ-UHFFFAOYSA-N 0.000 description 1
- FAMRKDQNMBBFBR-UHFFFAOYSA-N ethyl n-ethoxycarbonyliminocarbamate Chemical compound CCOC(=O)N=NC(=O)OCC FAMRKDQNMBBFBR-UHFFFAOYSA-N 0.000 description 1
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012894 fetal calf serum Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 229940049654 glyceryl behenate Drugs 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 150000002373 hemiacetals Chemical class 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229940071870 hydroiodic acid Drugs 0.000 description 1
- ZTUJDPKOHPKRMO-UHFFFAOYSA-N hydron;2,2,2-trifluoroethanamine;chloride Chemical compound Cl.NCC(F)(F)F ZTUJDPKOHPKRMO-UHFFFAOYSA-N 0.000 description 1
- USZLCYNVCCDPLQ-UHFFFAOYSA-N hydron;n-methoxymethanamine;chloride Chemical compound Cl.CNOC USZLCYNVCCDPLQ-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- SRJOCJYGOFTFLH-UHFFFAOYSA-N isonipecotic acid Chemical compound OC(=O)C1CCNCC1 SRJOCJYGOFTFLH-UHFFFAOYSA-N 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- ZPJZSEHCMJYUPI-UHFFFAOYSA-N methyl piperazine-1-carboxylate Chemical compound COC(=O)N1CCNCC1 ZPJZSEHCMJYUPI-UHFFFAOYSA-N 0.000 description 1
- RZVWBASHHLFBJF-UHFFFAOYSA-N methyl piperidine-4-carboxylate Chemical compound COC(=O)C1CCNCC1 RZVWBASHHLFBJF-UHFFFAOYSA-N 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
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- 239000004005 microsphere Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- MKQLBNJQQZRQJU-UHFFFAOYSA-N morpholin-4-amine Chemical compound NN1CCOCC1 MKQLBNJQQZRQJU-UHFFFAOYSA-N 0.000 description 1
- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- VEBLEROFGPOMPB-UHFFFAOYSA-N n-methylcyclopropanamine Chemical compound CNC1CC1 VEBLEROFGPOMPB-UHFFFAOYSA-N 0.000 description 1
- CPQCSJYYDADLCZ-UHFFFAOYSA-N n-methylhydroxylamine Chemical compound CNO CPQCSJYYDADLCZ-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- HVZWVEKIQMJYIK-UHFFFAOYSA-N nitryl chloride Chemical compound [O-][N+](Cl)=O HVZWVEKIQMJYIK-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- NYGCBQKDTGBHSC-UHFFFAOYSA-N oxan-2-ylmethanamine Chemical compound NCC1CCCCO1 NYGCBQKDTGBHSC-UHFFFAOYSA-N 0.000 description 1
- AHVQYHFYQWKUKB-UHFFFAOYSA-N oxan-4-amine Chemical compound NC1CCOCC1 AHVQYHFYQWKUKB-UHFFFAOYSA-N 0.000 description 1
- IPBPLHNLRKRLPJ-UHFFFAOYSA-N oxan-4-ylmethanamine Chemical compound NCC1CCOCC1 IPBPLHNLRKRLPJ-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000005426 pharmaceutical component Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- LWMPFIOTEAXAGV-UHFFFAOYSA-N piperidin-1-amine Chemical compound NN1CCCCC1 LWMPFIOTEAXAGV-UHFFFAOYSA-N 0.000 description 1
- LTEKQAPRXFBRNN-UHFFFAOYSA-N piperidin-4-ylmethanamine Chemical compound NCC1CCNCC1 LTEKQAPRXFBRNN-UHFFFAOYSA-N 0.000 description 1
- XBXHCBLBYQEYTI-UHFFFAOYSA-N piperidin-4-ylmethanol Chemical compound OCC1CCNCC1 XBXHCBLBYQEYTI-UHFFFAOYSA-N 0.000 description 1
- JSPCTNUQYWIIOT-UHFFFAOYSA-N piperidine-1-carboxamide Chemical compound NC(=O)N1CCCCC1 JSPCTNUQYWIIOT-UHFFFAOYSA-N 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000004633 polyglycolic acid Substances 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 229960003415 propylparaben Drugs 0.000 description 1
- 238000001243 protein synthesis Methods 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 229930002341 quinoline alkaloid Natural products 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- IZTQOLKUZKXIRV-YRVFCXMDSA-N sincalide Chemical compound C([C@@H](C(=O)N[C@@H](CCSC)C(=O)NCC(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(N)=O)NC(=O)[C@@H](N)CC(O)=O)C1=CC=C(OS(O)(=O)=O)C=C1 IZTQOLKUZKXIRV-YRVFCXMDSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 1
- 235000010378 sodium ascorbate Nutrition 0.000 description 1
- 229960005055 sodium ascorbate Drugs 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 229940080313 sodium starch Drugs 0.000 description 1
- 229940045902 sodium stearyl fumarate Drugs 0.000 description 1
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229960004274 stearic acid Drugs 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- XJJBXZIKXFOMLP-ZETCQYMHSA-N tert-butyl (2s)-pyrrolidine-2-carboxylate Chemical compound CC(C)(C)OC(=O)[C@@H]1CCCN1 XJJBXZIKXFOMLP-ZETCQYMHSA-N 0.000 description 1
- GPMANOUMBKYOHS-UHFFFAOYSA-N tert-butyl 4-(1,3-dioxoisoindol-2-yl)oxypiperidine-1-carboxylate Chemical compound C1CN(C(=O)OC(C)(C)C)CCC1ON1C(=O)C2=CC=CC=C2C1=O GPMANOUMBKYOHS-UHFFFAOYSA-N 0.000 description 1
- LBQDLHPFISVBRU-UHFFFAOYSA-N tert-butyl 4-(2-aminoethyl)piperidine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCC(CCN)CC1 LBQDLHPFISVBRU-UHFFFAOYSA-N 0.000 description 1
- FXEYGOYVUJFORB-UHFFFAOYSA-N tert-butyl 4-(methylaminomethyl)piperidine-1-carboxylate Chemical compound CNCC1CCN(C(=O)OC(C)(C)C)CC1 FXEYGOYVUJFORB-UHFFFAOYSA-N 0.000 description 1
- PWQLFIKTGRINFF-UHFFFAOYSA-N tert-butyl 4-hydroxypiperidine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCC(O)CC1 PWQLFIKTGRINFF-UHFFFAOYSA-N 0.000 description 1
- UZRUVUYVHGPEAP-UHFFFAOYSA-N tert-butyl n-(methylamino)carbamate Chemical compound CNNC(=O)OC(C)(C)C UZRUVUYVHGPEAP-UHFFFAOYSA-N 0.000 description 1
- GKWGBMHXVRSFRT-UHFFFAOYSA-N tert-butyl n-[2-(methylamino)ethyl]carbamate Chemical compound CNCCNC(=O)OC(C)(C)C GKWGBMHXVRSFRT-UHFFFAOYSA-N 0.000 description 1
- CKXZPVPIDOJLLM-UHFFFAOYSA-N tert-butyl n-piperidin-4-ylcarbamate Chemical compound CC(C)(C)OC(=O)NC1CCNCC1 CKXZPVPIDOJLLM-UHFFFAOYSA-N 0.000 description 1
- CWXPZXBSDSIRCS-UHFFFAOYSA-N tert-butyl piperazine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCNCC1 CWXPZXBSDSIRCS-UHFFFAOYSA-N 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- UCFGDBYHRUNTLO-QHCPKHFHSA-N topotecan Chemical compound C1=C(O)C(CN(C)C)=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)[C@]5(O)CC)C4=NC2=C1 UCFGDBYHRUNTLO-QHCPKHFHSA-N 0.000 description 1
- 229960000303 topotecan Drugs 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- 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
- C07D491/22—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 four or more hetero rings
-
- 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
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/4738—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems
- A61K31/4745—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems condensed with ring systems having nitrogen as a ring hetero atom, e.g. phenantrolines
-
- 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
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- 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
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5365—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring 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
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5377—1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/22—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- the present invention relates to the field of medicine, and specifically to a series of camptothecin derivatives with novel structures and their preparation methods and applications.
- Camptothecin is a natural product originally extracted from the Chinese plant Camptotheca acuminata by American scientists Wall and Wani. Camptothecin is a water-insoluble, cytotoxic quinoline alkaloid with broad spectrum anti-tumor activity. Its mechanism of action is believed to be to bind to topoisomerase Top1 and DNA to form a complex, inhibit Top1 activity, block DNA replication and protein synthesis, thereby leading to cell apoptosis. Camptothecin has significant effects on gastric cancer, esophageal cancer, cardiac cancer, colon cancer, rectal cancer, primary liver cancer, acute and chronic myeloid leukemia, chorioepithelial cancer, lung cancer, bladder cancer, etc.
- camptothecin compounds have been developed as anti-tumor drugs globally so far, namely irinotecan for intestinal cancer and small cell lung cancer (SCLC) and irinotecan for intestinal cancer and small cell lung cancer (SCLC).
- SCLC small cell lung cancer
- SCLC irinotecan for intestinal cancer and small cell lung cancer
- Topotecan for lung and ovarian cancer while Belotecan, another camptothecin derivative, is only approved for the treatment of SCLC and ovarian cancer in South Korea. Camptothecin's cytotoxicity, poor solubility, and drug resistance have hindered its wider application in the treatment of tumors.
- camptothecin derivative drugs with low toxicity, water solubility and anti-drug resistance is necessary and has broad application value.
- the object of the present invention is to provide a camptothecin derivative with novel structure and anti-cancer activity.
- One aspect of the invention provides a compound of formula (I) or a pharmaceutically acceptable salt, stereoisomer or prodrug thereof:
- R is -CH 2 NR 1 R 2 , where R 1 and R 2 are each independently selected from hydrogen, hydroxyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 3 -C 6 cycloalkyl base, 4 to 8-membered heterocycloalkyl, 4 to 8-membered aryl or -NR a R b , the C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 3 -C 6 cycloalkyl group, 4 to 8 membered heterocycloalkyl, 4 to 8 membered aryl or -NR a R b optionally selected from halogen, hydroxyl, amino, carboxyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxycarbonyl, -O-(C 1 -C 3 alkyl)-NR a R b or 4 to 8 membered heterocycloalkyl substituents, provided that R 1 and R 2 are not
- R 1 , R 2 and the N atom connected thereto together form a 4 to 8 membered cycloalkyl group, a 4 to 8 membered heterocycloalkyl group, a 4 to 8 membered aryl group or a 9 to 12 membered azaspirocycloalkyl group, wherein 4 to 8 membered cycloalkyl, 4 to 8 membered heterocycloalkyl, 4 to 8 membered aryl or 9 to 12 membered azaspirocycloalkyl are optionally selected from hydroxyl, amino, carboxyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxycarbonyl, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, -O-NH 2 , -NR a R b or -C(O)R c Substituted with a substituent; or,
- R its ortho-position hydroxyl group and the C atom on the connected benzene ring together form a 4- to 8-membered heterocycloalkyl group
- the 4- to 8-membered heterocycloalkyl group is optionally selected from C 1 -C 6 alkane group, C 1 -C 6 alkoxy group, C 3 -C 6 cycloalkyl group, 4 to 8 membered heterocycloalkyl group, -NR a R b or 4 to 8 membered heterocycloalkyl substituent, the C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 3 -C 6 cycloalkyl , 4 to 8 membered heterocycloalkyl, -NR a R b or 4 to 8 membered heterocycloalkyl.
- R 1 and R 2 are optionally substituted with a substituent selected from halogen, hydroxyl, amino, carboxyl, C 1 -C 6 alkoxy or C 1 -C 6 alkoxycarbonyl, provided that at least one of R 1 and R 2 is H.
- R a and R b are each independently selected from H, C 1 -C 6 alkyl or C 1 -C 6 alkoxycarbonyl.
- R c is selected from amino, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 3 -C 6 cycloalkyl or hydroxyl substituted C 1 -C 3 alkyl.
- R is -CH 2 NR 1 R 2 , wherein R 1 and R 2 are each independently selected from hydrogen, hydroxyl, C 1 -C 6 alkyl, C 1 - C 6 alkoxy, C 3 -C 6 cycloalkyl, 4 to 8 membered heterocycloalkyl or -NR a R b ; the C 1 -C 6 alkyl is optionally selected from halogen, hydroxyl, amino , carboxyl, C 1 -C 6 alkoxycarbonyl, -O-(C 1 -C 3 alkyl)-NR a R b or 4 to 8 membered heterocycloalkyl substituent substitution; wherein, the C 3 - C 6 cycloalkyl or 4 to 8 membered heterocycloalkyl is optionally substituted with a substituent selected from hydroxyl, C 1 -C 3 alkoxy or C 1 -C 6 alkoxycarbonyl, provided that R 1 ,
- R 1 , R 2 and the N atom connected thereto together form a 4 to 8 membered heterocycloalkyl group or a 9 to 12 membered azaspirocycloalkyl group
- the 4 to 8 membered heterocycloalkyl group is optionally selected from hydroxyl , amino, carboxyl, C 1 -C 6 alkoxycarbonyl, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, -O-NH 2 or -C(O)R c substituent substitution; or ,
- R its ortho-position hydroxyl group and the C atom on the connected benzene ring together form a 4- to 8-membered heterocycloalkyl group
- the 4- to 8-membered heterocycloalkyl group is optionally selected from halogen-substituted C 1 - Substituted with substituents of C 6 alkyl, C 3 -C 6 cycloalkyl or 4 to 8 membered heterocycloalkyl, provided that at least one of R 1 and R 2 is H.
- R a and R b are each independently selected from H, methyl, or tert-butoxycarbonyl.
- R c is selected from amino, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 3 -C 6 cycloalkyl, or hydroxyl substituted C 1 -C 3 alkyl.
- R is -CH 2 NHR 1
- R 1 is selected from hydrogen, hydroxyl, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 3 -C 6 cycloalkyl, 4 to 8 membered heterocycloalkyl or -NR a R b
- the C 1 -C 6 alkyl is optionally selected from halogen, hydroxyl, amino, carboxyl, C 1 -C 6 alkoxy Carbonyl, -O-(C 1 -C 3 alkyl) -NR a R b or 4 to 8 membered heterocycloalkyl substituent substitution
- the C 3 -C 6 cycloalkyl or 4 to 8 membered heterocycle Alkyl is optionally substituted with a substituent selected from hydroxy, C 1 -C 3 alkoxy or C 1 -C 6 alkoxycarbonyl, provided that R 1 is not hydrogen; or,
- R its ortho-position hydroxyl group and the C atom on the adjacent benzene ring together form a 4- to 8-membered heterocycloalkyl group, which is optionally selected from halogen-substituted C 1 Substituted with -C 6 alkyl, C 3 -C 6 cycloalkyl or 4 to 8 membered heterocycloalkyl substituents.
- R a and R b are each independently selected from H, methyl, or tert-butoxycarbonyl.
- R 1 and R 2 are each independently selected from hydrogen, hydroxyl, methyl, ethyl, propyl, isopropyl, methoxy, ethoxy, propoxy, cyclopropyl, cyclopropyl, Pentyl, cyclohexyl, 5- or 6-membered heterocycloalkyl containing 1 to 2 N atoms as ring atoms, 5- or 6-membered heterocycloalkyl containing 1 to 3 heteroatoms selected from N or O as ring atoms Heterocycloalkyl or -NR a R b , wherein, methyl, ethyl, propyl or isopropyl is optionally selected from halogen, hydroxyl, amino, carboxyl, methoxycarbonyl, ethoxycarbonyl, Tert-butyl alkoxycarbonyl, methoxy-NR a R b , ethoxy-NR a R b , pyrrolidiny
- Alkyl is optionally substituted with a substituent selected from hydroxyl, methoxy, ethoxy, propoxy or methoxycarbonyl, ethoxycarbonyl or tert-butylalkoxycarbonyl, provided that R 1 , R 2 are not Also hydrogen or methyl.
- R 1 , R 2 and the N atom connected thereto together form a pyrrolidinyl, piperidinyl, piperazinyl or 11-membered azaspirocycloalkyl group
- the pyrrolidinyl, piperidinyl or Piperazinyl or 11-membered azaspirocycloalkyl is optionally selected from hydroxyl, amino, carboxyl, methoxycarbonyl, ethoxycarbonyl, tert-butylalkoxycarbonyl, methyl, ethyl, propyl, isopropyl Substituted with a substituent of base, methoxy, ethoxy, propoxy, -O-NH 2 or -C(O)R c .
- R its ortho-positioned hydroxyl group and the C atom on its adjacent benzene ring together form a pyrrolidinyl, piperidinyl, piperazinyl or oxazinyl group
- the pyrrolidinyl, piperidinyl radical, piperazinyl or oxazinyl optionally selected from methyl, ethyl, propyl, isopropyl, cyclopropyl, cyclopentyl, cyclohexyl, pyrrolidinyl, piperidyl, Substituted with piperazinyl or oxazinyl substituents.
- R 1 and R 2 are each independently selected from hydrogen, hydroxyl, amino, methyl, ethyl, isopropyl, methoxy, ethoxy, trifluoroethyl group, cyclopropyl, -(CH 2 ) 2 OH, -(CH 2 ) 2 - 4 NH 2 , -CH(CH 3 )COOH, -CH(CH 3 )CH 2 OCH 3 , -CH(CH 3 ) CH 2 OH, -(CH 2 ) 2 CH 3 , -NHBoc, N(CH 3 )Boc, -CH(CH 3 )Boc, -(CH 2 ) 2 O(CH 2 ) 2 NHBoc,
- the condition is that R 1 and R 2 are not hydrogen or methyl at the same time; or,
- R 1 , R 2 and the N atom to which they are attached together form pyrrolidine, piperidine, piperazine or 3,9-diazaspirocycloundecane (for example ), the pyrrolidine, piperidine, piperazine or 3,9-diazaspirocycloundecane is optionally selected from the group consisting of hydroxyl, amino, methyl, methoxy, carboxyl, tert-butoxycarbonyl, -O -NH 2 or -C(O)R c substituent substitution; or,
- R the hydroxyl group at the ortho position and the C atom on the adjacent benzene ring together form 1,3-oxazine, which is optionally selected from trifluoromethyl, cyclopropyl Or substituted by a morpholin-4 substituent, provided that at least one of R 1 and R 2 is H.
- R c is selected from amino, methyl, methoxy, hydroxyethyl or cyclopropyl.
- R, its ortho-position hydroxyl group and the C atom on its adjacent benzene ring together form described Optionally substituted with substituents selected from C 1 -C 6 alkyl or 4 to 8 membered heterocycloalkyl.
- R its ortho-position hydroxyl group and the C atom on its adjacent benzene ring together form described Optionally substituted with a substituent selected from trifluoromethyl, cyclopropyl or morpholin-4, provided that at least one of R 1 and R 2 is H.
- R 1 , R 2 and the N atom connected thereto together form pyrrolidine, piperidine, piperazine or 3,9-diazaspirocycloundecane
- the pyrrole Alkane, piperidine, piperazine or 3,9-diazaspirocycloundecane is optionally selected from amino, methoxy, -O-NH 2 , carboxyl, tert-butoxycarbonyl, -C(O)- Substituted with substituents of NH 2 , -C(O)OCH 3 , -C(O)CH 3 , -C(O)-cyclopropyl, and -C(O)CH 2 OH.
- R is -CH 2 NHR 1 and R 1 is selected from hydrogen, hydroxyl, amino, methyl, ethyl, isopropyl, methoxy, ethoxy, trifluoroethyl, cyclopropyl , -(CH 2 ) 2 OH, -(CH 2 ) 2 - 4 NH 2 , -CH(CH 3 )COOH, -CH(CH 3 )CH 2 OCH 3 , -CH(CH 3 )CH 2 OH, - (CH 2 ) 2 CH 3 , -NHBoc, N(CH 3 )Boc, -CH(CH 3 )Boc, -(CH 2 ) 2 O(CH 2 ) 2 NHBoc, Provided that, R 1 is not hydrogen; or,
- R the hydroxyl group at the ortho position and the C atom on the adjacent benzene ring jointly form described
- substituents selected from trifluoromethyl, cyclopropyl or morpholin-4yl.
- R its ortho-position hydroxyl group and the C atom on its adjacent benzene ring together form described Optionally substituted with trifluoromethyl or morpholin-4 substituents.
- R is selected from the following structures:
- R is selected from the following structures:
- R is selected from the following structures:
- R does not include the following structures: -CH 2 NHCH 2 CH 2 OH, -CH 2 NHCH 2 CH 2 N(CH 3 ) 2 ,
- the compound of formula (I) is a compound of formula (II):
- the Y ring is selected from the group consisting of a 4- to 8-membered nitrogen-containing saturated heterocyclic ring, a 4- to 8-membered nitrogen-containing aromatic ring, or a 9- to 12-membered nitrogen-containing saturated spirocyclic ring.
- the aromatic ring or 9 to 12 membered nitrogen-containing saturated spiro ring is optionally further selected from hydroxyl, amino, C 1 -C 6 alkoxycarbonyl, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, - Substituted with a substituent of O-NH 2 or -C(O)R c ; preferably, the C 1 -C 6 alkoxycarbonyl group is tert-butoxycarbonyl.
- the Y ring is selected from a 4- to 8-membered nitrogen-containing saturated ring or a 9- to 12-membered nitrogen-containing saturated spiro ring
- the 4- to 8-membered nitrogen-containing saturated ring is optionally selected from the group consisting of hydroxyl, amino, C 1 -C 6 alkoxycarbonyl, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, -O-NH 2 or -C(O)R c substituent substitution; preferably, the C 1 -C 6 Alkoxycarbonyl is tert-butoxycarbonyl.
- R c is selected from hydroxyl, amino, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 3 -C 6 cycloalkyl or hydroxyl substituted C 1 -C 3 alkyl.
- Rc is selected from hydroxyl, amino, methyl, methoxy, hydroxymethyl, tert-butyloxy or cyclopropyl.
- the compound of formula (II) is a compound of formula (IIa), formula (IIb) or formula (IIc):
- R c is selected from hydroxyl, amino, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 3 -C 6 cycloalkyl or hydroxyl substituted C 1 -C 3 alkyl.
- Rc is selected from hydroxyl, amino, methyl, methoxy, hydroxymethyl, tert-butyloxy or cyclopropyl.
- the Y ring is selected from the group consisting of a 4- to 8-membered nitrogen-containing saturated heterocyclic ring, a 4- to 8-membered nitrogen-containing aromatic ring, or a 9- to 12-membered nitrogen-containing saturated spirocyclic ring.
- the aromatic ring or 9 to 12 membered nitrogen-containing saturated spiro ring is optionally further selected from hydroxyl, amino, C 1 -C 6 alkoxycarbonyl, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, - Substituted with a substituent of O-NH 2 or -C(O)R c ; preferably, the C 1 -C 6 alkoxycarbonyl group is tert-butoxycarbonyl.
- R c is defined as the compound of formula (I).
- the Y ring is selected from a 4- to 8-membered nitrogen-containing saturated ring or a 9- to 12-membered nitrogen-containing saturated spiro ring
- the 4- to 8-membered nitrogen-containing saturated ring is optionally selected from the group consisting of hydroxyl, amino, C 1 -C 6 alkoxycarbonyl, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, -O-NH 2 or -C(O)R c substituent substitution; preferably, the C 1 -C 6 Alkoxycarbonyl is tert-butoxycarbonyl.
- R c ' is selected from hydroxyl, amino, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 3 -C 6 cycloalkyl or hydroxyl substituted C 1 -C 3 alkyl.
- Rc' is selected from hydroxyl, amino, methyl, methoxy, hydroxymethyl, tert-butyloxy or cyclopropyl.
- the compound of formula (II) is a compound of formula (IIa), formula (IIb) or formula (IIc):
- R c ' is selected from hydroxyl, amino, C 1 -C 3 alkyl, C 1 -C 3 alkoxy, C 3 -C 6 cycloalkyl or hydroxyl-substituted C 1 -C 3 alkyl.
- R c ' is selected from hydroxyl, amino, methyl, methoxy, hydroxymethyl, tert-butyloxy or cyclopropyl.
- the present invention provides the following compounds:
- Another aspect of the present invention provides a method for preparing the above compound, which includes steps selected from the following reaction route:
- the amine compound is NHR 1 R 2 , and R, R 1 and R 2 are each defined as described above.
- the amine compound is NHR 1 R 2 , and R, R 1 and R 2 are each defined as described above.
- the 9-formyl-10-hydroxycamptothecin is obtained by reacting 10-hydroxycamptothecin and hexamethylenetetramine.
- the amount of paraformaldehyde or formaldehyde is 1.0-5.0 molar equivalents; preferably, it is 1.0-3.0 molar equivalents; more preferably, it is 1.2-2.2 Molar equivalent.
- the amount of amine compound used in reaction route 1 is 1.0-5.0 molar equivalents; more preferably, it is 1.0-2.0 molar equivalents; more preferably, it is 1.2-1.6 molar equivalents.
- the reducing agent is sodium cyanoborohydride.
- the amount of amine compound used is 1.0-3.0 molar equivalents; more preferably, it is 1.0-1.2 molar equivalents.
- the amount of sodium cyanoborohydride is 1.0-3.0 molar equivalents; more preferably, it is 1.0-2.0 molar equivalents; more preferably, it is 1.2-1.5 molar equivalents.
- Another aspect of the present invention provides an antibody-drug conjugate, including a small molecule drug and a linker antibody, in which the above compound or its pharmaceutically acceptable salt, stereoisomer or prodrug is a small molecule drug.
- Another aspect of the present invention provides a pharmaceutical composition, which includes the above-mentioned compound or its pharmaceutically acceptable salt, stereoisomer, prodrug or the above-mentioned antibody-drug conjugate.
- the pharmaceutical composition further includes pharmaceutically acceptable excipients.
- Another aspect of the present invention provides a use of the above compound or a pharmaceutically acceptable salt, stereoisomer, prodrug, antibody drug conjugate or pharmaceutical composition thereof in the preparation of a drug for treating cancer.
- the cancer includes gastric cancer, esophageal cancer, cardiac cancer, breast cancer, ovarian cancer, colon cancer, rectal cancer, primary liver cancer, acute and chronic myelogenous leukemia, chorioepithelial carcinoma, lung cancer, Bladder cancer, intestinal cancer and small cell lung cancer; preferably, the cancer is esophageal cancer, breast cancer and gastric cancer.
- Another aspect of the present invention provides a method of treating cancer, comprising administering the above compound or a pharmaceutically acceptable salt, stereoisomer, prodrug, antibody drug conjugate or drug combination thereof to a patient in need thereof object steps.
- the administered amount of the above compound or its pharmaceutically acceptable salt, stereoisomer, prodrug, antibody drug conjugate or pharmaceutical composition is a therapeutically effective amount.
- the camptothecin derivative compound provided by the invention has significant inhibitory activity against cancer cells such as esophageal cancer cell OE33, breast adenocarcinoma cell SK-BR-3, and gastric cancer cell NCI-N87.
- the present invention also provides preparation methods of the aforementioned compounds, and these methods have surprisingly high yields.
- the compounds of the present invention may be asymmetric, eg, have one or more stereoisomers. Unless otherwise stated, all stereoisomers include, for example, enantiomers and diastereomers.
- the stereoisomers include geometric isomers (such as cis and trans structures) and optical isomers (such as enantiomers), in the form of monomers, racemates, racemic mixtures and pharmaceutically acceptable The treatment consisting of salt received.
- the compounds of the present invention containing asymmetric carbon atoms can be isolated in optically active pure form or in racemic form. Optically active pure forms can be resolved from racemic mixtures or synthesized by using chiral starting materials or chiral reagents. Racemates, diastereomers, and enantiomers are all included within the scope of the present invention.
- the compounds of the present invention also include tautomeric forms.
- the tautomeric form results from the exchange of a single bond with an adjacent double bond and the accompanying migration of a proton.
- C1-C6 means that the group can have 1 carbon atom, 2 carbon atoms, 3 carbon atoms, 4 carbon atoms, 5 carbon atoms, or 6 carbon atoms;
- C3-C6 is means that the group can have 3 carbon atoms, 4 carbon atoms, 5 carbon atoms or 6 carbon atoms.
- substituted means that any one or more hydrogen atoms on a specific atom or group are replaced by a substituent, as long as the valence state of the specific atom or group is normal and the substituted compound is stable. Unless otherwise specified, the type and number of substituents may be arbitrary on the basis of chemical achievability.
- any variable e.g., Rn
- Rn variable
- its definition in each instance is independent.
- R for example, if a group is substituted by 1 to 5 R, then said group may optionally be substituted with up to 5 R, with independent options for R in each case.
- substituents and/or variants thereof are permitted only if such combinations result in stable compounds.
- alkyl refers to a saturated aliphatic hydrocarbon group, which is a straight or branched chain group containing 1 to 20 carbon atoms, preferably an alkyl group containing 1 to 8 carbon atoms, more preferably 1 to 6 carbon atoms an alkyl group, most preferably an alkyl group having 1 to 3 carbon atoms.
- Non-limiting examples include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, sec-butyl, n-pentyl, 1,1-dimethylpropyl, 1 , 2-dimethylpropyl, 2,2-dimethylpropyl, 1-ethylpropyl, 2-methylbutyl, 3-methylbutyl, n-hexyl, 1-ethyl-2- Methylpropyl, 1,1,2-trimethylpropyl, 1,1-dimethylbutyl, 1,2-dimethylbutyl, 2,2-dimethylbutyl, 1,3 -Dimethylbutyl, 2-ethylbutyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 2,3-dimethylbutyl, n-heptyl, 2 -Methylhexyl, 3-methylhexyl, 4-methylhe
- lower alkyl groups containing 1 to 6 carbon atoms include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, sec-butyl base, n-pentyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 2,2-dimethylpropyl, 1-ethylpropyl, 2-methylbutyl, 3-Methylbutyl, n-hexyl, 1-ethyl-2-methylpropyl, 1,1,2-trimethylpropyl, 1,1-dimethylbutyl, 1,2-dimethyl Butyl, 2,2-dimethylbutyl, 1,3-dimethylbutyl, 2-ethylbutyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl base, 2,3-dimethylbutyl, etc.
- Alkyl groups may be substituted or unsubstituted. When substituted, the substituents may be substituted at any available point of attachment.
- the substituents are preferably one or more of the following groups, independently selected from alkyl groups: Base, alkenyl, alkynyl, alkoxy, alkylthio, alkylamino, halogen, mercapto, hydroxyl, nitro, cyano, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkyl Oxygen group, heterocycloalkyloxy group, cycloalkylthio group, heterocycloalkylthio group, oxo group, carboxyl group or carboxylate group.
- methyl group, ethyl group, isopropyl group, tert-butyl group and haloalkyl group are preferred.
- heterocyclyl refers to a saturated or partially unsaturated monocyclic or polycyclic cyclic hydrocarbon substituent containing 3 to 20 ring atoms, one or more of which are selected from nitrogen, oxygen, or S(O) m (where m is an integer from 0 to 2), excluding the ring portion of -OO-, -OS- or -SS-, and the remaining ring atoms are carbon.
- the one-membered heterocyclyl group is optionally substituted by 1-2 oxygen atoms, sulfur atoms, and oxo groups, including nitrogen-containing monocyclic heterocyclyl groups, nitrogen-containing spiroheterocyclyl groups, or nitrogen-containing fused heterocyclyl groups.
- heterocycloalkyl refers to a saturated ring substituent containing heteroatoms on the ring skeleton, in which one or more (preferably 1 to 4 or 1 to 3 or 1 to 2) ring atoms are selected from N, O , S heteroatoms.
- aryl refers to a 6 to 14 membered all-carbon monocyclic or fused polycyclic (i.e., rings sharing adjacent pairs of carbon atoms) group having a conjugated pi electron system, preferably 6 to 12 members, such as benzene base and naphthyl.
- the aryl group may be substituted or unsubstituted.
- the substituent is preferably one or more of the following groups, which are independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkylthio, Alkylamino, halogen, mercapto, hydrogen, nitro, cyano, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkoxy, heterocycloalkoxy, cycloalkylthio, Heterocycloalkylthio group, carboxyl group or carboxylate group.
- alkoxy refers to -O-(alkyl) and -O-(unsubstituted cycloalkyl), where alkyl is as defined above.
- alkoxy include: methoxy, ethoxy, propoxy, butoxy, cyclopropoxy, cyclobutoxy, cyclopentyloxy, cyclohexyloxy.
- the alkoxy group may be optionally substituted or unsubstituted.
- the substituent is preferably one or more of the following groups, which are independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkyl, Thio, alkylamino, halogen, mercapto, hydrogen, nitro, chlorine, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkoxy, heterocycloalkoxy, cycloalkyl Thio group, heterocycloalkylthio group, carboxyl group or carboxylate group.
- groups which are independently selected from the group consisting of alkyl, alkenyl, alkynyl, alkoxy, alkyl, Thio, alkylamino, halogen, mercapto, hydrogen, nitro, chlorine, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, cycloalkoxy, heterocycloalkoxy, cycloalkyl Thio group, heterocycloalkylthio group
- the hydrogen atoms described in the present invention can be replaced by its isotope deuterium.
- Optional or “optionally” means that the subsequently described event or circumstance can but need not occur, and that the description includes instances where the event or circumstance does or does not occur.
- a heterocyclic group optionally substituted by an alkyl group means that an alkyl group may but need not be present. This description includes the case where the heterocyclic group is substituted by an alkyl group and the case where the heterocyclic group is not substituted by an alkyl group. .
- Substituted means that one or more hydrogen atoms in a group, preferably up to 5, more preferably 1 to 3 hydrogen atoms, are independently substituted with a corresponding number of substituents. It goes without saying that the substituents are only in their possible chemical positions, and the person skilled in the art is able to determine (either experimentally or theoretically) possible or impossible substitutions without undue effort. For example, an amino or hydroxyl group with a free hydrogen may be unstable when combined with a carbon atom with an unsaturated (eg, olefinic) bond.
- salts refer to salts of the corresponding amine compounds with inorganic or organic acids, or salts of the corresponding carboxylic acid compounds with alkali metals or alkaline earth metals, or with organic amines. of salt.
- inorganic acids include but are not limited to hydrochloric acid, hydrobromic acid, hydroiodic acid, sulfuric acid, phosphoric acid, etc.
- organic acids include but are not limited to acetic acid, propionic acid, butyric acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid, and p-toluene.
- precursor means that after the compound enters the human body in an appropriate manner of administration, the precursor compound undergoes metabolism or simple chemical changes in the patient's body and is converted into the compound contained in the general formula 1 of the present invention and the corresponding salt. form.
- Precursors of compounds include but are not limited to various carboxylates, carbonates, phosphates, sulfates, sulfonates, amino acid esters, gluconates, and various amides, acetals, hemiacetals, carbonate amide esters, etc. .
- the medicaments or pharmaceutical compositions of the invention may be administered orally, topically, parenterally or mucosally (eg, bucally, by inhalation or rectally) in dosage unit formulations containing conventional non-toxic pharmaceutically acceptable carriers Apply. It is usually desirable to use the oral route.
- the active agent may be administered orally in the form of capsules, tablets, etc. (see Remington: The Science and Practice of Pharmacy, 20th Edition).
- the active pharmaceutical ingredient may be combined with non-toxic, pharmaceutically acceptable excipients such as binders (e.g., pregelatinized cornstarch, polyvinylpyrrolidone, or hydroxypropylmethyl).
- binders e.g., pregelatinized cornstarch, polyvinylpyrrolidone, or hydroxypropylmethyl.
- cellulose cellulose
- fillers for example, lactose, sucrose, glucose, mannitol, sorbitol and other reducing and non-reducing sugars, microcrystalline cellulose, calcium sulfate or calcium hydrogen phosphate
- lubricants for example, , magnesium stearate, talc or silica, stearic acid, sodium stearyl fumarate, glyceryl behenate, calcium stearate, etc.
- disintegrating agent for example, potato starch or hydroxyl sodium starch acetate
- wetting agents for example, sodium lauryl sulfate
- coloring and flavoring agents gelatin, sweeteners, natural and synthetic gums (such as acacia, tragacanth or alginate), Buffer salt, carboxymethyl cellulose, polyethylene glycol, wax, etc.
- the pharmaceutical component may be derivatized with a non-toxic, pharmaceutically acceptable inert carrier (e.g., ethanol, glycerol, water), anti-sedimentation agent (e.g., sorbitol syrup, cellulose or hydrogenated edible fats), emulsifiers (e.g., lecithin or gum arabic), non-aqueous carriers (e.g., almond oil, oil esters, ethanol or fractionated vegetable oils), preservatives (e.g., p- Methyl hydroxybenzoate or p-propyl hydroxybenzoate or sorbic acid) and other combinations.
- Stabilizers such as antioxidants (BHA, BHT, propyl citrate, sodium ascorbate, citric acid) may also be added to stabilize the dosage form.
- compositions of the invention which comprise a compound of formula I as active compound may also incorporate beads, microspheres or microcapsules, constructed for example from polyglycolic/lactic acid (PGLA).
- PGLA polyglycolic/lactic acid
- Liquid preparations for oral administration may take the form of, for example, solutions, syrups, emulsions or suspensions or they may be presented as a dry product for constitution with water or other suitable excipients before use.
- Formulations for oral administration may be suitably formulated to provide controlled or delayed release of the active compound.
- treating includes inhibiting, alleviating, preventing, or eliminating one or more symptoms or side effects associated with the disease, condition, or disorder being treated.
- inhibitor is used with respect to control.
- One skilled in the art will readily determine the appropriate controls for each experiment. For example, a reduced response in a subject or cell treated with a compound is compared to a response in a subject or cell not treated with the compound.
- composition means a composition comprising a compound of the present invention or a pharmaceutically acceptable salt thereof, and at least one pharmaceutically acceptable ingredient selected from the following, depending on the mode of administration and the nature of the dosage form, Including but not limited to: carriers, diluents, adjuvants, excipients, preservatives, fillers, disintegrants, wetting agents, emulsifiers, suspending agents, sweeteners, flavoring agents, flavors, antibacterial agents , antifungal agents, lubricants, dispersants, temperature-sensitive materials, temperature regulators, adhesives, stabilizers, suspending agents, etc.
- an effective amount refers to a nontoxic amount of a drug or agent that is sufficient to achieve the desired effect.
- the amount of a given drug depends on many factors, such as the specific dosage regimen, the type of disease or condition and its severity, and the subject requiring treatment. or host's uniqueness (e.g., body weight), however, dosages administered may be determined by those known in the art, depending on the particular surrounding circumstances, including, for example, the specific drug being employed, the route of administration, the condition being treated, and the subject or host being treated. The method is routinely determined.
- the dosage administered will typically be in the range of 0.02-5000 mg/day, for example about 1-1500 mg/day.
- the required dose may conveniently be presented as one dose, or as divided doses administered simultaneously (or within a short period of time) or at appropriate intervals, for example two, three, four or more divided doses per day.
- the specific effective amount can be appropriately adjusted according to the patient's condition and in conjunction with the physician's diagnosis.
- ADC antibody-drug conjugate
- the raw materials and equipment used in the specific embodiments of the present invention are all known products and can be obtained by purchasing commercially available products.
- Paraformaldehyde, 1-cyclopropylcarbonylpiperazine, dioxane and 10-hydroxycamptothecin were synthesized according to the synthesis method A to obtain compound 9-(4-cyclopropylcarbonylpiperazine-1-)methyl.
- Paraformaldehyde, 1-acetylpiperazine, dioxane and 10-hydroxycamptothecin were synthesized according to method A to obtain compound 9-(4-acetylpiperazine-1-)methyl-10-hydroxycamptothecin.
- Method B Add 9-formyl-10-hydroxycamptothecin (25mg, 0.064mmol), (2-(methylamino)ethyl)carbamic acid tert-butyl ester (10.2mg, 0.07mmol), and methanol (3mL) Put it into the reaction bottle, stir for 1 hour at 20°C, add sodium cyanoborohydride (4.4 mg, 0.07 mmol) after cooling to 0°C, continue stirring for 2 hours at 20°C, concentrate, and purify by silica gel column chromatography (DCM/MeOH: 90:1-10:1) to obtain compound 9-(N-methyl-N-Boc aminoethylamine)methyl-10-hydroxycamptothecin (34.1 mg, yield 95.7%); LC/MS (M+H ): 551.21 (calculated value: 550.24).
- Paraformaldehyde, N-methylethylamine, dioxane and 10-hydroxycamptothecin were synthesized according to method A to obtain compound 9-(N-methyl-N-ethylamine)methyl-10-hydroxycamptothecin.
- Paraformaldehyde, 4-((methylamino)methyl)piperidine-1-carboxylic acid tert-butyl ester, dioxane and 10-hydroxycamptothecin were synthesized according to method A to obtain compound 9-(N-methyl (1-Boc-piperidin-4-methyl)amine)methyl-10-hydroxycamptothecin (93.3% yield): LC/MS (M+H): 605.14 (calculated: 604.29).
- Paraformaldehyde, L-proline tert-butyl ester, dioxane and 10-hydroxycamptothecin were synthesized according to method A to obtain compound 9-(L-proline tert-butyl ester) methyl-10-hydroxycamptothecin.
- Paraformaldehyde, piperidine-4-carboxylic acid, dioxane and 10-hydroxycamptothecin were synthesized according to method A to obtain compound 9-(1-piperidine-4-carboxylic acid)methyl-10-hydroxycamptothecin.
- Paraformaldehyde, 4-aminotetrahydropyran, dioxane and 10-hydroxycamptothecin were synthesized according to method A to obtain compound 9-(tetrahydropyran-4-amine)methyl-10-hydroxycamptothecin.
- Test Example 1 Inhibitory activity of compounds on cancer cell growth
- Human esophageal cancer cells OE33, human breast adenocarcinoma cells SK-BR-3 and human gastric cancer cells NCI-N87 were cultured in RPMI1640 (Cellmax) containing 10% fetal calf serum (Cellmax). Dilute the tumor cells in the exponential growth phase to 1 ⁇ 10 5 cells/mL with culture medium, add 100 ⁇ L per well to a 96-well cell culture plate, and place them back in a 37°C, 5% CO 2 incubator for overnight culture.
- IC 50 value "++++” means IC 50 ⁇ 50nM;"+++” means IC 50 is between 50nM-100nM; "++” means IC 50 is between 100-500nM; " +” means IC 50 >500nM.
- the example compounds provided by the present invention have a good inhibitory effect on the growth of cancer cells such as esophageal cancer cell OE33, breast adenocarcinoma cell SK-BR-3, and gastric cancer cell NCI-N87.
- Some compounds such as compounds 10 and 17
- the IC 50 values of , 19 for inhibiting the growth of cancer cells in this 3 group are all less than 100nM, and they have broad-spectrum anti-cancer activity.
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Abstract
本发明提供一种新型喜树碱衍生物类化合物、其药学上可接受的盐、立体异构体或前药,及其制备方法和用途,所述化合物具有式(I)所示结构,其具有较好的抗癌活性。
Description
本发明涉及医药领域,具体涉及一系列结构新颖的喜树碱衍生物及其制备方法和应用。
喜树碱(Camptothecin,CPT)最初由美国科学家Wall和Wani从中国植物喜树中提取得到的天然产物,喜树碱,是一种水不溶性、具有细胞毒性的喹啉类生物碱,具有广谱的抗肿瘤活性。其作用机制被认为是结合到拓扑异构酶Top1和DNA形成复合物,抑制Top1活性,阻断DNA复制和蛋白质的合成,从而导致细胞凋亡。喜树碱对胃癌、食管癌、贲门癌、结肠癌、直肠癌、原发性肝癌、急性和慢性粒细胞性白血病、绒毛膜上皮癌、肺癌、膀胱癌等都具有显著的疗效。尽管其具有优异的抗肿瘤活性,至今只有2个喜树碱类化合物在全球范围内被开发成抗肿瘤药物,即可用于肠癌和小细胞肺癌(SCLC)的伊立替康(Irinotecan)以及可用于肺癌和卵巢癌的托泊替康(Topotecan),而另一个喜树碱衍生物贝洛替康(Belotecan)只在韩国被批准用于SCLC和卵巢癌的治疗。喜树碱由于其具有的细胞毒性、难溶性以及耐药性,阻碍了其被更广泛地应用于肿瘤的治疗对其产生耐药性。
因此,开发低毒性、水溶性和抗耐药性的喜树碱衍生物类药物具有必要性和广阔的应用价值。
发明内容
本发明的目的在一提供一种结构新颖的的具有抗癌活性的喜树碱衍生物。
本发明的一方面,提供一种式(I)化合物或其药学上可接受的盐、立体异构体或前药:
式中,
R为-CH2NR1R2,其中,R1和R2各自独立地选自氢、羟基、C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、4至8元芳基或-NRaRb,所述C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、4至8元芳基或-NRaRb任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧基、C1-C6烷氧羰基、-O-(C1-C3烷基)-NRaRb或4至8元杂环烷基的取代基取代,条件是,R1、R2不同时为氢或甲基;或,
R1、R2和与其相连的N原子共同形成4至8元环烷基、4至8元杂环烷基、4至8元芳基或9至12元氮杂螺环烷基,所述4至8元环烷基、4至8元杂环烷基、4至8元芳基或9至12元氮杂螺环烷基任选地被选自羟基、氨基、羧基、C1-C6烷氧基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2、-NRaRb或-C(O)Rc的取代基取代;或,
R、其邻位的羟基及其相连的苯环上的C原子共同形成4至8元杂环烷基,所述4至8元杂环烷基任选地被选自C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、-NRaRb或4至8元杂环烷基的取代基取代,所述C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、-NRaRb或4至8元杂环烷基任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧基或C1-C6烷氧羰基的取代基取代,条件是,R1、R2至少有一个为H。
Ra和Rb各自独立地选自H、C1-C6烷基或C1-C6烷氧羰基。
Rc选自氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。
在一实施方案中,式(I)化合物中,R为-CH2NR1R2,其中,R1和R2各自独立地选自氢、羟基、C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基或-NRaRb;所述C1-C6烷基任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧羰基、-O-(C1-C3烷基)-NRaRb或4至8元杂环烷基的取代基取代;其中,所述C3-C6环烷基或4至8元杂环烷基任选地被选自羟基、C1-C3烷氧基或C1-C6烷氧羰基的取代基取代,条件是,R1、R2不同时为氢或甲基;或,
R1、R2和与其相连的N原子共同形成4至8元杂环烷基或9至12元氮杂螺环烷基,所述4至8元杂环烷基任选地被选自羟基、氨基、羧基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;或,
R、其邻位的羟基及其相连的苯环上的C原子共同形成4至8元杂环烷基,所述4至8元杂环烷基任选地被选自卤素取代的C1-C6烷基、C3-C6环烷基或4至8元杂环烷基的取代基取代,条件是,R1、R2至少有一个为H。
在一实施方案中,Ra和Rb各自独立地选自H、甲基或叔丁氧羰基。
在一实施方案中,Rc选自氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。
在一实施方案中,式(I)化合物中,R为-CH2NHR1,R1选自氢、羟基、C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基或-NRaRb,所述C1-C6烷基任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧羰基、-O-(C1-C3烷基)-NRaRb或4至8元杂环烷基的取代基取代,所述C3-C6环烷基或4至8元杂环烷基任选地被选自羟基、C1-C3烷氧基或C1-C6烷氧羰基的取代基取代,条件是,R1不为氢;或,
R、其邻位的羟基及其相邻的苯环上的C原子共同形成4至8元杂环烷基,所述4至8元杂环烷基任选地被选自卤素取代的C1-C6烷基、C3-C6环烷基或4至8元杂环烷基的取代基取代。
在一实施方案中,Ra和Rb各自独立地选自H、甲基或叔丁氧羰基。
在一实施方案中,R1和R2各自独立地选自氢、羟基、甲基、乙基、丙基、异丙基、甲氧基、乙氧基、丙氧基、环丙烷基、环戊烷基、环己烷基、含1至两个N原子作为环原子的5或6元杂环烷基、含1至3个选自N或O的杂原子作为环原子的5或6元杂环烷基或-NRaRb,其中,所述,甲基、乙基、丙基或异丙基任选地被选自卤素、羟基、氨基、羧基、甲氧羰基、乙氧羰基、叔丁基烷氧羰基、甲氧基-NRaRb、乙氧基-NRaRb、吡咯烷基、哌啶基或哌嗪基的取代基取代;所述环丙烷基、环戊烷基、环己烷基、含1至两个N原子作为环原子的5或6元杂环烷基或含1至3个选自N或O的杂原子作为环原子的5或6元杂环烷基任选地被选自羟基、甲氧基、乙氧基、丙氧基或甲氧羰基、乙氧羰基或叔丁基烷氧羰基的取代基取代,条件是,R1、R2不同时为氢或甲基。
在一实施方案中,R1、R2和与其相连的N原子共同形吡咯烷基、哌啶基、哌嗪基或11元氮杂螺环烷基,所述吡咯烷基、哌啶基或哌嗪基或11元氮杂螺环烷基任选地被选自羟基、氨基、羧基、甲氧羰基、乙氧羰基、叔丁基烷氧羰基、甲基、乙基、丙基、异丙基、甲氧基、乙氧基、丙氧基、-O-NH2或-C(O)Rc的取代基取代。
在一实施方案中,R、其邻位的羟基及其相邻的苯环上的C原子共同形成吡咯烷基、哌啶基或哌嗪基或噁嗪基,所述吡咯烷基、哌啶基、哌嗪基或噁嗪基任选地被选自甲基、乙基、丙基、异丙基、环丙烷基、环戊烷基、环己烷基、吡咯烷基、哌啶基、哌嗪基或噁嗪基的取代基取代。
在一实施方案中,式(I)化合物中,R1和R2各自独立地选自氢、羟基、氨基、甲基、乙基、异丙基、甲氧基、乙氧基、三氟乙基、环丙基、-(CH2)2OH、-(CH2)2-4NH2、-CH(CH3)COOH、-CH(CH3)CH2OCH3、-CH(CH3)CH2OH、-(CH2)2CH3、-NHBoc、N(CH3)Boc、-CH(CH3)Boc、-(CH2)2O(CH2)2NHBoc、
条件是,R1、R2不同时为氢或甲基;或,
R1、R2和与其相连的N原子共同形成吡咯烷、哌啶、哌嗪或3,9-二氮螺环十一烷(例如),所述吡咯烷、哌啶、哌嗪或3,9-二氮螺环十一烷任选地被选自羟基、氨基、甲基、甲氧基、羧基、叔丁氧羰基、-O-NH2或-C(O)Rc的取代基取代;或,
R、其邻位的羟基与其相邻的苯环上的C原子共同形成1,3-噁嗪烷,所述1,3-噁嗪烷任选地被选自三氟甲基、环丙基或吗啉-4基的取代基取代,条件是,R1、R2至少有一个为H。Rc选自氨基、甲基、甲氧基、羟乙基或环丙基。
在一实施方案中,在一个实施方案中,R、其邻位的羟基与其相邻的苯环上的C原子共同形成所述任选地被选自C1-C6烷基或4至8元杂环烷基的取代基取代。
在一个实施方案中,R、其邻位的羟基与其相邻的苯环上的C原子共同形成所述任选地被选自三氟甲基、环丙基或吗啉-4基的取代基取代,条件是,R1、R2至少有一个为H。
在一实施方案中,R1、R2和与其相连的N原子共同形成吡咯烷、哌啶、哌嗪或3,9-二氮螺环十一烷,所述吡咯
烷、哌啶、哌嗪或3,9-二氮螺环十一烷任选地被选自氨基、甲氧基、-O-NH2、羧基、叔丁氧羰基、-C(O)-NH2、-C(O)OCH3、-C(O)CH3、-C(O)-环丙基、-C(O)CH2OH的取代基取代。
在一个实施方案中,R为-CH2NHR1,R1选自氢、羟基、氨基、甲基、乙基、异丙基、甲氧基、乙氧基、三氟乙基、环丙基、-(CH2)2OH、-(CH2)2-4NH2、-CH(CH3)COOH、-CH(CH3)CH2OCH3、-CH(CH3)CH2OH、-(CH2)2CH3、-NHBoc、N(CH3)Boc、-CH(CH3)Boc、-(CH2)2O(CH2)2NHBoc、
条件是,R1不为氢;或,
R、其邻位的羟基与其相邻的苯环上的C原子共同形成所述任选地被选自三氟甲基、环丙基或吗啉-4基的取代基取代。
在一实施方案中,R、其邻位的羟基与其相邻的苯环上的C原子共同形成所述任选地被三氟甲基或吗啉-4基的取代基取代。
在一实施方案中,R选自以下结构:
在一实施方案中,R选自以下结构:
在一实施方案中,R选自以下结构:
本发明中,上述化合物中,R不包括以下结构:-CH2NHCH2CH2OH、-CH2NHCH2CH2N(CH3)2、
并且,式(I)化合物不包括以下化合物:
在一实施方案中,式(I)化合物为式(II)结构化合物:
式中,
Y环选自4至8元含氮饱和杂环、4至8元含氮芳香环或9至12元含氮饱和螺环,所述4至8元含氮饱和环、4至8元含氮芳香环或9至12元含氮饱和螺环任选地进一步被选自羟基、氨基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;优选地,所述C1-C6烷氧羰基为叔丁氧羰基。
优选地,Y环选自4至8元含氮饱和环或9至12元含氮饱和螺环,所述4至8元含氮饱和环任选地被选自羟基、氨基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;优选地,所述C1-C6烷氧羰基为叔丁氧羰基。
Rc选自羟基、氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。
优选地,Rc选自羟基、氨基、甲基、甲氧基、羟甲基、叔丁基氧基或环丙基。
在一实施方案中,式(II)化合物为式(IIa)、式(IIb)或式(IIc)结构化合物:
其中,Rc选自羟基、氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。
优选地,Rc选自羟基、氨基、甲基、甲氧基、羟甲基、叔丁基氧基或环丙基。
式中,
Y环选自4至8元含氮饱和杂环、4至8元含氮芳香环或9至12元含氮饱和螺环,所述4至8元含氮饱和环、4至8元含氮芳香环或9至12元含氮饱和螺环任选地进一步被选自羟基、氨基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;优选地,所述C1-C6烷氧羰基为叔丁氧羰基。
其中,Rc定义同式(I)化合物。
优选地,Y环选自4至8元含氮饱和环或9至12元含氮饱和螺环,所述4至8元含氮饱和环任选地被选自羟基、氨基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;优选地,所述C1-C6烷氧羰基为叔丁氧羰基。
Rc’选自羟基、氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。
优选地,Rc’选自羟基、氨基、甲基、甲氧基、羟甲基、叔丁基氧基或环丙基。
在一实施方案中,式(II)化合物为式(IIa)、式(IIb)或式(IIc)结构化合物:
其中,Rc’选自羟基、氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。
优选地,Rc’选自羟基、氨基、甲基、甲氧基、羟甲基、叔丁基氧基或环丙基。
本发明提供以下化合物:
本发明的另一方面,提供一种上述化合物的制备方法,其包括选自以下反应路线的步骤:
反应路线1:
将10-羟基喜树碱、甲醛或多聚甲醛和胺类化合物进行9号位的曼尼希反应,得到式(I)化合物;
其中,胺类化合物为NHR1R2,R、R1和R2各自定义同前所述。
反应路线2:
将9-甲酰基-10-羟基喜树碱、胺类化合物和氰基硼氢化钠进行还原胺化反应,得到式(I)化合物;
其中,胺类化合物为NHR1R2,R、R1和R2各自定义同前所述。
在一实施方案中,所述9-甲酰基-10-羟基喜树碱通过10-羟基喜树碱和六亚甲基四胺反应得到。
在一实施方案中,反应路线1所述的曼尼希反应中,多聚甲醛或甲醛的用量为1.0-5.0摩尔当量;优选地,为1.0-3.0摩尔当量;更优选地,为1.2-2.2摩尔当量。
优选地,反应路线1中胺类化合物的用量为1.0-5.0摩尔当量;更优选地,为1.0-2.0摩尔当量;更优选地,为1.2-1.6摩尔当量。
在一实施方案中,反应路线2所述的还原胺化反应中,所述还原剂为氰基硼氢化钠。
优选地,反应路线2中,胺类化合物的用量为1.0-3.0摩尔当量;更优选地,为1.0-1.2摩尔当量。
优选地,氰基硼氢化钠的用量为1.0-3.0摩尔当量;更优选地,为1.0-2.0摩尔当量;更优选地,为1.2-1.5摩尔当量。
本发明的另一方面,提供一种抗体药物偶联物,包含小分子药物、连接子抗体,其以上述化合物或其药学上可接受的盐、立体异构体或前药为小分子药物。
本发明的另一方面,提供一种药物组合物,其包括上述化合物或其药学上可接受的盐、立体异构体、前药或上述抗体药物偶联物。
所述药物组合物进一步还包括药学上可接受的辅料。
本发明的另一方面,提供一种上述化合物或其药学上可接受的盐、立体异构体、前药、抗体药物偶联物或药物组合物在制备用于治疗癌症的药物中的应用。
在一实施方案中,所述癌症包括胃癌、食管癌、贲门癌、乳腺癌、卵巢癌、结肠癌、直肠癌、原发性肝癌、急性和慢性粒细胞性白血病、绒毛膜上皮癌、肺癌、膀胱癌、肠癌和小细胞肺癌;优选地,所述癌症为食管癌、乳腺癌和胃癌。
本发明的另一方面,提供一种治疗癌症的方法,其包括向有需要的患者施用上述化合物或其药学上可接受的盐、立体异构体、前药、抗体药物偶联物或药物组合物的步骤。
在一实施方案中,上述化合物或其药学上可接受的盐、立体异构体、前药、抗体药物偶联物或药物组合物的施用量为治疗有效量。
本发明提供的喜树碱衍生物化合物对食管癌细胞OE33、乳腺腺癌细胞SK-BR-3和胃癌细胞NCI-N87等癌细胞具有显著的抑制活性。
值得注意的是,本发明同时提供了前述化合物的制备方法,该些方法具有令人惊讶的较高的产率。
1.定义
在本发明中,除非另有说明,否则本文中使用的科学和技术名词具有本领域技术人员所通常理解的含义。并且,本文中所用的相关术语和实验室操作步骤均为相应领域内广泛使用的术语和常规步骤。同时,为了更好地理解本发明,下面提供相关术语的定义和解释。
如本文使用的和除非另作说明,术语“包含”,“包括”,“具有”,“含有”,包括其语法上的等同形式,通常应当理解为开放式且非限制性的,例如,不排除其他未列举的要素或步骤。
本发明化合物可以是不对称的,例如,具有一个或多个立体异构体。除非另有说明,所有立体异构体都包括,如对映异构体和非对映异构体。所述的立体异构体包括几何异构(如顺式、反式结构)和光学异构(如对映异构体),以单体、消旋体、外消旋混合物及其药学上可接受的盐组成的治疗物。本发明的含有不对称碳原子的化合物可以以光学活性纯的形式或外消旋形式被分离出来。光学活性纯的形式可以从外消旋混合物拆分,或通过使用手性原料或手性试剂合成。外消旋体、非对映异构体、对映异构体都包括在本发明的范围之内。
本发明化合物还包括互变异构体形式。互变异构体形式来源于一个单键与相邻的双键交换并一起伴随一个质子的迁移。
本文中的数字范围,是指给定范围中的各个整数。例如,“C1-C6”是指该基团可具有1个碳原子、2个碳原子、3个碳原子、4个碳原子、5个碳原子或6个碳原子;“C3-C6”是指该基团可具有3个碳原子、4个碳原子、5个碳原子或6个碳原子。
术语“被取代的”是指特定原子或基团上的任意一个或多个氢原子被取代基取代,只要特定原子或基团的价态是正常的并且取代后的化合物是稳定的。除非另有规定,取代基的种类和数目在化学上可以实现的基础上可以是任意的。
当任何变量(例如Rn)在化合物的组成或结构中出现一次以上时,其在每一种情况下的定义都是独立的。因此,例如,如果一个基团被1-5个R所取代,则所述基团可以任选地至多被5个R所取代,并且每种情况下的R都有独立的选项。此外,取代基和/或其变体的组合只有在这样的组合会产生稳定的化合物的情况下才是被允许的。
术语“烷基”指饱和脂肪族烃基团,其为包含1至20个碳原子的直链或支链基团,优选含有1至8个碳原子的烷基,更优选1至6个碳原子的烷基,最优选1至3个碳原子的烷基。非限制性实例包括甲基、乙基、正丙基、异丙基、正丁基、异丁基、叔丁基、仲丁基、正戊基、1,1-二甲基丙基、1,2-二甲基丙基、2,2-二甲基丙基、1-乙基丙基、2-甲基丁基、3-甲基丁基、正己基、1-乙基-2-甲基丙基、1,1,2-三甲基丙基、1,1-二甲基丁基、1,2-二甲基丁基、2,2_二甲基丁基、1,3-二甲基丁基、2-乙基丁基、2-甲基戊基、3-甲基戊基、4-甲基戊基、2,3-二甲基丁基、正庚基、2-甲基己基、3-甲基己基、4-甲基己基、5-甲基己基、2,3-二甲基戊基、2,4-二甲基戊基、2,2-二甲基戊基、3,3-二甲基戊基、2-乙基戊基、3-乙基戊基、正辛基、2,3-二甲基己基、2,4-二甲基己基、2,5-二甲基己基、2,2-二甲基己基、3,3-二甲基己基、4,4-二甲基己基、2-乙基己基、3-乙基己基、4-乙基己基、2-甲基-2-乙基戊基、2-甲基-3-乙基戊基、正壬基、2-甲基-2-乙基己基、2-甲基-3-乙基己基、2,2-二乙基戊基、正癸基、2,2-二乙基己基、2,2-二乙基己基,及其各种支链异构体等。更优选的是含有1至6个碳原子的低级烷基,非限制性实施例包括甲基、乙基、正丙基、异丙基、正丁基、异丁基、叔丁基、仲丁基、正戊基、1,1-二甲基丙基、1,2-二甲基丙基、2,2-二甲基丙基、1-乙基丙基、2-甲基丁基、3-甲基丁基、正己基、1-乙基-2-甲基丙基、1,1,2-三甲基丙基、1,1-二甲基丁基、1,2-二甲基丁基、2,2-二甲基丁基、1,3-二甲基丁基、2-乙基丁基、2-甲基戊基、3-甲基戊基、4-甲基戊基、2,3-二甲基丁基等。烷基可以是取代的或非取代的,当被取代时,取代基可以在任何可使用的连接点上被取代,所述取代基优选为一个或多个以下基团,其独立地选自烷基、烯基、炔基、烷氧基、烷硫基、烷基氨基、卤素、巯基、羟基、硝基、氰基、环烷基、杂环烷基、芳基、杂芳基、环烷氧基、杂环烷氧基、环烷硫基、杂环烷硫基、氧代基、羧基或羧酸酯基,本发明优选甲基、乙基、异丙基、叔丁基、卤代烷基、氘代烷基、烷氧基取代的烷基和羟基取代的烷基。
术语“杂环基”指饱和或部分不饱和单环或多环环状烃取代基,其包含3至20个环原子,其中一个或多个环原子为选自氮、氧或S(O)m(其中m是整数0至2)的杂原子,但不包括-O-O-、-O-S-或-S-S-的环部分,其余环原子为碳。优选包含3至12个环原子,其中1-4个是杂原子;更优选包含3至8个环原子;最优选包含3至8个环原子;进一步优选包含1-3氮原子的3-8元杂环基,任选地,被1-2个氧原子、硫原子、氧代基取代,包括含氮单环杂环基、含氮螺杂环基或含氮稠杂环基。
术语“杂环烷基”指环骨架上含有杂原子的饱和环取代基,其中一个或多个(优选为1至4个或1至3个或1至2个)环原子为选自N、O、S的杂原子。
术语“芳基”指具有共轭的π电子体系的6至14元全碳单环或稠合多环(也就是共享毗邻碳原子对的环)基团,优选为6至12元,例如苯基和萘基。
芳基可以是取代的或非取代的,当被取代时,取代基优选为一个或多个以下基团,其独立地选自烷基、烯基、炔基、烷氧基、烷硫基、烷基氨基、卤素、琉基、氢基,硝基、氰基、环烷基、杂环烷基、芳基、杂芳基、环烷氧基、杂环烷氧基、环烷硫基、杂环烷硫基、羧基或羧酸酯基。
术语“烷氧基”指-O-(烷基)和-O-(非取代的环烷基),其中烷基的定义如上所述。烷氧基的非限制性实例包括:甲氧基、乙氧基、丙氧基、丁氧基、环丙氧基、环丁氧基、环戊氧基、环己氧基。烷氧基可以是任选取代的或非取代的,当被取代时,取代基优选为一个或多个以下基团,其独立地选自烷基、烯基、炔基、烷氧基、烷硫基、烷基氨基、卤素、疏基、氢基、硝基、氯基、环烷基、杂环烷基、芳基、杂芳基、环烷氧基、杂环烷氧基、环烷硫基、杂环烷硫基、羧基或羧酸酯基。
本发明所述的氢原子均可被其同位素氘所取代。
“任选”或“任选地”意味着随后所描述的事件或环境可以但不必发生,该说明包括该事件或环境发生或不发生的场合。例如,“任选被烷基取代的杂环基团”意味着烷基可以但不必须存在,该说明包括杂环基团被烷基取代的情形和杂环基团不被烷基取代的情形。
“取代的”指基团中的一个或多个氢原子,优选为最多5个,更优选为1-3个氢原子彼此独立地被相应数目的取代基取代。不言而喻,取代基仅处在它们的可能的化学位置,本领域技术人员能够在不付出过多努力的情况下确定(通过实验或理论)可能或不可能的取代。例如,具有游离氢的氨基或羟基与具有不饱和(如烯属)键的碳原子结合时可能是不稳定的。
是指化学键连接处。
药物或药物组合物
如本文所用,“药学上可接受的盐”是指相应的胺类化合物和无机酸或有机酸形成的盐,或相应的羧酸类化合物和碱金属或碱土金属形成的盐或和有机胺形成的盐。其中,无机酸包括但不限于盐酸,氢溴酸,氢碘酸,硫酸,磷酸等;有机酸包括但不限于乙酸,丙酸,丁酸,苯甲酸,甲磺酸,苯磺酸,对甲苯磺酸,草酸,丁二酸,乳酸,柠檬酸,琥珀酸,葡萄糖酸,马来酸,延胡索酸,酒石酸等;碱金属或碱土金属盐包括但不限于钠、钾、钙、镁盐等;有机胺盐包括但不限于氨、甲胺、乙胺、丙胺、异丙胺、二甲胺、二乙胺、三甲胺、三乙胺、叔丁胺、乙二胺、乙醇胺、二乙醇胺、三乙醇胺、吗啉、哌啶、哌嗪、氨基酸等组成的盐。
如本文所用,“前体”是指化合物以适当的给药方式进入人体后,前体化合物在病人体内进行代谢或简单的化学变化而转变成本发明通式1中所包含的化合物以及相应的盐的形式。化合物的前体包括但不限于各种羧酸酯、碳酸酯、磷酸酯、硫酸酯、磺酸酯、氨基酸酯、葡萄糖酸酯以及各种酰胺、缩醛、半缩醛、碳酸酰胺酯等形式。
本发明的药物或药物组合物可以经口地、局部地、肠胃外地或粘膜地(例如,含服地、通过吸入或直肠地)以包含常规的非-毒性药学可接受的载体的剂量单位配制剂施用。通常希望使用口服途径。所述活性试剂可以经口地以胶囊、片剂等形式(参见Remington:The Science and Practice of Pharmacy,20th Edition)施用。
对于以片剂或胶囊形式的口服给药,活性药物组分可以与非-毒性的、药学可接受的辅料如粘结剂(例如,预胶化的玉米淀粉、聚乙烯吡咯烷酮或羟丙基甲基纤维素);填料(例如,乳糖、蔗糖、葡萄糖、甘露糖醇、山梨糖醇和其它还原性和非-还原性糖类、微晶纤维素、硫酸钙或磷酸氢钙);润滑剂(例如,硬脂酸镁、滑石粉或硅土、硬脂酸、硬脂基富马酸酯钠、甘油二十二烷酸酯、硬脂酸钙等);崩解剂(例如,马铃薯淀粉或羟乙酸淀粉钠);或润湿剂(例如,月桂基硫酸钠)、着色剂和调味剂、明胶、甜味剂、天然和合成的胶(如阿拉伯胶、黄蓍胶或藻朊酸盐)、缓冲盐、羧甲纤维素、聚乙二醇、蜡、等。对于以液体形式的口服给药,所述药物组分可以与非-毒性、药学可接受的惰性载体(例如,乙醇、甘油、水)、防沉降剂(例如,山梨糖醇糖浆、纤维素衍生物或氢化的可食用脂肪)、乳化剂(例如,卵磷脂或阿拉伯胶)、非-水性载体(例如,扁桃油、油酯类、乙醇或经分馏的植物油)、保藏剂(例如,p-羟基苯甲酸甲酯或p-羟基苯甲酸丙酯或山梨酸)等组合。还可以加入稳定剂如抗氧化剂(BHA、BHT、桔酸丙酯、抗坏血酸钠、柠檬酸)以稳定所述剂型。
包含作为活性化合物的片剂可以通过本领域熟知的方法包衣。包含作为活性化合物的式I化合物的本发明的所述组合物还可以引入小珠、微球或微胶囊,例如由聚乙醇酸/乳酸(PGLA)构建的。用于口服给药的液体的制剂可以采取例如溶液,糖浆剂,乳液或混悬液的形式或者它们可以呈现为在使用前用水或其它适宜的辅料重构的干产品。用于口服给药的制剂可以适宜地配制以使活性化合物受控或延迟地释放。
术语“治疗”包括抑制、缓解、预防或消除与所治疗的疾病、病症或失调相关的一种或多种症状或副作用。
术语“抑制”的使用是相对于对照的。本领域技术人员将容易地确定用于每个实验的适当对照。例如,将用化合物处理的受试者或细胞中的降低了的反应与未用化合物处理的受试者或细胞中的反应进行比较。
术语“药物组合物”意指包含本发明所述化合物或其药学上可接受的盐,以及依施用方式和剂型的性质而定的至少一种选自以下药学上可接受的成分的组合物,包括但不限于:载体、稀释剂、佐剂、赋形剂、防腐剂、填充剂、崩解剂、润湿剂、乳化剂、悬浮剂、甜味剂、矫味剂、香味剂、抗菌剂、抗真菌剂、润滑剂、分散剂、温敏材料、温度调节剂、黏附剂、稳定剂、助悬剂等。
术语“有效量”或“治疗有效量”是指无毒的但能达到预期效果的药物或药剂的足够用量。在本发明的实施方式中,在根据本发明对患者进行治疗时,给定药物的量取决于诸多因素,如具体的给药方案、疾病或病症类型及其严重性、需要治疗的受治疗者或宿主的独特性(例如体重),但是,根据特定的周围情况,包括例如已采用的具体药物、给药途径、治疗的病症、以及治疗的受治疗者或宿主,施用剂量可由本领域已知的方法常规决定。通常,就成人治疗使用的剂量而言,施用剂量典型地在0.02-5000mg/天,例如约1-1500mg/天的范围。该所需剂量可以方便地被表现为一剂、或同时给药的(或在短时间内)或在适当的间隔的分剂量,例如每天二、三、四剂或更多分剂。本领域技术人员可以理解的是,尽管给出了上述剂量范围,但具体的有效量可根据患者的情况并结合医师诊断而适当调节。
术语“抗体药物偶联物(antibody-drug conjugate,ADC)”抗体药物偶联物是通过一个化学链接将具有生物活性的小分子药物连接到单抗上,单抗作为载体将小分子药物靶向运输到目标细胞中。
如本文所用,术语“减少”、“抑制”、“减轻”或“减小”的使用是相对于对照的。本领域技术人员将容易地确定用于每个实验的适当对照。例如,将用化合物处理的受试者或细胞中的降低了的反应与未用化合物处理的受试者或细胞中的反应进行比较。
如无特别说明,本发明具体实施方式中使用的原料、设备均为已知产品,通过购买市售产品获得。
制备例1:
通用合成方法A:将甲醛(1-3eq)、胺类化合物(1-2eq)、二氧六环加入到反应瓶中,搅拌下加热至50-70℃反应1h,冷却至室温后加入10-羟基喜树碱(1eq),升高温度至70-90℃继续搅拌反应4h,冷却,过滤,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,硅胶柱层析纯化(DCM:MeOH=90:1-10:1)得目标化合物。除Boc-保护基团:将上述得到的带Boc保护基的化合物加入反应瓶中,加入乙酸乙酯溶解产物,在0℃下搅拌,加入4M HCl的乙酸乙酯溶液,室温搅拌2h,浓缩,重结晶得最终化合物。
通用合成方法B:将10-羟基喜树碱(1eq)和六亚甲基四胺(1.2-2.0eq)在TFA中,在氩气下搅拌加热50至70℃反应12小时,浓缩反应混合物,加入H2O,搅拌1小时,用饱和NaHCO3水溶液调节pH=8-9,用乙酸乙酯萃取,水相用2N HCl酸化至pH=4-5,用乙酸乙酯萃取,Na2SO4干燥,硅胶柱层析纯化,MeOH/DCM(1:50)洗涤,浓缩得到9-甲酰化喜树碱产物。
将9-甲酰基-10-羟基喜树碱(1eq),胺类化合物(2eq),甲醇/二氯甲烷加入到反应瓶中,室温反应30分钟,加入氰基硼氢化钠继续在室温搅拌反应6h,过滤,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,浓缩,硅胶柱层析纯化,DCM:MeOH=90:1-10:1洗脱得目标化合物。
脱除Boc-保护基团:同上述方法A,重结晶得最终化合物。
实施例1:9-(1-(4-氨基哌啶))甲基-10-羟基喜树碱(1)
方法A:将多聚甲醛(8.3mg,0.274mmol)、4-Boc氨基哌啶(27mg,0.137mmol)和二氧六环(10mL),搅拌下加热至70℃反应2h,冷却至室温后加入10-羟基喜树碱(25mg,0.07mmol),升高温度至110℃继续搅拌反应6h,冷却,过滤,乙酸乙酯萃取,无水硫酸钠干燥,浓缩过柱,洗脱剂DCM:MeOH=90:1-10:1得目标化合物9-(4-Boc氨基哌啶)甲基-10-羟基喜树碱(37.1mg,产率93.7%);LC/MS(M+H):577.11(计算值:576.26)。
将上述9-(4-Boc-氨基哌啶)甲基-10-羟基喜树碱(37.1mg)溶解于乙酸乙酯(2mL)中,在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h。浓缩溶剂,乙酸乙酯/石油醚重结晶得红色固体产物化合物9-(1-(4-氨基哌啶))甲基-10-羟基喜树碱(30.1mg,产率90.9%);1H NMR(500MHz,DMSO-d6)δ8.84(s,1H),8.37-8.15(m,3H),8.10(d,J=9.2Hz,1H),7.61(d,J=9.2Hz,1H),7.28(s,1H),6.35(s,3H),5.42(s,2H),5.26(s,2H),4.48(s,2H),3.28
(d,J=11.4Hz,1H),2.95(s,2H),2.03(d,J=12.9Hz,2H),1.87(dt,J=16.2,7.1Hz,2H),1.83-1.68(m,2H),0.88(t,J=7.3Hz,3H);LC/MS(M+H):476.99(计算值:476.21)。
实施例2:9-(1-哌嗪)甲基-10-羟基喜树碱(2)
将多聚甲醛和1-Boc哌嗪、二氧六环和10-羟基喜树碱按照方法A制备得到化合物9-(4-Boc-哌嗪-1-)甲基-10-羟基喜树碱(产率:92.2%);LC/MS(M+H):563.05(计算值:562.24)。
将上述9-(4-Boc-哌嗪-1-)甲基-10-羟基喜树碱(35.6mg)溶解于乙酸乙酯(2mL),中,在0℃下搅拌、加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩,乙酸乙酯/石油醚重结晶得固体产物化合物9-(1-哌嗪)甲基-10-羟基喜树碱(26.8mg,产率91.2%);1H NMR(500MHz,DMSO-d6)δ11.59(s,1H),9.93(s,2H),9.10(s,1H),8.13(dt,J=9.2,3.0Hz,1H),7.76(d,J=9.2Hz,1H),7.26(t,J=1.8Hz,1H),5.39(s,2H),5.19-5.15(m,2H),4.80(s,2H),3.73(s,2H),1.97(s,1H),1.90(s,2H),1.86(dd,J=10.7,7.1Hz,2H),0.87(t,J=7.3Hz,3H);LC/MS(M+H):462.97(计算值:462.19)。
实施例3:9-(1-(4-氨氧基哌啶))甲基-10-羟基喜树碱(3)
2-(哌啶-4-氧)异二氢吲哚-1,3-二酮的制备:将三苯基膦(1.93g,7.34mmol)和N-羟基邻苯二甲酰亚胺(1.20g,7.34mmol)溶解在THF(10mL)中,在0℃下搅拌,加入1-Boc-4-羟基哌啶(0.500g,4.90mmol)和偶氮二甲酸二乙酯(3.34mL,7.34mmol),缓慢升至室温搅拌过夜,减压浓缩溶剂,硅胶柱层析纯化,用石油醚/乙酸乙酯(90/10至50/50)洗脱,得到产物2-(1-Boc-哌啶-4-氧)异二氢吲哚-1,3-二酮(1.8g,产率72%);LC/MS(M+H):347.02(计算值:346.15)。
将2-(1-Boc-哌啶-4-氧)异二氢吲哚-1,3-二酮(1.8g,5.2mmol)溶解于乙酸乙酯(5mL),加入4M HCl的乙酸乙酯溶液(2mL),室温搅拌1小时后浓缩,得到2-(哌啶-4-氧)异二氢吲哚-1,3-二酮盐酸盐(1.31g,产率89%);LC/MS(M+H):247.07(计算值:246.10)。
将多聚甲醛、2-(哌啶-4-氧)异二氢吲哚-1,3-二酮盐酸盐、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(2-(哌啶-4-氧)异二氢吲哚-1,3-二酮-1-)甲基-10-羟基喜树碱(产率66.5%);LC/MS(M+H):623.05(计算值:622.21)。
将9-(2-(哌啶-4-氧)异二氢吲哚-1,3-二酮-1-)甲基-10-羟基喜树碱加入反应瓶中,加入乙醇和85%的水合肼(1.5eq),在室温下搅拌1小时,浓缩,用含4M HCl乙酸乙酯转化成盐酸盐,乙酸乙酯/石油醚重结晶得红色固体化合物9-(1-(4-氨氧基哌啶))甲基-10-羟基喜树碱(产率:85.6%);1H NMR(600MHz,DMSO-d6)δ11.50(s,1H),11.01(s,2H),10.19(s,1H),9.07(s,1H),8.16(d,J=9.2Hz,1H),7.74(dd,J=9.2,6.3Hz,1H),7.28(s,1H),6.55(s,1H),5.42(s,2H),5.24(s,2H),4.74(s,2H),4.41(d,J=43.2Hz,1H),3.30(s,2H),3.06(dd,J=7.3,4.8Hz,1H),2.19(s,3H),1.88(dp,J=21.6,7.2Hz,2H),1.55(s,1H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):493.00(计算值:492.20)。
实施例4:9-(O-乙基羟胺)甲基-10-羟基喜树碱(4)
将9-甲酰基-10-羟基喜树碱、O-乙基羟胺盐酸盐、甲醇和氰基按照方法B合成得到化合物9-(邻乙基羟胺)甲基-10-羟基喜树碱(产率56.3%);1H NMR(600MHz,DMSO-d6)δ11.37(s,1H),8.87(s,1H),8.69(s,2H),8.15(d,J=9.1Hz,1H),7.64(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.43(s,2H),5.27(s,2H),4.57(s,2H),3.13(q,J=7.6,7.1Hz,2H),1.87(ddt,J=21.2,14.5,7.2Hz,2H),1.27(t,J=7.2Hz,3H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):438.08(计算值:437.16)。
实施例5:9-(1-(4-甲氧基哌啶))甲基-10-羟基喜树碱(5)
将多聚甲醛、4-羟甲基哌啶、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(4-甲氧基哌啶-1-)甲基-10-羟基喜树碱(产率81.5%);1H NMR(500MHz,DMSO-d6)δ11.39(s,1H),9.30(s,1H),8.94(s,1H),8.19(d,J=9.2Hz,1H),7.64(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.43(s,2H),5.29(s,2H),4.72(s,2H),3.36(s,5H),2.13(s,1H),2.04-1.81(m,4H),1.60(s,1H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):492.06(计算值:491.21)。
实施例6:9-(1-(4-环丙基羰酰哌嗪))甲基-10-羟基喜树碱(6)
将多聚甲醛、1-环丙基羰酰哌嗪、二氧六环和10-羟基喜树碱按照合成方法A得到化合物9-(4-环丙基羰酰哌嗪-1-)甲基-10-羟基喜树碱(产率91.1%);1H NMR(500MHz,DMSO-d6)δ8.74(d,J=9.0Hz,1H),7.96(t,J=8.9Hz,1H),7.45(dd,J=9.5,4.6Hz,1H),7.25(d,J=3.3Hz,1H),5.41(s,2H),5.20(d,J=11.3Hz,2H),4.02(d,J=3.8Hz,2H),3.53-3.45(m,4H),3.43-3.39(m,1H),3.37(t,J=6.5Hz,1H),2.58(s,2H),2.02-1.92(m,1H),1.87(dt,J=16.5,7.2Hz,2H),1.46(dd,J=8.5,6.0Hz,1H),1.35-1.27(m,1H),0.89(t,J=7.5Hz,3H),0.82-0.60(m,4H);LC/MS(M+H):531.04(计算值:530.22)。
实施例7:9-(1-(4-乙酰哌嗪))甲基-10-羟基喜树碱(7)
将多聚甲醛、1-乙酰基哌嗪、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(4-乙酰哌嗪-1-)甲基-10-羟基喜树碱(产率79.6%);1H NMR(500MHz,DMSO-d6)δ11.46(s,1H),9.86(s,1H),8.93(s,1H),8.18(d,J=9.2Hz,1H),7.64(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.43(s,2H),5.29(s,2H),4.73(s,2H),3.47(s,7H),2.05(s,3H),1.96-1.78(m,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):505.07(计算值:504.20)。
实施例8:9-(1-(4-氨甲酰哌嗪))甲基-10-羟基喜树碱(8)
将多聚甲醛、哌啶-1-甲酰胺、二氧六环和10-羟基喜树碱按照合成方法A得到化合物9-(4-氨甲酰哌嗪-1-)甲基-10-羟基喜树碱(产率84.2%);1H NMR(500MHz,DMSO-d6)δ8.71-8.61(m,1H),7.98-7.88(m,1H),7.41-7.33(m,1H),7.31-7.25(m,1H),7.25-7.21(m,1H),6.77(s,1H),5.49-5.32(m,2H),5.27-5.13(m,2H),3.47(tdd,J=9.7,6.4,4.2Hz,3H),3.40(t,J=5.3Hz,1H),3.36(td,J=6.6,1.9Hz,1H),3.06-2.93(m,2H),2.29-2.13(m,2H),1.86(dt,J=15.0,7.2Hz,2H),1.76-1.70(m,1H),1.59(td,J=12.7,12.3,3.6Hz,2H),1.51-1.40(m,1H),1.32-1.26(m,1H),0.89-0.85(m,3H);LC/MS(M+H):505.01(计算值:504.20)。
实施例9:9-(1-(4-甲氧基羰酰哌嗪))甲基-10-羟基喜树碱(9)
将多聚甲醛、哌嗪-1-羧酸甲酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(4-甲氧基羰酰哌嗪-1-)甲基-10-羟基喜树碱(产率87.5%);1H NMR(500MHz,DMSO-d6)δ11.42(s,1H),9.73(s,1H),8.92(s,1H),8.17(d,J=9.0Hz,1H),7.63(d,J=9.0Hz,1H),7.29(s,1H),6.52(s,1H),5.43(s,2H),5.29(s,2H),4.71(s,2H),4.03(s,2H),3.64
(s,3H),3.27(s,5H),1.87(m,J=18.2,7.2Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):521.07(计算值:520.20)。
实施例10:9-(N-甲基-N-异丙基氨)甲基-10-羟基喜树碱(1O)
将多聚甲醛、N-甲基丙-2-胺、二氧六环和10-羟基喜树碱按照方法A得到化合物9-(N-甲基异丙胺)甲基-10-羟基喜树碱(产率87.5%);1H NMR(500MHz,DMSO-d6)δ8.65(s,1H),7.90(d,J=9.1Hz,1H),7.30(d,J=9.1Hz,1H),7.23(s,1H),5.40(d,J=2.2Hz,2H),5.17(s,2H),4.19(s,2H),3.08(q,J=6.6Hz,1H),2.24(s,3H),1.87(dq,J=14.8,7.2
Hz,2H),1.14(d,J=6.6Hz,6H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):450.04(计算值:449.20)。
实施例11:9-(N-4-氨基丁基-N-甲基氨)甲基-10-羟基喜树碱(11)
将多聚甲醛、(4-(甲氨基)丁基)-1-氨基甲酸叔丁酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-4-Boc氨基丁基-N-甲基氨)甲基-10-羟基喜树碱(产率82.7%);LC/MS(M+H):579.07(计算值:578.27)。
将9-(N-4-Boc氨基丁基-N-甲基氨)甲基-10-羟基喜树碱溶解于乙酸乙酯,在0℃下搅拌,加入4M HCl的乙酸乙酯溶液,室温搅拌2h,浓缩后重结晶得红色固体化合物9-(N-4-氨基丁基-N-甲基氨)甲基-10-羟基喜树碱(产率88.3%);1H NMR(600MHz,DMSO-d6)8.93-8.84(m,1H),8.73(s,1H),8.19(ddd,J=19.2,9.2,3.4Hz,1H),7.90-7.71(m,2H),7.64(td,J=8.9,8.5,3.7Hz,1H),7.30(s,1H),6.53(s,1H),5.43(s,2H),5.29(s,2H),4.86-4.63(m,1H),2.90-2.79(m,1H),2.71(d,J=32.2Hz,2H),1.87(m,J=21.4,14.3,7.2Hz,2H),1.59(d,J=7.9Hz,1H),1.23(s,1H),0.88(t,J=7.3Hz,3H);LC/MS(M+H):479.04(计算值:478.22)。
实施例12:9-(N-甲基羟乙氨)甲基-10-羟基喜树碱(12)
将多聚甲醛、N-甲基乙醇胺、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-甲基羟乙氨)甲基-10-羟基喜树碱(产率90.7%);1H NMR(500MHz,DMSO-d6)δ11.44(s,1H),9.20(s,1H),8.88(s,1H),8.19(d,J=9.2Hz,1H),7.64(dd,J=9.2,1.9Hz,1H),7.30(s,1H),6.52(s,1H),5.43(s,3H),5.28(s,2H),4.87(s,1H),4.74(s,1H),3.86(s,2H),2.80(s,3H),1.87(dp,J=21.4,7.2Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):452.00(计算值:451.17)。
实施例13:9-(N-甲基-N-氨基乙氨)甲基-10-羟基喜树碱(13)
方法B:将9-甲酰基-10-羟基喜树碱(25mg,0.064mmol)、(2-(甲氨基)乙基)氨基甲酸叔丁酯(10.2mg,0.07mmol)、甲醇(3mL)加入到反应瓶中,搅拌下20℃反应1h,冷却至0℃后加入氰基硼氢化钠(4.4mg,0.07mmol),20℃继续搅拌反应2h,浓缩,硅胶柱层析纯化(DCM/MeOH:90:1-10:1)得到化合物9-(N-甲基-N-Boc氨基乙氨)甲基-10-羟基喜树碱(34.1mg产率95.7%);LC/MS(M+H):551.21(计算值:550.24)。
将9-(N-甲基-N-Boc氨基乙氨)甲基-10-羟基喜树碱(34.1mg)溶解于乙酸乙酯(2mL),在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩,乙酸乙酯/石油醚重结晶得淡红色固体化合物9-(N-甲基-N-
氨基乙氨)甲基-10-羟基喜树碱(27.6mg产率87.7%);1H NMR(500MHz,DMSO-d6)δ11.65(s,1H),9.77(s,1H),8.89(s,1H),8.17(d,J=9.2Hz,1H),8.14-7.78(m,2H),7.65(d,J=9.1Hz,1H),7.30(s,1H),5.43(s,2H),5.28(s,2H),4.68(s,2H),3.24(s,5H),2.77(s,2H),1.88(dp,J=14.3,7.1Hz,2H),0.89(t,J=7.2Hz,3H);LC/MS(M+H):451.19(计算值:450.19)。
实施例14:9-(N-甲基四氢吡喃-4-胺)甲基-10-羟基喜树碱(14)
将多聚甲醛、N-甲基四氢-2H-吡喃-4-胺、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-甲基四氢吡喃-4-氨)甲基-10-羟基喜树碱(产率88.7%);1H NMR(500MHz,DMSO-d6)δ11.56(s,1H),9.22(s,1H),8.87(s,1H),8.20(dd,J=9.2,2.3Hz,1H),7.66(dd,J=9.2,2.0Hz,1H),7.29(d,J=1.1Hz,1H),6.53(s,1H),5.43(s,2H),5.35-5.19(m,2H),4.73(d,J=120.2Hz,2H),4.15-3.98(m,2H),3.71(s,1H),2.67(s,3H),2.19-2.06(m,2H),1.88(ddq,J=21.3,14.1,7.1,6.5Hz,4H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):492.12(计算值:491.21)。
实施例15:9-(反式-4-羟基环己胺)甲基-10-羟基喜树碱(15)
将多聚甲醛、反式4-氨基环己-1-醇、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(4-羟基环己胺)甲基-10-羟基喜树碱(产率76.9%);1H NMR(500MHz,DMSO-d6)δ8.64-8.54(m,1H),7.94-7.82(m,1H),7.34-7.10(m,2H),5.39(s,2H),5.27-5.11(m,2H),4.36(s,2H),4.30-4.12(m,4H),3.41(dp,J=8.5,4.2Hz,2H),1.98(d,J=10.0Hz,2H),1.85(tq,J=14.5,8.4,7.8Hz,4H),1.19(q,J=12.5Hz,4H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):492.09(计算值:491.21)。
实施例16:9-(N-甲基-反式-4-羟基环己胺)甲基-10-羟基喜树碱(16)
将多聚甲醛、反式4-(甲氨基)环己-1-醇、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-甲基-4-羟基环己胺)甲基-10-羟基喜树碱(产率82%);1H NMR(600MHz,DMSO-d6)δ11.63(s,1H),9.15(s,1H),8.86(s,1H),8.19(d,J=9.1Hz,1H),7.66(d,J=9.2Hz,1H),7.28(s,1H),6.55(s,1H),5.43(s,2H),5.26(s,2H),4.77(d,J=12.7Hz,1H),4.72-4.51(m,1H),3.50-3.39(m,2H),2.65(s,3H),2.26-2.08(m,2H),2.00(s,2H),1.93-1.62(m,4H),1.29(td,J=13.2,6.6Hz,2H),0.89(t,J=7.4Hz,3H);LC/MS(M+H):506.02(计算值:505.22)。
实施例17:9-(N-甲基-N-环丙基胺)甲基-10-羟基喜树碱(17)
将多聚甲醛、N-甲基环丙胺、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-甲基-N-环丙基胺)甲基-10-羟基喜树碱(产率83.9%);1H NMR(500MHz,DMSO-d6)δ8.55(s,1H),7.87(d,J=9.1Hz,1H),7.35(d,J=9.2Hz,1H),7.17(s,1H),5.34(d,J=2.7Hz,2H),5.13(s,2H),4.09(s,2H),3.42(tdd,J=9.9,6.5,4.2Hz,3H),3.35(t,J=5.3Hz,1H),3.30(t,J=6.6Hz,1H),2.19(s,3H),1.86(ddt,J=9.8,7.1,3.1Hz,1H),1.79(p,J=7.1Hz,2H),1.39(dd,J=8.4,6.2Hz,1H),1.29-1.19(m,1H),0.87-0.81(m,3H);LC/MS(M+H):448.02(计算值:447.18)。
实施例18:9-(吗啉-4-胺)甲基-10-羟基喜树碱(18)
将9-甲酰基-10-羟基喜树碱、4-胺基吗啉、甲醇和氰基硼氢化钠按照方法B合成得到化合物9-(吗啉-4-胺)甲基-10-羟基喜树碱(产率81.0%);LC/MS(M+H):479.08(计算值:478.19)。
实施例19:9-(N-甲基乙胺)甲基-10-羟基喜树碱(19)
将多聚甲醛、N-甲基乙胺、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-甲基-N-乙基胺)甲基-10-羟基喜树碱(产率77.3%);1H NMR(500MHz,DMSO-d6)δ11.45(s,1H),8.88(s,1H),8.18(d,J=9.2Hz,1H),7.64(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.43(s,2H),5.27(s,2H),4.70(s,2H),3.28(m,J=7.0Hz,2H),2.73(s,3H),1.87(d,J=21.5,7.2Hz,2H),1.33(t,J=7.2Hz,3H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):436.02(计算值:435.18)。
实施例20:9-(乙基胺)甲基-10-羟基喜树碱(20)
将多聚甲醛、乙胺、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-乙基胺)甲基-10-羟基喜树碱(产率84.0%);1H NMR(500MHz,DMSO-d6)δ8.74(s,1H),7.98(d,J=9.1Hz,1H),7.47(t,J=9.2Hz,1H),7.25(s,1H),5.41(s,2H),5.23(s,2H),4.42(s,2H),2.85(dq,J=27.0,7.3Hz,4H),1.87(dt,J=15.5,8.2Hz,3H),1.18(d,J=7.5Hz,3H),0.88(t,J=7.4Hz,3H;LC/MS(M+H):422.06(计算值:421.16)。
实施例21:9-(异丙胺)甲基-10-羟基喜树碱(21)
将多聚甲醛、异丙胺、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(异丙胺)甲基-10-羟基喜树碱(产率79.7%);1H NMR(500MHz,DMSO-d6)δ11.45(s,1H),8.83(s,1H),8.60(s,2H),8.14(d,J=9.2Hz,1H),7.64(d,J=9.2Hz,1H),7.28(s,1H),6.52(s,1H),5.42(s,2H),5.25(s,2H),4.55(d,J=6.2Hz,2H),1.87(dp,J=18.1,7.1Hz,2H),1.38(d,J=6.5Hz,6H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):436.02(计算值:435.18)。
实施例22:3-(N-吗啉)-1.3-恶嗪[5,61并[9,10]喜树碱(22)
将40%甲醛水溶液、吗啉-4-胺、二氧六环和10-羟基喜树碱按照方法A合成得化合物3-(N-吗啉)-1.3-恶嗪[5,6]并[9,10]喜树碱(产率64.3%);LC/MS(M+H):491.07(计算值:490.19)。
实施例23:9-(1-甲基-2-Boc肼)甲基-10-羟基喜树碱(23)
将多聚甲醛、2-甲基肼-1-羧酸叔丁酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物1-甲基-2-Boc肼甲
基-10-羟基喜树碱(产率90.7%);1H NMR(500MHz,DMSO-d6)δ8.75(s,1H),8.01(d,J=9.1Hz,1H),7.50(d,
J=9.1Hz,1H),7.26(s,1H),6.44(d,J=56.6Hz,2H),5.41(s,3H),5.24(s,2H),4.93(s,2H),2.41(s,3H),1.93-1.84(m,2H),1.48(s,9H),0.89(d,J=7.3Hz,3H);LC/MS(M+H):523.08(计算值:522.21)。
实施例24:9-(1-甲基肼)甲基-10-羟基喜树碱(24)
将1-甲基-2-Boc肼甲基-10-羟基喜树碱(化合物23)溶解于乙酸乙酯(2mL),在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩,石油醚/乙酸乙酯重结晶得固体产物1-甲基肼甲基-10-羟基喜树碱(产率89.5%);1H NMR(600MHz,DMSO-d6)δ10.86(s,1H),9.97(s,2H),8.72(s,1H),8.05(d,J=9.2Hz,1H),7.57(d,J=9.2Hz,1H),7.27(s,1H),6.51(s,1H),5.86(s,1H),5.42(s,2H),5.26(s,2H),4.49(s,2H),2.75(d,J=26.1Hz,3H),1.87(dq,J=10.7,7.1Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):423.08(计算值:422.16)。
实施例25:9-(1-甲基-3-氨基丙胺)甲基-10-羟基喜树碱(25)
将9-甲酰基-10-羟基喜树碱、(3-(甲氨基)丙基)氨基甲酸叔丁酯和氰基硼氢化钠按照方法B合成得到化合物9-(1-甲基-3-Boc氨基丙胺)甲基-10-羟基喜树碱(产率90.6%);LC/MS(M+H):565.17(计算值:564.26)。将上述Boc-基团保护的产物溶解于乙酸乙酯(2mL),在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩溶剂,乙酸乙酯/石油醚重结晶得固体产物9-(1-甲基-3-氨基丙胺)甲基-10-羟基喜树碱(产率85.5%);1H NMR(500MHz,DMSO-d6)δ8.55(s,1H),7.87(d,J=9.1Hz,1H),7.35(d,J=9.2Hz,1H),7.17(s,1H),5.34(d,J=2.7Hz,2H),5.13(s,2H),4.09(s,2H),3.42(m,J=9.9,6.5,4.2Hz,3H),3.35(t,J=5.3Hz,1H),3.30(t,J=6.6Hz,1H),2.19(s,3H),1.86(m,J=9.8,7.1,3.1Hz,1H),1.79(p,J=7.1Hz,2H),1.39(dd,J=8.4,6.2Hz,1H),1.29-1.07(m,2H),0.87-0.81(m,3H);LC/MS(M+H):465.09(计算值:464.21)。
实施例26:9-(哌啶-1-胺)甲基-10-羟基喜树碱(26)
将9-甲酰基-10-羟基喜树碱、1-胺基哌啶、甲醇和氰基硼氢化钠按照方法B合成得到化合物9-(哌啶-1-胺)甲基-10-羟基喜树碱(产率87.6%);LC/MS(M+H):477.20(计算值:476.21)。
实施例27:9-(N-甲基(四氢吡喃甲基)胺)甲基-10-羟基喜树碱(27)
将多聚甲醛、N-甲基-1-(四氢-2H-吡喃-4-基)甲胺、二氧六环和10-羟基喜树碱(按照方法A合成得到化合物9-(N-甲基(四氢吡喃甲基)胺)甲基-10-羟基喜树碱(产率87%);1H NMR(500MHz,DMSO-d6)δ11.75(s,1H),8.88(d,J=3.3Hz,1H),8.18(dd,J=9.3,3.0Hz,1H),7.65(dd,J=9.4,3.6Hz,1H),7.29(d,J=2.9Hz,1H),6.54(s,1H),5.42(d,J=3.1Hz,2H),5.26(s,2H),4.76(s,2H),3.88(d,J=11.3Hz,2H),3.34(d,J=11.6Hz,2H),3.20(s,2H),2.73(d,J=3.5Hz,3H),2.25(ddd,J=11.4,7.6,3.9Hz,1H),1.88(ddd,J=16.5,11.9,7.2Hz,2H),1.76(d,J=12.8Hz,2H),1.26(q,J=12.3Hz,2H),1.08-0.78(d,J=12.8Hz,3H);LC/MS(M+H):506.09(计算值:505.22)。
实施例28:9-(N-甲基(哌啶-4-甲基)胺)甲基-10-羟基喜树碱(28)
将多聚甲醛、4-((甲基氨基)甲基)哌啶-1-羧酸叔丁酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-甲基(1-Boc-哌啶-4-甲基)胺)甲基-10-羟基喜树碱(产率93.3%):LC/MS(M+H):605.14(计算值:604.29)。将Boc-保护的中间体溶解于乙酸乙酯(2mL),在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩,重结晶得固体产物9-(N-甲基(哌啶-4-甲基)胺)甲基-10-羟基喜树碱(产率88.5%);1H NMR(500MHz,DMSO-d6)δ11.65(s,1H),8.89(s,1H),8.19(dd,J=9.7,3.8Hz,1H),7.64(dd,J=9.2,1.7Hz,1H),7.29(d,J=2.1Hz,1H),6.52(s,1H),5.42(s,2H),5.28(d,J=5.8Hz,2H),4.76(s,2H),3.87(dt,J=10.9,3.4Hz,2H),3.34((td,J=11.8 2.1Hz,2H),3.19(s,2H),2.73(s,3H),2.24(ddd,J=11.4,7.6,4.1Hz,1H),1.94-1.82(m,2H),1.75(s,2H),1.26(d,J=14.3Hz,2H),0.88(t,J=7.3Hz,3H);LC/MS(M+H):505.14(计算值:504.24)。
实施例29:9-(3-(十一-5,5-螺环-3,9-二氮烷))甲基-10-羟基喜树碱(29)
将多聚甲醛、3,9-二氮杂螺[5.5]十一烷-3-羧酸叔丁酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(3-(9-Boc-十一-5,5-螺环-3,9-二氮烷))甲基-10-羟基喜树碱(产率92.9%);LC/MS(M+H):631.18(计算值:630.31)。
将上述Boc-中间体溶解于乙酸乙酯(2mL),在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩,乙酸乙酯/石油醚重结晶得固体产物-(3-(十一-5,5-螺环-3,9-二氮烷))甲基-10-羟基喜树碱(产率91.1%);1H NMR(500MHz,DMSO-d6)δ11.66(s,1H),9.59(s,1H),8.92(s,1H),8.73(s,2H),8.15(d,J=9.2Hz,1H),7.67(d,J=9.3Hz,1H),7.28(s,1H),6.52(s,1H),5.42(s,2H),5.23(s,2H),4.75(s,2H),3.69-3.25(m,8H),1.87(dq,J=14.3,7.5Hz,4H),1.58(d,J=82.2Hz,4H),0.90(t,J=7.3Hz,3H);LC/MS(M+H):531.18(计算值:530.25)。
实施例30:9-(哌啶-4-乙基胺)甲基-10-羟基喜树碱(30)
将多聚甲醛、4-(2-氨基乙基)哌啶-1-羧酸叔丁酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(1-Boc-哌啶-4-乙基胺)甲基-10-羟基喜树碱(产率91.1%);LC/MS(M+H):605.27(计算值:604.29)。
将上述Boc-中间体溶解于乙酸乙酯(2mL),在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩,乙酸乙酯/石油醚重结晶得固体化合物9-(哌啶-4-乙基胺)甲基-10-羟基喜树碱(产率94.5%);1H NMR(600MHz,DMSO-d6)δ11.62(s,1H),8.86(d,J=17.7Hz,3H),8.85-8.43(m,2H),8.16(d,J=9.2Hz,1H),7.67(d,J=9.2Hz,1H),7.29(s,1H),6.53(s,1H),5.43(s,2H),5.27(s,2H),4.65(s,2H),3.20(t,J=6.2Hz,6H),2.80-2.57(m,6H),1.88(dhept,J=21.4,7.3Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):504.87(计算值:504.24)。
实施例31:9-(L-脯氨酸叔丁酯)甲基-10-羟基喜树碱(31)
将多聚甲醛、L-脯氨酸叔丁酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(L-脯氨酸叔丁酯)甲基-10-羟基喜树碱(产率90.2%);1H NMR(600MHz,DMSO-d6)δ11.55(s,1H),10.08(s,1H),8.89(s,1H),8.15(d,
J=9.0Hz,1H),7.62(d,J=9.2Hz,1H),7.29(s,1H),6.54(s,1H),5.43(s,2H),5.29(s,2H),4.87(s,2H),4.49(d,J=43.8Hz,1H),3.19(s,2H),2.46(s,1H),2.04(d,J=10.0Hz,1H),1.88(ddt,J=27.3,14.2,7.4Hz,4H),1.35(d,J=4.2Hz,9H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):548.17(计算值:547.23)。
实施例32:9-(L-脯氨酸)甲基-10-羟基喜树碱(32)
取9-(L-脯氨酸叔丁酯)甲基-10-羟基喜树碱(实施例31化合物)溶解于二氯甲烷(2mL),在0℃下搅拌,加入三氟乙酸(2mL),室温搅拌2h,浓缩,乙酸乙酯/石油醚重结晶得固体产物9-(L-脯氨酸)甲基-10-羟基喜树碱(产率81.4%);1H NMR(500MHz,DMSO-d6)δ8.92(s,1H),8.17(d,J=9.2Hz,1H),7.62(d,J=9.3Hz,1H),7.30(d,J=1.5Hz,1H),6.52(s,1H),5.43(s,2H),5.36-5.20(m,2H),4.92(d,J=13.6Hz,1H),4.82(d,J=13.7Hz,1H),4.49(t,J=8.8Hz,1H),3.33(q,J=10.0,9.4Hz,3H),2.02(tq,J=12.6,4.3,3.2Hz,2H),1.87(ddd,J=16.6,14.1,7.5Hz,3H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):491.99(计算值:491.17)。
实施例33:9-(1-哌啶-4-甲酸甲酯)甲基-10-羟基喜树碱(33)
将多聚甲醛、哌啶-4-羧酸甲酯、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(1-哌啶-4-甲酸甲酯)甲基-10-羟基喜树碱(产率91.3%);1H NMR(500MHz,DMSO-d6)δ11.54(s,1H),9.56(s,1H),8.92(d,J=3.7Hz,1H),8.17(t,J=8.5Hz,1H),7.65(d,J=9.2Hz,1H),7.33-7.26(m,1H),5.43(s,2H),5.26(d,J=11.0Hz,2H),4.72(d,J=13.5Hz,2H),3.72(s,2H),3.62(s,3H),3.24(d,J=17.2Hz,2H),2.70(ddd,J=12.3,8.6,3.7Hz,1H),2.09-1.96(m,2H),1.86(qt,J=18.5,10.0Hz,4H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):520.05(计算值:519.20)。
实施例34:9-(1-哌啶-4-甲酸)甲基-10-羟基喜树碱(34)
将多聚甲醛、哌啶-4-羧酸、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(1-哌啶-4-甲酸)甲基-10-羟基喜树碱(产率87.5%);1H NMR(500MHz,DMSO-d6)δ12.53(s,1H),11.40(s,1H),9.34(s,1H),8.92(s,1H),8.18(d,J=9.2Hz,1H),7.64(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.43(s,2H),5.28(s,2H),4.70(s,2H),3.55(s,2H),3.23(s,2H),2.56(s,1H),2.07-1.98(m,2H),1.87(dp,J=18.3,7.1Hz,2H),1.78(s,1H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):506.02(计算值:505.18)。
实施例35:9-(L-丙氨酸叔丁酯)甲基-10-羟基喜树碱(35)
将多聚甲醛、叔丁基甲基-L-丙氨酸盐酸盐、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(L-丙氨酸叔丁酯)甲基-10-羟基喜树碱(产率74.8%);1H NMR(600MHz,DMSO-d6)δ8.85(s,1H),8.15(d,J=9.1Hz,1H),7.61(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.42(s,2H),5.26(d,J=3.6Hz,2H),4.69(d,J=36.8Hz,2H),4.27(s,
1H),2.69(s,3H),1.87(dq,J=11.2,7.0Hz,2H),1.57(d,J=7.0Hz,2H),1.49(d,J=20.5Hz,9H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):522.07(计算值:521.22)。
实施例36:9-(N-甲基-L-丙氨酸)甲基-10-羟基喜树碱(36)
将多聚甲醛、N-甲基-L-丙氨酸盐酸盐、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(N-甲基-L-丙氨酸)甲基-10-羟基喜树碱(产率81.4%);1H NMR(600MHz,DMSO-d6)δ8.92(s,1H),8.16(d,J=9.1Hz,1H),7.61(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.42(s,2H),5.26(d,J=4.4Hz,2H),4.83-4.66(m,2H),4.35(d,J=9.1Hz,1H),2.72(s,2H),1.87(dp,J=21.1,7.1Hz,2H),1.63(d,J=7.2Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):479.92(计算值:479.17)。
实施例37:9-(四氢吡喃-4-胺)甲基-10-羟基喜树碱(37)
将多聚甲醛、4-氨基四氢吡喃、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(四氢吡喃-4-胺)甲基-10-羟基喜树碱(产率90.8%);1H NMR(500MHz,DMSO-d6)δ11.31(s,1H),8.85(s,1H),8.72(s,2H),8.17(dt,J=9.3,2.4Hz,1H),7.64(dt,J=9.2,1.8Hz,1H),7.29(d,J=1.4Hz,1H),6.52(s,1H),5.43(s,2H),5.29(d,J=2.7Hz,2H),4.61(s,2H),3.98(dd,J=10.9,4.4Hz,2H),2.13(dd,J=11.5,3.4Hz,2H),1.87(dq,J=18.3,7.0Hz,2H),1.76-1.62(m,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):478.03(计算值:477.19)。
实施例38:9-(4-Boc-哌嗪-1-胺)甲基-10-羟基喜树碱(38)
将9-甲酰基-10-羟基喜树碱、4-氨基哌嗪-1-羧酸叔丁酯、甲醇和氰基硼氢化钠按照方法B合成得到化合物9-(4-Boc-哌嗪-1-胺)甲基-10-羟基喜树碱(产率87.8%);LC/MS(M+H):578.26(计算值:577.25)。
实施例39:9-((2-(2-Boc-氨基乙氧基)乙基)胺)甲基-10-羟基喜树碱(39)
将多聚甲醛、(2-(2-氨基乙氧基)乙基)氨基甲酸叔丁酯、二氧六环和10-羟基喜树碱按照方法A合成得化合物9-((2-(2-Boc-氨基乙氧基)乙基)胺)甲基-10-羟基喜树碱(产率81.8%);LC/MS(M+H):581.23(计算值:580.25)。
实施例40:3-(N-三氟乙基)-1.3-恶嗪[5,61并[9,10]喜树碱(40)
将40%甲醛水溶液、三氟乙胺盐酸盐、二氧六环和10-羟基喜树碱按照方法A合成得到化合物3-(N-三氟乙基)-
1.3-恶嗪[5,6]并[9,10]喜树碱(产率75.1%);1H NMR(500MHz,DMSO-d6)δ8.84(s,1H),8.15(dd,J=9.1,4.7Hz,1H),7.63(dd,J=9.1,1.5Hz,1H),6.56(s,1H),5.52(s,1H),4.62(s,1H),3.75(dd,J=11.6,4.5Hz,1H),3.64(dd,J=11.9,5.9Hz,1H),1.87(dt,J=16.2,7.2Hz,2H),1.34(d,J=6.6Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):488.01(计算值:487.14)。
实施例41:9-(三氟乙胺)甲基-10-羟基喜树碱(41)
将9-甲酰基-10-羟基喜树碱、三氟乙胺、甲醇和氰基硼氢化钠按照方法B合成得到化合物9-(三氟乙胺)甲基-10-羟基喜树碱(产率71.3%);1H NMR(600MHz,DMSO-d6)δ8.77(s,1H),8.07(d,J=10.3Hz,1H),7.56(d,J=9.1Hz,1H),7.44(t,J=7.7Hz,1H),7.33-7.24(m,3H),6.50(s,2H),5.42(s,2H),5.27(s,2H),4.47(s,1H),1.86(dq,J=14.2,7.1Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):476.01(计算值:475.14)。
实施例42:9-(反式-4-甲氧基环己胺)甲基-10-羟基喜树碱(42)
将多聚甲醛、反式-4-甲氧基环己-1-胺、二氧六环和10-羟基喜树碱按照方法A合成得到化合物9-(反式-4-甲氧基环己胺)甲基-10-羟基喜树碱(产率82.6%);1H NMR(500MHz,DMSO-d6)δ11.37(s,1H),8.83(s,1H),8.63(s,2H),8.15(d,J=9.1Hz,1H),7.64(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.76(s,1H),5.43(s,2H),5.27(s,2H),4.58(s,2H),3.26(s,3H),3.17-3.10(m,1H),2.24(d,J=11.0Hz,2H),2.12(d,J=9.5Hz,2H),1.87(d,J=7.8Hz,2H),1.51(qd,J=12.7,3.3Hz,2H),1.23(s,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):506.09(计算值:505.22)。
实施例43:9-(四氢吡喃4-甲胺)甲基-10-羟基喜树碱(43)
将多聚甲醛、(四氢-2H-吡喃-4-基)甲胺、二氧六环和10-羟基喜树碱按照方法A合成得化合物9-(四氢吡喃4-甲胺)甲基-10-羟基喜树碱(产率87.2%);1H NMR(500MHz,DMSO-d6)δ11.44(s,1H),8.85(s,1H),8.71(s,2H),8.15(d,J=9.1Hz,1H),7.64(d,J=9.2Hz,1H),7.29(s,1H),6.52(s,1H),5.42(s,2H),5.27(s,2H),4.60(s,2H),3.87(ddd,J=11.5,4.6,2.0Hz,2H),3.29(td,J=11.8,2.1Hz,2H),3.01(d,J=7.1Hz,2H),2.05(dt,J=7.4,3.6Hz,1H),1.87(dt,J=15.1,7.1Hz,2H),1.75-1.66(m,2H),1.25(qd,J=12.1,4.5Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):492.06(计算值:491.21)。
实施例44:9-(N-甲基羟胺)甲基-10-羟基喜树碱(44)
将9-甲酰基-10-羟基喜树碱、N-甲基羟胺、甲醇和氰基硼氢化钠按照方法B合成得到化合物9-(N-甲基羟胺)甲基-10-羟基喜树碱(产率44.1%);1H NMR(500MHz,DMSO-d6)δ10.88(s,1H),8.98(s,1H),7.91(d,J=9.2Hz,1H),7.60(d,J=9.2Hz,1H),7.18(s,1H),6.46(s,1H),5.38(s,2H),5.13(s,2H),4.71(s,1H),2.51(s,3H),1.83(hept,J=6.7,6.1Hz,2H),0.85(t,J=7.3Hz,3H);LC/MS(M+H):424.08(计算值:423.14)。
实施例45:9-(2'-N-Boc-2'-N-甲基肼)甲基-10-羟基喜树碱(45)
将9-甲酰基-10-羟基喜树碱、1-甲基肼-1-羧酸叔丁酯、甲醇和氰基硼氢化钠按照方法B合成得到化合物9-(2’-N-Boc-2’-N-甲基肼)甲基-10-羟基喜树碱(产率74.1%);1H NMR(600MHz,DMSO-d6)δ9.36(s,1H),8.71(s,1H),8.10(d,J=10.1Hz,2H),8.04(s,1H),7.55(d,J=9.2Hz,1H),7.28(s,1H),6.51(s,1H),5.42(s,2H),5.27(s,2H),4.24(t,J=5.4Hz,1H),3.47(s,3H),1.87(dq,J=14.2,7.0Hz,2H),1.56(s,9H),0.91-0.87(m,3H);LC/MS(M+H):523.15(计算值:522.21)。
实施例46:9-(1-(4-羟乙酰哌嗪))甲基-10-羟基喜树碱(46)
将化合物2(15mg,3.2mmol)溶解在THF(5mL)中,加入羟基乙酸(5.0mg,6.4mmol),搅拌下加入苯并三氮唑-1-基氧基三(二甲基氨基)磷鎓六氟磷酸盐(BOP,2.9mg,6.4mmol),室温下搅拌反应过夜,减压除去溶剂,硅胶柱层析纯化得到9-(1-(4-羟乙酰哌嗪))甲基-10-羟基喜树碱(11.5mg,产率69.3%);1H NMR(500MHz,DMSO-d6)δ8.86(s,1H),8.09(d,J=9.2Hz,1H),7.58(d,J=9.2Hz,1H),7.27(s,1H),6.52(s,3H),5.42(s,2H),5.26(s,2H),4.43(s,2H),4.11(s,2H),3.56(d,J=43.9Hz,4H),3.15-2.89(m,4H),1.87(dt,J=16.5,7.2Hz,2H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):520.99(计算值:520.20)。
实施例47:9-(N,O-二甲基羟胺)甲基-10-羟基喜树碱(47)
将9-甲酰基-10-羟基喜树碱、N,O-二甲基羟胺盐酸盐、甲醇和氰基硼氢化钠按照方法B合成得到化合物9-(N,O-二甲基羟胺)甲基-10-羟基喜树碱(产率65.3%);1H NMR(600MHz,DMSO-d6)δ10.44(s,1H),10.33(s,1H),8.82(s,1H),8.66(s,1H),8.01(dd,J=15.4,9.2Hz,1H),7.52(t,J=8.5Hz,1H),7.26(d,J=2.2Hz,1H),6.49(s,1H),5.42(s,2H),5.27(d,J=4.5Hz,2H),4.87(s,1H),4.28(s,1H),3.33(d,J=3.4Hz,3H),2.55(s,1H),1.86(dh,J=21.3,7.2Hz,2H),1.24(s,1H),0.88(t,J=7.3Hz,3H);LC/MS(M+H):438.11(计算值:437.16)。
实施例48:9-((1-甲氧基丙-2-基)氨基)甲基-10-羟基喜树碱(48)
将多聚甲醛、1-甲氧基丙-2-胺、二氧六环和10-羟基喜树碱按照方法A合成得化合物9-((1-甲氧基丙-2-基)氨基)甲基-10-羟基喜树碱(产率93.2%);1H NMR(500MHz,DMSO-d6)δ8.57(s,1H),7.98(t,J=6.8Hz,1H),7.38(d,J=8.8Hz,1H),7.37-7.29(m,1H),5.48(d,J=7.4Hz,2H),5.27(s,2H),5.12(q,J=4.4,3.9Hz,2H),4.47(s,2H),3.32(ddd,J=40.3,11.5,6.3Hz,4H),3.22(d,J=8.4Hz,3H),1.93(q,J=8.2,7.6Hz,2H),1.22-1.12(m,3H),0.95(q,J=7.6Hz,3H);LC/MS(M+H):466.09(计算值:465.51)。
实施例49:9-((1-羟基丙-2-基)氨基)甲基-10-羟基喜树碱(49)
将多聚甲醛、1-羟基丙-2-胺、二氧六环和10-羟基喜树碱按照方法A合成得化合物9-((1-羟基丙-2-基)氨基)甲基-10-羟基喜树碱(产率84.7%);1H NMR(600MHz,DMSO-d6)δ11.42(s,1H),8.83(s,1H),8.71(s,1H),8.43(s,1H),8.15(d,J=9.2Hz,1H),7.63(d,J=9.1Hz,1H),7.29(s,1H),6.54(s,1H),5.50(s,1H),5.43(s,2H),5.27(s,2H),4.61(s,2H),3.75(dd,J=11.7,4.5Hz,1H),3.63(dd,J=12.0,5.8Hz,1H),1.87(m,J=21.4,7.2Hz,2H),1.34(d,J=6.6Hz,3H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):462.13(计算值:461.48)。
实施例50:9-(丙氨基)甲基-10-羟基喜树碱(50)
将多聚甲醛、正丙胺、二氧六环和10-羟基喜树碱按照方法A合成得化合物9-(丙氨基)甲基-10-羟基喜树碱(产率82.6%);1H NMR(500MHz,DMSO-d6)δ11.29(s,1H),8.87(s,1H),8.63(s,2H),8.17(dd,J=9.2,1.7Hz,1H),7.63(dd,J=9.2,2.1Hz,1H),7.29(s,1H),6.52(s,1H),5.43(s,2H),5.29(d,J=2.8Hz,2H),4.58(d,J=5.8Hz,2H),3.03(s,2H),1.93-1.80(m,2H),1.71(q,J=7.7Hz,2H),0.94(t,J=7.4Hz,3H),0.89(t,J=7.3Hz,3H);LC/MS(M+H):436.45(计算值:435.48)。
实施例51:9-((2-(2-氨基乙氧基)乙基)胺)甲基-10-羟基喜树碱(51)
将上述9-((2-(2-Boc-氨基乙氧基)乙基)胺)甲基-10-羟基喜树碱(39)溶解于乙酸乙酯(2mL),在0℃下搅拌,加入4M HCl的乙酸乙酯溶液(0.5mL),室温搅拌2h,浓缩,乙酸乙酯/石油醚重结晶得固体化合物9-((2-(2-氨基乙氧基)乙基)胺)甲基-10-羟基喜树碱(产率96.5%);1H NMR(500MHz,DMSO-d6)δ11.48(s,1H),9.18(dq,J=12.1,6.0Hz,2H),9.00(s,1H),8.29(d,J=6.1Hz,2H),8.24(s,1H),7.76(d,J=9.2Hz,1H),7.27(s,1H),5.41(s,2H),5.21(s,2H),4.62(t,J=5.6Hz,2H),3.85-3.65(m,6H),3.25(p,J=5.3Hz,2H),3.03(tq,J=10.7,5.4Hz,2H),1.88(dp,J=21.2,7.2Hz,2H),0.90(t,J=7.3Hz,3H);LC/MS(M+H):481.50(计算值:480.52)。
测试例1:化合物对癌细胞生长的抑制活性
将人食管癌细胞OE33、人乳腺腺癌细胞SK-BR-3和人胃癌细胞NCI-N87分别在含有10%胎牛血清(Cellmax)的RPMI1640(Cellmax)中培养。将处于指数增长期的肿瘤细胞用培养基稀释至1×105cells/mL,以每孔100μL加入到96孔细胞培养板中,放回37℃、5%CO2的培养箱中过夜培养。第二天,使用培养基将需测试的化合物和对照化合物稀释至10000nM、2000nM、400nM、80nM、16nM、3.2nM、0.64nM、0.13nM,并以每孔2μL将稀释后的化合物加入到96孔细胞培养板中,每个浓度设置3个复孔,未添加化合物的阴性对照和空白对照组每孔加入2μL的稀释液。加样完成后,放回37℃、5%CO2的培养箱中继续孵育72h。孵育完成后,取出细胞培养板,用移液器将培养板中的培养基吸弃,每孔加入100μL含有10%CCK-8的培养基,37℃孵育3h。孵育完成后,取出培养板,避光,置于酶标板中,选择630nm为参比波长,450nm为测定波长测定吸光度。根据吸光值,使用GraphPad中四参数回归法计算IC50值(表1-3)。以SN38(7-乙基-10-羟基喜树碱)和10CPT(10-羟基喜树碱)为对照化合物。对于IC50值,其中“++++”表示IC50<50nM;“+++”表示IC50介于50nM-100nM之间;“++”表示IC50介于100-500nM之间;“+”表示IC50>500nM。
表1化合物抑制OE33细胞生长的抑制活性
表2化合物抑制SK-BR-3细胞生长的抑制活性
表3化合物抑制NCI-N87细胞生长的抑制活性
结果:本发明提供的实施例化合物对食管癌细胞OE33、乳腺腺癌细胞SK-BR-3和胃癌细胞NCI-N87等癌细胞的生长均具有较好的抑制作用,部分化合物例如化合物10、17、19对该3中癌细胞生长抑制的IC50值均小于100nM,具有广谱的抗癌活性。
Claims (11)
- 式(I)化合物或其药学上可接受的盐、立体异构体或前药:
式中,R为-CH2NR1R2,其中,R1和R2各自独立地选自氢、羟基、C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、4至8元芳基或-NRaRb,所述C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、4至8元芳基或-NRaRb任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧基、C1-C6烷氧羰基、-O-(C1-C3烷基)-NRaRb或4至8元杂环烷基的取代基取代,条件是,R1、R2不同时为氢或甲基;或,R1、R2和与其相连的N原子共同形成4至8元环烷基、4至8元杂环烷基、4至8元芳基或9至12元氮杂螺环烷基,所述4至8元环烷基、4至8元杂环烷基、4至8元芳基或9至12元氮杂螺环烷基任选地被选自羟基、氨基、羧基、C1-C6烷氧基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2、-NRaRb或-C(O)Rc的取代基取代;或,R、其邻位的羟基及其相连的苯环上的C原子共同形成4至8元杂环烷基,所述4至8元杂环烷基任选地被选自C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、-NRaRb或4至8元杂环烷基的取代基取代,所述C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基、-NRaRb或4至8元杂环烷基任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧基或C1-C6烷氧羰基的取代基取代,条件是,R1、R2至少有一个为H;Ra和Rb各自独立地选自H、C1-C6烷基或C1-C6烷氧羰基;Rc选自氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。 - 根据权利要求1所述的化合物或其药学上可接受的盐、立体异构体或前药,其中,R为-CH2NR1R2,R1和R2各自独立地选自氢、羟基、C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基或-NRaRb,所述C1-C6烷基任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧羰基、-O-(C1-C3烷基)-NRaRb或4至8元杂环烷基的取代基取代,所述C3-C6环烷基或4至8元杂环烷基任选地被选自羟基、C1-C3烷氧基或C1-C6烷氧羰基的取代基取代,条件是,R1、R2不同时为氢或甲基;或,R1、R2和与其相连的N原子共同形成4至8元杂环烷基或9至12元氮杂螺环烷基,所述4至8元杂环烷基任选地被选自羟基、氨基、羧基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;或,R、其邻位的羟基及其相连的苯环上的C原子共同形成4至8元杂环烷基,所述4至8元杂环烷基任选地被选自卤素取代的C1-C6烷基、C3-C6环烷基或4至8元杂环烷基的取代基取代,条件是,R1、R2至少有一个为H;优选地,Ra和Rb各自独立地选自H、甲基或叔丁氧羰基;优选地,Rc选自氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基。
- 根据权利要求1或2所述的化合物或其药学上可接受的盐、立体异构体或前药,其中,R为-CH2NHR1,R1选自氢、羟基、C1-C6烷基、C1-C6烷氧基、C3-C6环烷基、4至8元杂环烷基或-NRaRb,所述C1-C6烷基任选地被选自卤素、羟基、氨基、羧基、C1-C6烷氧羰基、-O-(C1-C3烷基)-NRaRb或4至8元杂环烷基的取代基取代,所述C3-C6环烷基或4至8元杂环烷基任选地被选自羟基、C1-C3烷氧基或C1-C6烷氧羰基的取代基取代,条件是,R1不为氢;或,R、其邻位的羟基及其相邻的苯环上的C原子共同形成4至8元杂环烷基,所述4至8元杂环烷基任选地被选自卤素取代的C1-C6烷基、C3-C6环烷基或4至8元杂环烷基的取代基取代;优选地,Ra和Rb各自独立地选自H、甲基或叔丁氧羰基。
- 根据权利要求1或2所述的化合物或其药学上可接受的盐、立体异构体或前药,其中,R1和R2各自独立地选自氢、羟基、氨基、甲基、乙基、异丙基、甲氧基、乙氧基、三氟乙基、环丙基、-(CH2)2OH、-(CH2)2-4NH2、-CH(CH3)C(O)OH、-CH(CH3)CH2OCH3、-CH(CH3)CH2OH、-(CH2)2CH3、-NHBoc、-N(CH3)Boc、-CH(CH3)Boc、-(CH2)2O(CH2)2NH2、- (CH2)2O(CH2)2NHBoc、条件是,R1、R2不同时为氢或甲基;或,R1、R2和与其相连的N原子共同形成吡咯烷、哌啶、哌嗪或3,9-二氮螺环十一烷,所述吡咯烷、哌啶、哌嗪或3,9-二氮螺环十一烷任选地被选自羟基、氨基、甲基、甲氧基、羧基、叔丁氧羰基、-O-NH2或-C(O)Rc的取代基取代;或,R、其邻位的羟基与其相邻的苯环上的C原子共同形成所述任选地被选自三氟甲基、环丙基或吗啉-4基的取代基取代,条件是,R1、R2至少有一个为H;Rc选自氨基、甲基、甲氧基、羟乙基或环丙基;优选地,R为-CH2NHR1,R1选自氢、羟基、氨基、甲基、乙基、异丙基、甲氧基、乙氧基、三氟乙基、环丙基、-(CH2)2OH、-(CH2)2-4NH2、-CH(CH3)COOH、-CH(CH3)CH2OCH3、-CH(CH3)CH2OH、-(CH2)2CH3、-NHBoc、N(CH3)Boc、-CH(CH3)Boc、-(CH2)2O(CH2)2NHBoc、 条件是,R1不为氢;或,R、其邻位的羟基与其相邻的苯环上的C原子共同形成所述任选地被选自三氟甲基、环丙基或吗啉-4基的取代基取代;优选地,R选自以下结构:
- 根据权利要求1-4任一项所述的化合物或其药学上可接受的盐、立体异构体或前药,所述化合物为式(II)化合物:
式中,Y环选自4至8元含氮饱和环、4至8元含氮芳香环或9至12元含氮饱和螺环,所述4至8元含氮饱和环、4至8元含氮芳香环或9至12元含氮饱和螺环任选地进一步被选自羟基、氨基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;优选地,所述C1-C6烷氧羰基为叔丁氧羰基;优选地,Y环选自4至8元含氮饱和环或9至12元含氮饱和螺环,所述4至8元含氮饱和环任选地被选自羟基、氨基、C1-C6烷氧羰基、C1-C3烷基、C1-C3烷氧基、-O-NH2或-C(O)Rc的取代基取代;优选地,所述C1-C6烷氧羰基为叔丁氧羰基;Rc’选自羟基、氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基;优选地,Rc’选自羟基、氨基、甲基、甲氧基、羟甲基、叔丁基氧基或环丙基;优选地,所述式(II)化合物为式(IIa)、式(IIb)或式(IIc)化合物:
其中,Rc’选自羟基、氨基、C1-C3烷基、C1-C3烷氧基、C3-C6环烷基或羟基取代的C1-C3烷基;优选地,Rc’选自羟基、氨基、甲基、甲氧基、羟甲基、叔丁基氧基或环丙基。 - 根据1-5任一项所述的化合物或其药学上可接受的盐、立体异构体或前药,所述化合物选自以下化合物:
- 根据权利要求1-6任一项所述的化合物的制备方法,其特征在于,包括选自以下反应路线的步骤:反应路线1:
将10-羟基喜树碱、甲醛或多聚甲醛和胺类化合物进行9号位的曼尼希反应,得到式(I)化合物;其中,胺类化合物为NHR1R2,R、R1和R2各自定义同权利要求1-4任一项;反应路线2:
将9-甲酰基-10-羟基喜树碱、胺类化合物和氰基硼氢化钠进行还原胺化反应,得到式(I)化合物;其中,胺类化合物为NHR1R2,R、R1和R2各自定义同权利要求1-4任一项;优选地,所述9-甲酰基-10-羟基喜树碱通过10-羟基喜树碱和六亚甲基四胺反应得到;优选地,反应路线1所述的曼尼希反应中,多聚甲醛或甲醛的用量为1.0-5.0摩尔当量;优选地,为1.0-3.0摩尔当量;更优选地,为1.2-2.2摩尔当量;优选地,反应路线1中胺类化合物的用量为1.0-5.0摩尔当量;更优选地,为1.0-2.0摩尔当量;更优选地,为1.2-1.6摩尔当量;优选地,反应路线2所述的还原胺化反应中,所述还原剂为氰基硼氢化钠;优选地,反应路线2中,胺类化合物的用量为1.0-3.0摩尔当量;更优选地,为1.0-1.2摩尔当量;优选地,氰基硼氢化钠的用量为1.0-3.0摩尔当量;更优选地,为1.0-2.0摩尔当量;更优选地,为1.2-1.5摩尔当量。 - 抗体药物偶联物,包含小分子药物、连接子抗体,其特征在于,以权利要求1-6任一项所述的化合物或其药学上可接受的盐、立体异构体或前药为小分子药物。
- 药物组合物,其特征在于,包括权利要求1-6任一项所述的化合物或其药学上可接受的盐、立体异构体、前药或权利要求8所述的抗体药物偶联物。
- 权利要求1-6任一项所述的化合物或其药学上可接受的盐、立体异构体、前药、权利要求8所述的抗体药物偶联物或权利要求9所述的药物组合物在制备用于治疗癌症的药物中的应用;优选地,所述癌症包括胃癌、食管癌、贲门癌、乳腺癌、卵巢癌、结肠癌、直肠癌、原发性肝癌、急性和慢性粒细胞性白血病、绒毛膜上皮癌、肺癌、膀胱癌、肠癌和小细胞肺癌;更优选地,所述癌症为食管癌、乳腺癌和胃癌。
- 治疗癌症的方法,其包括向有需要的患者施用权利要求1-6任一项所述的化合物或其药学上可接受的盐、立体异构体、前药、权利要求8所述的抗体药物偶联物或权利要求9所述的药物组合物的步骤。
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