DK148685B - Analogifremgangsmaade til fremstilling af 2-substituerede 4-(4-(2-methyl-3-hydroxy-4-hydroxymethyl)-1-piperazinyl)-6-methylpyrimidinderivater - Google Patents
Analogifremgangsmaade til fremstilling af 2-substituerede 4-(4-(2-methyl-3-hydroxy-4-hydroxymethyl)-1-piperazinyl)-6-methylpyrimidinderivater Download PDFInfo
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- DK148685B DK148685B DK310678AA DK310678A DK148685B DK 148685 B DK148685 B DK 148685B DK 310678A A DK310678A A DK 310678AA DK 310678 A DK310678 A DK 310678A DK 148685 B DK148685 B DK 148685B
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- methyl
- hydroxymethyl
- hydroxy
- piperazinyl
- substituted
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- 238000000034 method Methods 0.000 title description 8
- 150000001875 compounds Chemical class 0.000 description 22
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 12
- 241001465754 Metazoa Species 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 6
- 241000700159 Rattus Species 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 241000283973 Oryctolagus cuniculus Species 0.000 description 5
- 235000012000 cholesterol Nutrition 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 150000002632 lipids Chemical class 0.000 description 5
- -1 2-substituted 4- [4- (2-methyl-3-hydroxy-4-hydroxymethyl-5-pyridylmethyl) -1-piperazinyl] -6-methylpyrimidines Chemical class 0.000 description 4
- BPYKTIZUTYGOLE-IFADSCNNSA-N Bilirubin Chemical compound N1C(=O)C(C)=C(C=C)\C1=C\C1=C(C)C(CCC(O)=O)=C(CC2=C(C(C)=C(\C=C/3C(=C(C=C)C(=O)N\3)C)N2)CCC(O)=O)N1 BPYKTIZUTYGOLE-IFADSCNNSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- IJMWOMHMDSDKGK-UHFFFAOYSA-N Isopropyl propionate Chemical compound CCC(=O)OC(C)C IJMWOMHMDSDKGK-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- LXNHXLLTXMVWPM-UHFFFAOYSA-N Vitamin B6 Natural products CC1=NC=C(CO)C(CO)=C1O LXNHXLLTXMVWPM-UHFFFAOYSA-N 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- KNHUKKLJHYUCFP-UHFFFAOYSA-N clofibrate Chemical compound CCOC(=O)C(C)(C)OC1=CC=C(Cl)C=C1 KNHUKKLJHYUCFP-UHFFFAOYSA-N 0.000 description 3
- 210000004185 liver Anatomy 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 229960003512 nicotinic acid Drugs 0.000 description 3
- 235000001968 nicotinic acid Nutrition 0.000 description 3
- 239000011664 nicotinic acid Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- WUGTXQVNSRFDNV-UHFFFAOYSA-N 2,4-dichloro-6-methylpyridine Chemical compound CC1=CC(Cl)=CC(Cl)=N1 WUGTXQVNSRFDNV-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 206010003210 Arteriosclerosis Diseases 0.000 description 2
- 208000037260 Atherosclerotic Plaque Diseases 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 108010007622 LDL Lipoproteins Proteins 0.000 description 2
- 102000007330 LDL Lipoproteins Human genes 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 2
- UCTWMZQNUQWSLP-UHFFFAOYSA-N adrenaline Chemical compound CNCC(O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-UHFFFAOYSA-N 0.000 description 2
- 230000004520 agglutination Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 230000037213 diet Effects 0.000 description 2
- 235000005911 diet Nutrition 0.000 description 2
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 108010022197 lipoprotein cholesterol Proteins 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000008160 pyridoxine Nutrition 0.000 description 2
- 239000011677 pyridoxine Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 2
- 229940011671 vitamin b6 Drugs 0.000 description 2
- XTWYTFMLZFPYCI-KQYNXXCUSA-N 5'-adenylphosphoric acid Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OP(O)(O)=O)[C@@H](O)[C@H]1O XTWYTFMLZFPYCI-KQYNXXCUSA-N 0.000 description 1
- XTWYTFMLZFPYCI-UHFFFAOYSA-N Adenosine diphosphate Natural products C1=NC=2C(N)=NC=NC=2N1C1OC(COP(O)(=O)OP(O)(O)=O)C(O)C1O XTWYTFMLZFPYCI-UHFFFAOYSA-N 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000699800 Cricetinae Species 0.000 description 1
- 101100411611 Dictyostelium discoideum racO gene Proteins 0.000 description 1
- SKBLJQADGZYMKA-UHFFFAOYSA-N OPOP Chemical compound OPOP SKBLJQADGZYMKA-UHFFFAOYSA-N 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 108010058846 Ovalbumin Proteins 0.000 description 1
- 241000700157 Rattus norvegicus Species 0.000 description 1
- 229960001138 acetylsalicylic acid Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004856 capillary permeability Effects 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 239000007903 gelatin capsule Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- XBCXJKGHPABGSD-UHFFFAOYSA-N methyluracil Natural products CN1C=CC(=O)NC1=O XBCXJKGHPABGSD-UHFFFAOYSA-N 0.000 description 1
- 235000020925 non fasting Nutrition 0.000 description 1
- 229940092253 ovalbumin Drugs 0.000 description 1
- 230000001936 parietal effect Effects 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 125000002181 pyridoxine group Chemical group 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- RWQNBRDOKXIBIV-UHFFFAOYSA-N thymine Chemical compound CC1=CNC(=O)NC1=O RWQNBRDOKXIBIV-UHFFFAOYSA-N 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
-
- 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
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Obesity (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyridine Compounds (AREA)
Description
148685 i
Den foreliggende opfindelse angår en analogifremgangsmåde til fremstilling af hidtil ukendte 2-substituerede 4-[4-(2-methyl-3-hydroxy-4-hydroxymethyl-5-pyridylmethyl)-1-piperazinyl]-6-methylpyrimidiner med den i kravets indledning anførte formel I eller terapeutisk acceptable salte deraf, og fremgangsmåden ifølge opfindelsen er ejendommelig ved det i kravets kendetegnende del anførte.
De omhandlede forbindelser og deres terapeutisk acceptable salte er særlig bemærkelsesværdige ved deres anti-atheroma-virkning, der som helhed overgår virkningen af kendte standardforbindelser, såsom acetylsalicylsyre og salte deraf, ethyl-p-chlorphenoxyisobutyrat, nicotin-syre og salte heraf, 2-methyl-2-[4-(4'-chlorbenzoyl)phe-noxy]-propionsyreisopropylester samt 2,6-bis(diethanol-amino)-4,8- dipiperidinopyrimido-[5,4,d]-pyrimidin.
En række forsøg har demonstreret, at de omhandlede forbindelser udviser en særdeles gunstig virkning på: (a) den vasculære og parietale karakter af atheromaen (ødem-test på rotter med ovalbumin og carrageenin; sænkning af rotters kapillarpermeabilitet), (b) blodpladernes karakter (blodpladernes klæbeevne in vitro; blodpladernes agglutination in vitro mod collagen, adrenalin og adenosindiphosphat; blodpladernes agglutination in vivo på hamsteres kindposer), og (c) den fibrolipide karakter (triton-prøve af trigly-cider og cholesterol på rotter og eksperimentelle hyperlipemia- og hypercholesterolemia-prøver på kaniner).·
Ved de sidstnævnte forsøg med kaniner bemærkes det eksempelvis, at de dyr, der er behandlet med en forbindelse fremstillet ifølge opfindelsen, udviser en formindskelse i total lipid, der ligger under de værdier, der blev 2 148695 fundet hos kontroldyrene, hvorimod de dyr, der kun fik den hyperlipide kost uden behandling, udviser en meget betydelig lipæmi. Dette fænomen optræder eksempelvis ikke ved behandling med ethyl-p-chlorphenoxyisobutyrat.
Ued triton-prøven er den beskyttelse, som de omhandlede forbindelser giver, tre gange så god som den beskyttelse, der med samme dosering opnås med ethyl-p-chlorphenoxy-isobutyrat og 2,6-bis-(diethanolamino)-4,8-dipiperidinopy-rimido[5,4,d]pyrimidin, og den kan sammenlignes med den virkning, der opnås med nicotinsyre. Dette fremgår af den følgende tabel: 3 148685 h ω •π ω ·η μ r- oo co ω ο t~~ μ ιλ ι-λ <f
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o o o o o \ · ....
cn Q Q Q Q Q
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4J I II
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148685 4
Forbindelserne ifølge eksempel 1 og 2 egner sig bedre til klinisk anvendelse end nicotinsyre, fordi sidstnævnte forbindelse giver anledning til "flushing" (pludselig rødmen), hvilken ulempe ikke optræder med forbindelserne fremstillet ifølge opfindelsen.
Forbindelsen fra eksempel 2 samt salte heraf ses at være mest virksomme, og de har vist sig at have særdeles tilfredsstillende virkning inden for samme terapeutiske område, sådan som det eksempelvis er undersøgt ved følgende forsøgt (d) Indvirkning på lipid-parametrene hos normale rotter (fremgangsmåde angivet af K. M. Baggaley et al., J.
Med. Chem., 20 (11), 1388-93 (1977)).
Når forbindelserne indgives til normale rotter, nedsætter de ikke mængden af cholesterol og total lipid, i modsætning til 2-methyl-2[4-(4'-chlorbenzoyl)phenoxy]-propionsyreisopropylester. Dette er en væsentlig fordel, som ses af følgende forsøg:
Der anvendes Wistar-hanrotter (vægt 280 g) i 4 grupper på hver 10 dyr. De behandles dagligt med testforbindel-sen i 3 dage (peroral indgivelse). En fjerde indgift gives en time før blodudtagelse, og efter udtagelse og vejning af leveren måler man indholdet af cholesterol, lipider (total) og bilirubin i plasma.
Testforbindelserne indgives imængder på 10 mol/kg/. dåg. Resultaterne fremgår af tabel 2: 148685 5
Tabel 2
Forbindelse Cholesterol g/1 Total lipid g/1 Bilirubin g/1
Kontrol 0,59 1,81 3,26 2-methyl-2-[4-(4'-chlorbenzoyl)phe-noxy]propionsyre- isopropy lester 0,44 1,16 2,21
Forbindelse ifølge eks. 1 0,55 1,65 3,30
Forbindelse ifølge eks. 2 0,56 1,78 3,54 (e) Indvirkning af dyslipemia, fremprovokeret ved faste hos kaniner (fremgangsmåde beskrevet af C. B. Ammerman et al., Am. 3. Phys. 200, 75 - 79 (1968)).
Fasten inducerer en stigning i indholdet af triglycerid, cholesterol og β-lipoproteiner i kaninens blod.
Hos dyr, der er behandlet med en forbindelse beskrevet i eksempel 2, forbliver disse faktorer faktisk normale, hvorimod kun indholdet af cholesterol og β-lipoprotein forbliver normalt hos dyr, der er behandlet med 2-methyl- 2-[4-(4'-chlorbenzoyl)phenoxy]propionsyreisopropylester.
Indholdet af triglycerid øges derimod voldsomt (mere end indholdet hos fastende, ikke-behandlede dyr).
Dette fremgår af følgende forsøg:
Der anvendes 5 grupper på hver 8 kaniner, som sættes på 5 dages vanddiæt, hvilket fremprovokerer en forøget 6 143695 biosyntese af cholesterolet i leveren. Dyrene behandles perorali; me J t es tPorLindel sen U»g l - i), hi/mftm blodet udtages (dag 6) dg analyseres, og leveren vejes.
Der anvendes både fastende og ikke-fastende kontroldyr.
Forbindelserne afprøves i koncentrationer på 10-^ mol/ kg/dag.
Resultaterne fremgår af den efterfølgende tabel 3: 7 148685 (Λ Ρ •Η C Ό 5» > Ο Ρ Ό -Ρ Ρ Ο I Ρ C -Ρ -C 0 0 Ο ø ø ρ ¢- ό ρ ^ Ο ·Η Ο C -Ρ Ν <Τ<Γ ο ρ α- rH ω c νο cm ρ
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o « O p C ι ι ι || , . p «Η P O 0 O 1 ' ti a > + £ ^ ^ ________ ; ————‘ ^ w . w 0 > > > P 0 (Λ « S Μ § ^ ^ ^ ^
fjpø KV CM CM CM CM
i—I
u <t i m i > u c > ή cg c Ό I (D X I <U · fl) aj<-) rmjdo o m in in in +JO >IWC,H H J H Ji (nnmO>-<o<u 'Q.niu(uø<u aj-P‘Or-i>,!-i-c::0<DO Ό ft-cco^£Q.°t04->ca>caj o Φ H +J o Λ „ ·η in ·η ο ·η σ ω -ρ -υ ω ΐ"Η“·(ϋω^3>ΗΛΜ (0 C Ε - >>P(-lt-HHSW®
fJ-U) qJ L_ ·Η U- *H
i----—.-—---- 148685 8
Toxicitet
Toxiciteten af forbindelser beskrevet i eksempel 1 og 2 er undersøgt per os hos rotter og mus. Ingen dødelighed hos mus ved maksimumdosis 4 g/kg og 20S dødelighed hos rotter ved maksimumdosis 3 g/kg. Disse tal bekræfter den lave toxicitet af de omhandlede forbindelser.
Dosering - formulering
Til menneskelig terapi ligger den virksomme dosis per os på 1,5 - 10 g aktiv forbindelse pr. dag. Foretrukne fremstillingsformer for disse midler er tabletter og gelatinekapsler med 0,25 - 1 g aktiv forbindelse.
Fremgangsmåden ifølge opfindelsen illustreres ved de følgende eksempler: EKSEMPEL 1
Bis-2,4-[4-(2-methyl-3-hydroxy-4-hydroxymethyl-5-pyridyl-methyl)-l-piperazinyl]-6-methylpyrimidin
Reaktionsskema: H3C CH3 ch ^f^0>CH2 H2C/CS^ 3 H3^0 I /""Λ ||*7 / \ i ] CH3
\^·γ CH2_N N-!^ _Cl + HN N-CH2—(c2H5>3N
H^e—Ic' J ^^ N ^ ^ L CH, ^
J N N
148685 9
CEL
Η3<Χ ^ I h c^0^CH3 H3C O Γ /—\ fl f / \ 3 yV c« h^, »-ch2-jt hci -» ·,ΑΧ w ‘ w tA· CH, I ch2oh
,ch2oh _ AA
A /\ I I / \ A.
HO-,<^N_CH0-N N-!L -N N-CH^ SN—OH
ΛΓ w * w U1^ I en 10 liters beholder udstyret med opvarmning, køling og omrøring anbragtes 277 g (1 mol) 0,0'-isopropylidenyl-Z-methyl-J-hydroxy^-hydroxymethyl^-dSI-piperazinyl-methyl)-pyridin, 3 liter tør acetonitril, 404 g (1 mol) 2-chlor-4-[4-(0,0'-isopropylidenyl-2-methyl-3-hydroxy- 4-hydroxymethyl-5-pyridylmethyl)-l-piperazinyl]-6-methyl-pyrimidin og 102 g (1 mol) triethylamin. Blandingen blev omrørt under tilbagesvaling i 40 timer og derefter afkølet til 5 °C.
Det udskilte bundfald blev udvasket med diethylether og dernæst med vand, indtil det var befriet for chlor-ioner. Efter tørring opnåedes 515 g (ea. 80°ό udbytte) bis-2,4-[4-(0,0'-isopropy1ideny1-2-methy1-3-hydroxy-4-hydroxymethyl-5-pyridyl-methyl)-l-piperazinyl]-6-methyl-pyrimidin.
Det som udgangsmateriale anvendte 2-chlor-4-[4-(0,0'-isopropylidenyl-2-methyl-3-hydroxy-4-hydroxymethyl-5- 146685 ίο pyridylmethyl)-1-piperazinyl]-6-methylpyrimidin blev fremstillet ved at omsætte støkiometriske mængder af 0,0 -isopropylideny1-2-methyl-3-hydroxy-4-hydroxyme-thyl-5-(N-piperazinylmethyl)-pyridin og 2,4-dichlor-6-methylpyridin under samme reaktionsbetingelser som angivet ovenfor, dog med den undtagelse, at tilbagesvalingstiden kun var 20 timer.
2,4-dichlor-6-methylpyridin blev fremstillet ved at chlorere methyluracil med phosphoroxychlorid. Ο,Ο'-iso-propylidenyl-2-methyl-3-hydroxy-4-hydroxymethyl-5-(N-piperazinylmethyD-pyridin blev fremstillet ved at blokere hydroxyl- og hydroxymethylgrupperne i pyridoxinens 3- og 4-stilling ved hjælp af acetone, og derefter omsætte den resulterende blokerede pyridoxin med pipera-zin.
Det fremstillede bis-2,4-[4-(0,0'-isopropylidenyl-2-methyl-3-hydroxy-4-hydroxymethyl-5-pyridylmethyl)-1-pi-perazinyl]-6-methylpyrimidin blev behandlet med saltsyre under omrøring ved ca. 80 °C i 3 timer. Ved denne behandling opnåedes 435 g (ca. 77% udbytte) af det ønskede produkt: et hvidt pulver, der smeltede ved ca.
240 °C under dekomponering. En analyse viste god overensstemmelse med formlen C^H^gNgO^.
Forbindelsen viste sig at være uopløselig i vand, ethanol, chloroform og transcutol ved stuetemperatur, men opløselig i dimethylsulfoxid under samme betingelser.
Dimaleatet og monocitratet fås bekvemt ved velkendte fremgangsmåder. Disse salte er vandopløselige.
148685 11 EKSEMPEL 2 2- piperidino-4-[4-(2-methy1-3-hydroxy-4-hydroxymethyl- 5-pyridylmethyl)-l-piperazinyl1-6-methylpyrimidin
Fremgangsmåden beskrevet i eksempel 1 blev gentaget med den undtagelse, at O,O'-isopropylidenyl-2-methyl- 3- hydroxy-4-hydroxymethy1-5-(N-piperazinylmethyl)pyridin blev erstattet af 1 mol piperidin. Det ønskede produkt, et hvidt pulver med smeltepunkt 208 °C, blev opnået i et udbytte på ca. 76¾. En analyse viste god overensstemmelse med formlen ^22^32^6*^2* forbindelsen er ved stuetemperatur uopløselig i vand, men opløselig i chloroform, ethanol, transcutol og dimethylsulfoxid. Det tilsvarende monocitrat er et hvidt pulver med smeltepunkt 118 - 121 °C (Tottoli), nogenlunde opløseligt i vand, hvis det er udvundet ved krystallisation, og meget opløseligt i vand, hvis det er udvundet ved lyofilisering.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2928177 | 1977-07-12 | ||
| GB2928177 | 1977-07-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK310678A DK310678A (da) | 1979-01-13 |
| DK148685B true DK148685B (da) | 1985-09-02 |
| DK148685C DK148685C (da) | 1986-02-17 |
Family
ID=10289056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK310678A DK148685C (da) | 1977-07-12 | 1978-07-11 | Analogifremgangsmaade til fremstilling af 2-substituerede 4-(4-(2-methyl-3-hydroxy-4-hydroxymethyl)-1-piperazinyl)-6-methylpyrimidinderivater |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4174395A (da) |
| JP (1) | JPS5452088A (da) |
| AR (1) | AR218072A1 (da) |
| AT (1) | AT358198B (da) |
| AU (1) | AU517046B2 (da) |
| BE (1) | BE868539A (da) |
| CA (1) | CA1097645A (da) |
| CH (1) | CH632267A5 (da) |
| DE (1) | DE2830670C2 (da) |
| DK (1) | DK148685C (da) |
| EG (1) | EG13550A (da) |
| ES (1) | ES471608A1 (da) |
| FI (1) | FI63026C (da) |
| FR (2) | FR2397413A1 (da) |
| HK (1) | HK18783A (da) |
| IE (1) | IE47027B1 (da) |
| IN (1) | IN148661B (da) |
| LU (1) | LU79916A1 (da) |
| MX (1) | MX5103E (da) |
| MY (1) | MY8500031A (da) |
| NL (1) | NL170855C (da) |
| NO (1) | NO149846C (da) |
| NZ (1) | NZ187655A (da) |
| OA (1) | OA06120A (da) |
| PT (1) | PT68268A (da) |
| SE (1) | SE436875B (da) |
| SG (1) | SG60982G (da) |
| ZA (1) | ZA783521B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT387221B (de) * | 1980-09-08 | 1988-12-27 | Bristol Myers Co | Verfahren zur herstellung des neuen |
| US6854146B2 (en) | 2000-06-12 | 2005-02-15 | Milliken & Company | Method for producing digitally designed carpet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459367A (en) * | 1947-11-12 | 1949-01-18 | American Cyanamid Co | 1,4-di (heterocyclic substituted) piperazines |
| US2606906A (en) * | 1948-10-14 | 1952-08-12 | American Cyanamid Co | 1-(2-pyridyl) piperazine and process of preparing same |
| US2748125A (en) * | 1954-04-26 | 1956-05-29 | American Cyanamid Co | 1-substituted-4-sulfamylpiperazine and method of preparing the same |
| GB1433222A (da) * | 1973-03-28 | 1976-04-22 | Prod Ch8Mi Soc Et |
-
1978
- 1978-06-20 ZA ZA00783521A patent/ZA783521B/xx unknown
- 1978-06-21 FI FI781982A patent/FI63026C/fi not_active IP Right Cessation
- 1978-06-21 IN IN457/DEL/78A patent/IN148661B/en unknown
- 1978-06-22 NZ NZ187655A patent/NZ187655A/xx unknown
- 1978-06-28 BE BE188906A patent/BE868539A/xx not_active IP Right Cessation
- 1978-06-29 AT AT474578A patent/AT358198B/de not_active IP Right Cessation
- 1978-07-03 US US05/921,335 patent/US4174395A/en not_active Expired - Lifetime
- 1978-07-04 LU LU79916A patent/LU79916A1/xx unknown
- 1978-07-04 NL NLAANVRAGE7807228,A patent/NL170855C/xx not_active IP Right Cessation
- 1978-07-07 CH CH741778A patent/CH632267A5/fr not_active IP Right Cessation
- 1978-07-10 IE IE1383/78A patent/IE47027B1/en unknown
- 1978-07-10 PT PT68268A patent/PT68268A/pt unknown
- 1978-07-10 CA CA307,056A patent/CA1097645A/en not_active Expired
- 1978-07-11 AR AR272915A patent/AR218072A1/es active
- 1978-07-11 EG EG435/78A patent/EG13550A/xx active
- 1978-07-11 MX MX787221U patent/MX5103E/es unknown
- 1978-07-11 ES ES471608A patent/ES471608A1/es not_active Expired
- 1978-07-11 DK DK310678A patent/DK148685C/da active
- 1978-07-11 SE SE7807721A patent/SE436875B/sv not_active IP Right Cessation
- 1978-07-11 NO NO782408A patent/NO149846C/no unknown
- 1978-07-11 JP JP8362078A patent/JPS5452088A/ja active Granted
- 1978-07-11 AU AU37934/78A patent/AU517046B2/en not_active Expired
- 1978-07-12 FR FR7820755A patent/FR2397413A1/fr active Granted
- 1978-07-12 DE DE2830670A patent/DE2830670C2/de not_active Expired
- 1978-07-12 FR FR7820756A patent/FR2400362A1/fr active Granted
- 1978-09-25 OA OA56615A patent/OA06120A/xx unknown
-
1982
- 1982-12-03 SG SG609/82A patent/SG60982G/en unknown
-
1983
- 1983-06-02 HK HK187/83A patent/HK18783A/xx unknown
-
1985
- 1985-12-30 MY MY31/85A patent/MY8500031A/xx unknown
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