WO2011113351A1 - [(4-甲基-2-丙基-n-甲氧基取代苯烷基-1h-苯并咪唑-6-甲酰胺)-1-基]甲基联苯类化合物及制备方法 - Google Patents
[(4-甲基-2-丙基-n-甲氧基取代苯烷基-1h-苯并咪唑-6-甲酰胺)-1-基]甲基联苯类化合物及制备方法 Download PDFInfo
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- methyl
- methoxy
- compound
- benzimidazole
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Substances NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 14
- 208000024172 Cardiovascular disease Diseases 0.000 claims abstract description 11
- 208000026106 cerebrovascular disease Diseases 0.000 claims abstract description 10
- 230000002526 effect on cardiovascular system Effects 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims abstract description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000007787 solid Substances 0.000 claims description 33
- -1 benzene compound Chemical class 0.000 claims description 28
- 239000000047 product Substances 0.000 claims description 27
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 21
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 16
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- 239000011541 reaction mixture Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 claims description 8
- 235000010290 biphenyl Nutrition 0.000 claims description 7
- 239000004305 biphenyl Substances 0.000 claims description 7
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- XWAJTVCEILFDGU-UHFFFAOYSA-N 7-methyl-2-propyl-3h-benzimidazole-5-carboxylic acid Chemical compound C1=C(C(O)=O)C=C2NC(CCC)=NC2=C1C XWAJTVCEILFDGU-UHFFFAOYSA-N 0.000 claims description 5
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 claims description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 5
- 239000008194 pharmaceutical composition Substances 0.000 claims description 5
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- QKIUAMUSENSFQQ-UHFFFAOYSA-N dimethylazanide Chemical compound C[N-]C QKIUAMUSENSFQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 2
- 125000003831 tetrazolyl group Chemical group 0.000 claims description 2
- FNLQDVXHDNFXIY-UHFFFAOYSA-N 3h-benzimidazole-5-carboxamide Chemical compound NC(=O)C1=CC=C2NC=NC2=C1 FNLQDVXHDNFXIY-UHFFFAOYSA-N 0.000 claims 1
- 150000001555 benzenes Chemical class 0.000 claims 1
- 125000003884 phenylalkyl group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 102000005862 Angiotensin II Human genes 0.000 abstract description 3
- 101800000733 Angiotensin-2 Proteins 0.000 abstract description 3
- 229950006323 angiotensin ii Drugs 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- CZGUSIXMZVURDU-JZXHSEFVSA-N Ile(5)-angiotensin II Chemical compound C([C@@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC=1C=CC=CC=1)C([O-])=O)NC(=O)[C@@H](NC(=O)[C@H](CCCNC(N)=[NH2+])NC(=O)[C@@H]([NH3+])CC([O-])=O)C(C)C)C1=CC=C(O)C=C1 CZGUSIXMZVURDU-JZXHSEFVSA-N 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 101150059573 AGTR1 gene Proteins 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 description 18
- 230000008018 melting Effects 0.000 description 18
- 238000005160 1H NMR spectroscopy Methods 0.000 description 9
- 238000005481 NMR spectroscopy Methods 0.000 description 8
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 8
- RMMXLENWKUUMAY-UHFFFAOYSA-N telmisartan Chemical compound CCCC1=NC2=C(C)C=C(C=3N(C4=CC=CC=C4N=3)C)C=C2N1CC(C=C1)=CC=C1C1=CC=CC=C1C(O)=O RMMXLENWKUUMAY-UHFFFAOYSA-N 0.000 description 6
- 206010020772 Hypertension Diseases 0.000 description 5
- ZORGKHKVEAHWEJ-UHFFFAOYSA-N 2-methyl-6-phenylbenzoic acid Chemical compound CC1=CC=CC(C=2C=CC=CC=2)=C1C(O)=O ZORGKHKVEAHWEJ-UHFFFAOYSA-N 0.000 description 4
- 108010064733 Angiotensins Proteins 0.000 description 4
- 102000015427 Angiotensins Human genes 0.000 description 4
- 239000002083 C09CA01 - Losartan Substances 0.000 description 3
- 239000005537 C09CA07 - Telmisartan Substances 0.000 description 3
- 101150041968 CDC13 gene Proteins 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 235000019439 ethyl acetate Nutrition 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 229960004773 losartan Drugs 0.000 description 3
- KJJZZJSZUJXYEA-UHFFFAOYSA-N losartan Chemical compound CCCCC1=NC(Cl)=C(CO)N1CC1=CC=C(C=2C(=CC=CC=2)C=2[N]N=NN=2)C=C1 KJJZZJSZUJXYEA-UHFFFAOYSA-N 0.000 description 3
- 229960005187 telmisartan Drugs 0.000 description 3
- ANOUKFYBOAKOIR-UHFFFAOYSA-N 3,4-dimethoxyphenylethylamine Chemical compound COC1=CC=C(CCN)C=C1OC ANOUKFYBOAKOIR-UHFFFAOYSA-N 0.000 description 2
- LTPVSOCPYWDIFU-UHFFFAOYSA-N 4-methoxyphenylethylamine Chemical compound COC1=CC=C(CCN)C=C1 LTPVSOCPYWDIFU-UHFFFAOYSA-N 0.000 description 2
- 239000005541 ACE inhibitor Substances 0.000 description 2
- 101710129690 Angiotensin-converting enzyme inhibitor Proteins 0.000 description 2
- 101710086378 Bradykinin-potentiating and C-type natriuretic peptides Proteins 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229940044094 angiotensin-converting-enzyme inhibitor Drugs 0.000 description 2
- 239000002220 antihypertensive agent Substances 0.000 description 2
- 229940127088 antihypertensive drug Drugs 0.000 description 2
- 125000000319 biphenyl-4-yl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 229940125782 compound 2 Drugs 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 229940125898 compound 5 Drugs 0.000 description 2
- RMXGTMRDXKUUDJ-UHFFFAOYSA-N methyl 2-[4-(bromomethyl)phenyl]benzoate Chemical compound COC(=O)C1=CC=CC=C1C1=CC=C(CBr)C=C1 RMXGTMRDXKUUDJ-UHFFFAOYSA-N 0.000 description 2
- CBFUCKQHENSVAN-UHFFFAOYSA-N methyl 2-methyl-6-phenylbenzoate Chemical compound COC(=O)C1=C(C)C=CC=C1C1=CC=CC=C1 CBFUCKQHENSVAN-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000002464 receptor antagonist Substances 0.000 description 2
- 229940044551 receptor antagonist Drugs 0.000 description 2
- 230000036454 renin-angiotensin system Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- PXJACNDVRNAFHD-UHFFFAOYSA-N (2-methoxyphenyl)methanamine Chemical compound COC1=CC=CC=C1CN PXJACNDVRNAFHD-UHFFFAOYSA-N 0.000 description 1
- CHCOFDZSJYMQMX-NOQNJSOHSA-N (2s)-2-[[(2s)-1-[(2s)-2-[[(2s,3s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-aminopropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methylpentanoyl]amino]-3-(1h-imidazol-5-yl)propanoyl]py Chemical compound C([C@@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC=1C=CC=CC=1)C(O)=O)NC(=O)[C@@H](NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](C)N)C(C)C)C1=CC=C(O)C=C1 CHCOFDZSJYMQMX-NOQNJSOHSA-N 0.000 description 1
- DIVNUTGTTIRPQA-UHFFFAOYSA-N (3,4-dimethoxyphenyl)methanamine Chemical compound COC1=CC=C(CN)C=C1OC DIVNUTGTTIRPQA-UHFFFAOYSA-N 0.000 description 1
- IDPURXSQCKYKIJ-UHFFFAOYSA-N 1-(4-methoxyphenyl)methanamine Chemical compound COC1=CC=C(CN)C=C1 IDPURXSQCKYKIJ-UHFFFAOYSA-N 0.000 description 1
- WNCUVUUEJZEATP-UHFFFAOYSA-N 2,5-Dimethoxy-phenethylamine Chemical compound COC1=CC=C(OC)C(CCN)=C1 WNCUVUUEJZEATP-UHFFFAOYSA-N 0.000 description 1
- WJBMRZAHTUFBGE-UHFFFAOYSA-N 2-(3-methoxyphenyl)ethanamine Chemical compound COC1=CC=CC(CCN)=C1 WJBMRZAHTUFBGE-UHFFFAOYSA-N 0.000 description 1
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 description 1
- GZVHEAJQGPRDLQ-UHFFFAOYSA-N 6-phenyl-1,3,5-triazine-2,4-diamine Chemical class NC1=NC(N)=NC(C=2C=CC=CC=2)=N1 GZVHEAJQGPRDLQ-UHFFFAOYSA-N 0.000 description 1
- 239000004072 C09CA03 - Valsartan Substances 0.000 description 1
- 239000002947 C09CA04 - Irbesartan Substances 0.000 description 1
- 239000002053 C09CA06 - Candesartan Substances 0.000 description 1
- VBZIBMYIYSGHPF-UHFFFAOYSA-N CCCc([nH]c1c2)nc1c(C)cc2C(NC)=O Chemical compound CCCc([nH]c1c2)nc1c(C)cc2C(NC)=O VBZIBMYIYSGHPF-UHFFFAOYSA-N 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 108010083984 angiotensin A Proteins 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 239000012131 assay buffer Substances 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229960000932 candesartan Drugs 0.000 description 1
- SGZAIDDFHDDFJU-UHFFFAOYSA-N candesartan Chemical compound CCOC1=NC2=CC=CC(C(O)=O)=C2N1CC(C=C1)=CC=C1C1=CC=CC=C1C1=NN=N[N]1 SGZAIDDFHDDFJU-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229940121657 clinical drug Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001631 hypertensive effect Effects 0.000 description 1
- 229960002198 irbesartan Drugs 0.000 description 1
- YCPOHTHPUREGFM-UHFFFAOYSA-N irbesartan Chemical compound O=C1N(CC=2C=CC(=CC=2)C=2C(=CC=CC=2)C=2[N]N=NN=2)C(CCCC)=NC21CCCC2 YCPOHTHPUREGFM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- WNAFVJVEADYQAI-UHFFFAOYSA-N methyl 2-phenylbenzoate Chemical compound COC(=O)C1=CC=CC=C1C1=CC=CC=C1 WNAFVJVEADYQAI-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 239000002287 radioligand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- ACWBQPMHZXGDFX-QFIPXVFZSA-N valsartan Chemical compound C1=CC(CN(C(=O)CCCC)[C@@H](C(C)C)C(O)=O)=CC=C1C1=CC=CC=C1C1=NN=NN1 ACWBQPMHZXGDFX-QFIPXVFZSA-N 0.000 description 1
- 229960004699 valsartan Drugs 0.000 description 1
- 239000011534 wash buffer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D235/08—Radicals containing only hydrogen and carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings
Definitions
- the present invention relates to [(4-methyl-2-propylmethoxy substituted phenylalkyl-1H-benzimidazole-6-carboxamide)-1- which is used as an angiotensin ⁇ ATi receptor antagonist
- the methyl]biphenyl compound, a preparation method and a pharmaceutical composition belong to the field of medical technology. Background technique
- Hypertension is the most common cardiovascular disease, and its complications are one of the leading causes of human death and a major public health problem worldwide. China is in a period of rapid social and economic development. With the transformation of society and the aging of the population, people's living standards and behaviors have undergone tremendous changes, and the prevalence of hypertension has also shown a rapid upward trend. There are 160 million people with high blood pressure among adults in China, and more than 6 million new hypertensive patients are added each year. Therefore, it is particularly important to strengthen prevention and treatment of hypertension.
- Non-peptide angiotensin ⁇ ATi receptor antagonist is a new class of antihypertensive drugs acting on the renin-angiotensin system (RAS), compared with angiotensin converting enzyme inhibitor (ACEI).
- RAS renin-angiotensin system
- ACEI angiotensin converting enzyme inhibitor
- the antihypertensive effect is more significant, and the RAS is more selectively blocked, and the side effects are small.
- ARB drugs such as losartan, valsartan, telmisartan, irbesartan and candesartan.
- telmisartan has the highest activity, but its structure is complex and the synthesis is relatively difficult. Therefore, it is important to simplify its structure and synthesize new highly active compounds. Summary of the invention
- the object of the present invention is to solve the problems of complex structure and relatively difficult synthetic difficulty of the ARB antihypertensive drug telmisartan, and to provide a [[4-methyl-] for synthesizing a new highly active compound.
- the [(4-methyl-2-propylmethoxy substituted phenylalkyl-1H-benzimidazole-6-carboxamide)-1-yl]methylbiphenyl compound of the present invention has the following formula: Wherein n is 1 or 2; is 2-methoxy, 3-methoxy, 4-methoxy, 3,4-dimethoxy or 2,5-dimethoxyphenyl; R 2 is Carboxyl or tetrazolyl.
- P is a methoxycarbonyl group or a trityltetrazolyl group.
- N-methoxy substituted phenylalkylamine is any one represented by the following formula:
- the passage of the intermediate A is as follows:
- n 1 or 2; is 2-methoxy, 3-methoxy, 4-methoxy, 3,4-dimethoxy or 2, 5- Dimethoxy;
- n 1 or 2; is 2-methoxy, 3-methoxy, 4-methoxy, 3,4-dimethoxy or 2, 5- Dimethoxy; P is methoxycarbonyl or trityltetrazolyl;
- the molar ratio of the compound C to the aqueous sodium hydroxide solution is 1: 5;
- P represents a trityltetrazolyl group
- the compound C is added to the solvent tetrahydrofuran and methanol, and then 10% hydrochloric acid is added thereto, and the reaction is stirred at room temperature for 12 hours ; the reaction mixture is adjusted to pH 12 with 2 mol/L sodium hydroxide, and then the reaction mixture is adjusted to pH 12 with 2 mol/L sodium hydroxide.
- the present invention provides a pharmaceutical composition for treating cardiovascular and cerebrovascular diseases, which comprises a therapeutically effective amount of the above [(4-methyl-2-propylmethoxy substituted phenylalkyl-1H-benzimidazole- 6-carboxamide)-1-yl]methylbiphenyl compounds and pharmaceutically conventional excipients.
- the pharmaceutical composition according to the present invention can be obtained by a conventional method of pharmacy.
- the present invention provides a method for treating cardiovascular and cerebrovascular diseases, which comprises administering to a patient suffering from cardiovascular and cerebrovascular diseases a therapeutically effective amount of the above [(4-methyl-2-propylmethoxy substituted phenylalkyl-1H-benzene) And imidazole-6-carboxamide-1-yl]methylbiphenyl compounds.
- the beneficial effects of the present invention are as follows:
- the compound of the present invention has a good angiotensin A ATi receptor inhibitory activity, and can be used for preparing a medicament for treating cardiovascular and cerebrovascular diseases, and an aqueous solution thereof is directly reacted with sodium hydroxide or potassium hydroxide.
- the sodium salt or potassium salt of the product has simple structure and synthesis process, and the raw material is easy to obtain, and is suitable for China's national conditions. Detailed ways
- reaction mixture was naturally warmed to room temperature and reacted at room temperature for 5 h.
- the reaction solution was washed successively with a saturated aqueous solution of sodium hydrogen carbonate and water, dried and evaporated to dryness.
- Amino) -1H-benzimidazole-6-carboxamide 2.63 g.
- the total yield in two steps was 77.9 %.
- IR KBr vmax/cm- 1 3308, 1727, 1631, 1590, 1544, 1458, 1288, 1244, 1129;
- the methoxy-substituted phenylalkylamine is 10 mmol of 4-methoxybenzylamine, and the other feeding and carrying methods are the same as in the step (1) of Example 1, the product is a white solid 4-methyl-2-propyl -N-(4-Methoxybenzylamino)-1H-benzimidazole-6-carboxamide, yield 71.4%, m.p. 133 - 135.
- IR KBr vmax/cm- 1 3357, 1652, 1593, 1533 , 1511, 1454, 1293, 1245, 1041, 880,
- the methoxy-substituted phenylalkylamine is 10 mmol 3,4-dimethoxybenzylamine, and the other conditions and methods are the same as in the step (1) of Example 1, and the product is a white solid 4-methyl- 2-propyl-N-(3,4-dimethoxybenzylamino)-1H-benzimidazole-6-carboxamide, yield 75.0%, m.p.
- the methoxy-substituted phenylalkylamine is 10 mmol 2,5-dimethoxyphenethylamine, and the other preparation and implementation methods are the same as in the step (1) of Example 1, and the product is a white solid 4-methyl.
- IR KBr ax/cm- 1 3361 , 1654, 1597, 1536, 1501, 1465, 1355, 1291, 1244, 1039, 809, 764;
- step (2) of 1 Replacing 4'-bromomethylbiphenyl-2-carboxylic acid methyl ester with 4'-bromomethylbiphenyl-2-(2'-N-triphenylmethyl)tetrazole, other conditions are the same as in the examples In step (2) of 1, the product is a white solid 4-methyl-2-propyl-N-(2-methoxybenzylamino)-1-[2'-(1-tritylmethyltetrazole -5-yl)biphenyl-4-yl]methylbenzimidazole-6-carboxamide, yield 86.3%.
- IR KBr ix/cm- 1 3263 , 1635, 1591, 1536, 1492, 1458, 1392, 1275, 1240, 1119, 1026, 877, 754;
- the methoxy-substituted phenylalkylamine is 10 mmol 3-methoxyphenethylamine, and the other feeding and carrying out methods are the same as in the step (1) of Example 1, the product is a white solid 4-methyl-2- Propyl-indole 3-methoxyphenethylamino)-1H-benzimidazole-6-carboxamide, yield 75.7%.
- IR KBr vmax/cm- 1 3427, 1637, 1593, 1541, 1457, 1352, 1262, 1215, 1149, 1093, 875, 757;
- the methoxy-substituted phenylalkylamine is 10 mmol 4-methoxyphenethylamine, and the other preparation and implementation methods are the same as in the step (1) of Example 1, and the product is a white solid 4-methyl-2- Propyl-indole 4-methoxyphenethylamino)-1H-benzimidazole-6-carboxamide, yield 76.6%, mp 149 ⁇ 151 °C.
- the methoxy-substituted phenylalkylamine is 10 mmol of 3,4-dimethoxyphenethylamine, and the other preparation and implementation methods are the same as in the step (1) of Example 1, and the product is a white solid 4-methyl.
- reagents were added sequentially to a 96-well culture plate (COSTAR, USA): AT i Receptor 15 ⁇ /well (diluted to 2.0 ⁇ ⁇ /well with assay buffer, pre-warmed at 37 °C buffer), ⁇ 0.1 % DMSO, tested Add 10 ⁇ of different concentrations of test drug to the tube, add 10 ⁇ of deionized water to the tube, add 1 mg / mL Angiotensin II standard ⁇ (55 ⁇ / well) to the tube, and incubate at 37 °C for 30 min. , [ ⁇ -Sar 1 is added to each hole.
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WO2008153857A1 (en) * | 2007-06-05 | 2008-12-18 | Theravance, Inc. | Dual-acting benzoimidazole antihypertensive agents |
WO2009004064A1 (en) * | 2007-07-03 | 2009-01-08 | Krka, Tovarna Zdravil, D.D., Novo Mesto | Process for preparing telmisartan |
WO2009116089A2 (en) * | 2008-03-14 | 2009-09-24 | Ipca Laboratories Limited | Novel intermediates and method for synthesis of 4'-[(1,4'-dimethyl-2'-propyl-[2,6'- bi-1hbenzimidazol]-l-yl)methyl]-1,1-biphenyl]-2-carboxylic acid. |
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