JP2009513537A - エナンチオマー的に純粋なミルタザピンの調製方法 - Google Patents
エナンチオマー的に純粋なミルタザピンの調製方法 Download PDFInfo
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- JP2009513537A JP2009513537A JP2006518216A JP2006518216A JP2009513537A JP 2009513537 A JP2009513537 A JP 2009513537A JP 2006518216 A JP2006518216 A JP 2006518216A JP 2006518216 A JP2006518216 A JP 2006518216A JP 2009513537 A JP2009513537 A JP 2009513537A
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- acid
- mirtazapine
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- compound
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- RONZAEMNMFQXRA-UHFFFAOYSA-N mirtazapine Chemical compound C1C2=CC=CN=C2N2CCN(C)CC2C2=CC=CC=C21 RONZAEMNMFQXRA-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229960001785 mirtazapine Drugs 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 65
- 150000001875 compounds Chemical class 0.000 claims abstract description 38
- 239000002904 solvent Substances 0.000 claims abstract description 23
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- 238000007363 ring formation reaction Methods 0.000 claims abstract description 5
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 22
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 17
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000006798 ring closing metathesis reaction Methods 0.000 claims description 13
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- 239000002798 polar solvent Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 230000000707 stereoselective effect Effects 0.000 claims description 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims 2
- 150000007513 acids Chemical class 0.000 abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- 239000011541 reaction mixture Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- RONZAEMNMFQXRA-MRXNPFEDSA-N esmirtazapine Chemical compound C1C2=CC=CN=C2N2CCN(C)C[C@@H]2C2=CC=CC=C21 RONZAEMNMFQXRA-MRXNPFEDSA-N 0.000 description 10
- PYZPABZGIRHQTA-MRXNPFEDSA-N [2-[(2s)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl]methanol Chemical compound C1([C@@H]2N(CCN(C2)C)C=2C(=CC=CN=2)CO)=CC=CC=C1 PYZPABZGIRHQTA-MRXNPFEDSA-N 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 8
- 235000019341 magnesium sulphate Nutrition 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000012044 organic layer Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000012453 solvate Substances 0.000 description 4
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 0 *Cc1c(N(CC*(Cl)=CC2)C2c2ccccc2)nccc1 Chemical compound *Cc1c(N(CC*(Cl)=CC2)C2c2ccccc2)nccc1 0.000 description 2
- -1 2-substituted nicotinonitrile Chemical class 0.000 description 2
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- PVNBEADBJHJCRN-PKLMIRHRSA-N [2-[(2s)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl]methanol;oxalic acid Chemical compound OC(=O)C(O)=O.C1([C@@H]2N(CCN(C2)C)C=2C(=CC=CN=2)CO)=CC=CC=C1 PVNBEADBJHJCRN-PKLMIRHRSA-N 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- 150000001733 carboxylic acid esters Chemical class 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001640 fractional crystallisation Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000008194 pharmaceutical composition Substances 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- 150000003459 sulfonic acid esters Chemical class 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 1
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 1
- XDJWZONZDVNKDU-UHFFFAOYSA-N 1314-24-5 Chemical compound O=POP=O XDJWZONZDVNKDU-UHFFFAOYSA-N 0.000 description 1
- KMGUEILFFWDGFV-UHFFFAOYSA-N 2-benzoyl-2-benzoyloxy-3-hydroxybutanedioic acid Chemical compound C=1C=CC=CC=1C(=O)C(C(C(O)=O)O)(C(O)=O)OC(=O)C1=CC=CC=C1 KMGUEILFFWDGFV-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- RONZAEMNMFQXRA-INIZCTEOSA-N LSM-5894 Chemical compound C1C2=CC=CN=C2N2CCN(C)C[C@H]2C2=CC=CC=C21 RONZAEMNMFQXRA-INIZCTEOSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- PYZPABZGIRHQTA-INIZCTEOSA-N [2-[(2r)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl]methanol Chemical compound C1([C@H]2N(CCN(C2)C)C=2C(=CC=CN=2)CO)=CC=CC=C1 PYZPABZGIRHQTA-INIZCTEOSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- VMPVEPPRYRXYNP-UHFFFAOYSA-I antimony(5+);pentachloride Chemical compound Cl[Sb](Cl)(Cl)(Cl)Cl VMPVEPPRYRXYNP-UHFFFAOYSA-I 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000011914 asymmetric synthesis Methods 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000012280 lithium aluminium hydride Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010641 nitrile hydrolysis reaction Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 150000003008 phosphonic acid esters Chemical class 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- VSAISIQCTGDGPU-UHFFFAOYSA-N phosphorus trioxide Inorganic materials O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000006340 racemization Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000004366 reverse phase liquid chromatography Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 201000002859 sleep apnea Diseases 0.000 description 1
- 208000019116 sleep disease Diseases 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 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
- C07D401/04—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 directly linked by a ring-member-to-ring-member bond
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/24—Antidepressants
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
- C07D471/14—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pain & Pain Management (AREA)
- Psychiatry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
Description
[S]−ミルタザピンの調製
(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(0.23g、1.03ミリモル)を、N−メチルピロリジノン(10mL)に溶解した。得られた溶液を、81℃で攪拌しながら、N−メチルピロリドン(5mL)中のポリリン酸(1.46g)に滴下した。反応混合物を100℃で72時間攪拌した後、水酸化ナトリウム溶液およびジエチルエーテルで希釈した。有機層を分離し、水で2回洗浄した。硫酸マグネシウムを添加し、ろ過によってそれを除去し、ろ液を蒸発させた。表題化合物(0.19g、68%)がオイル状の生成物として得られた。生成物のエナンチオマー過剰率(e.e.)は、99.2%であった。
ポリリン酸(41.8g)とN−メチルピロリジン(10.5ml)の混合物に、(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(7.02g、24.7mmol)のN−メチルピロリジノン(10mL)溶液を添加した。反応混合物を130℃に1時間加熱した。反応混合物に、水(152ml)、ジカライト(8.8g)、トルエン(76ml)、33%水酸化ナトリウム溶液(128ml)を加えた。水層を分離し、トルエン(76ml)で2回抽出した。トルエン層を合わせて水(76ml)で3回洗浄し、MgSO4で乾燥し、蒸発させた。これによって、e.eが99%の(S)−ミルタザピン(70%)4.63gが得られた。
(S)−ミルタザピンの調製
(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(0.30g、1.0587mmole)を、18.75mlのジメチルホルムアミドに溶解した。その溶液に0.75gのジカライトおよび1.5gのポリリン酸を加えた。反応混合物を100℃で一日攪拌した。次にこれを水酸化ナトリウムで希釈し、ジエチルエーテルで抽出した。有機層を水で2回洗浄し、硫酸マグネシウムで乾燥し、ろ過し、ろ液を蒸発させた。表題化合物(0.19g、68%)がオイル状の生成物として得られた。生成物のe.eは99.2%であった。
(S)−ミルタザピンの調製
(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(0.50g、1.76mmole)を、N−メチルピロリドン(7.5ml)に溶解し、100℃に加熱した。この混合物にジカライト(0.62g)および五酸化リン(1.26g)を添加した。66時間後に反応が終了した。反応混合物に水を加え、次にろ過した。4N水酸化ナトリウム溶液を加えてpHを14に調節した。この水溶液をジエチルエーテルで抽出した。有機層を硫酸マグネシウムで乾燥し蒸発させた。これによって、e.eが99.7%の表題化合物(0.24g、51%)が得られた。
(S)−ミルタザピンの調製
[S]−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(0.5g、1.77mmole)にポリリン酸(9.6g)を加えた。反応混合物を100℃に20時間加熱した。反応混合物を水(6.5ml)で希釈し、4N水酸化ナトリウム溶液を加えてpHを8とした。水層を酢酸エチルで抽出した。有機層を水で洗浄し、硫酸マグネシウムで乾燥し、蒸発させた。これによって、e.eが76%の表題化合物(0.29g、62%)が得られた。
[S]−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(1.0g、3.53mmole)にポリリン酸(2g)を加えた。反応混合物を130℃に18時間加熱した。反応混合物を水(6.5ml)で希釈し、4N水酸化ナトリウム溶液を加えてpHを8とした。水層を酢酸エチルで抽出した。有機層を水で洗浄し、硫酸マグネシウムで乾燥し、蒸発させた。これによって、e.eが98%の表題化合物(0.71g、76%)が得られた。
[S]−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン溶液(1.0g、3.53mmole)のジクロロメタン溶液を、85%リン酸(2.8g)および五酸化リン(1.3g)から調製したポリリン酸に加えた。反応混合物を130℃に18時間加熱した。反応混合物を水(6.5ml)で希釈し、4N水酸化ナトリウム溶液を加えてpHを8とした。水層を酢酸エチルで抽出した。有機層を水で洗浄し、硫酸マグネシウムで乾燥し、蒸発させた。これによって、e.eが83%の表題化合物(0.79g、84%)が得られた。
ポリリン酸(20g)に、(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジンシュウ酸塩(13.2g、35.3mmole)を加えた。反応混合物を130℃で18時間攪拌した。反応混合物に、水(220ml)、酢酸エチル(220ml)、および33%の水酸化ナトリウム溶液(65ml)を加えた。水層を分離し、酢酸エチル(220ml)で2回抽出した。有機分留を合わせて水(220ml)で3回洗浄し、蒸発させた。これによって、e.eが99.2%である(S)−ミルタザピン7.9g(84%)が得られた。
ポリリン酸(4g)に、(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジンシュウ酸塩(1.32g、3.53mmole)を加えた。反応混合物を130℃で18時間攪拌した。反応混合物に、水(22ml)、酢酸エチル(22ml)、および33%の水酸化ナトリウム溶液(6.5ml)を加えた。水層を分離し、酢酸エチル(22ml)で2回抽出した。有機分留を合わせて水(22ml)で3回洗浄し、MgSO4で乾燥し、蒸発させた。これによって、e.eが83%である(S)−ミルタザピン0.79g(84%)が得られた。
(S)−ミルタザピンの調製
温度48℃の硫酸(30.36ml)に、(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(15.18g、51.05mmole)のエタノール(30ml)溶液を加えた。一晩後、追加の硫酸(30ml)を加えた。4時間後に反応が完了した。水(195ml)を加えた後に、水酸化ナトリウム溶液(8.3M)を沈殿が生ずるまで加えた。水層を酢酸エチルで抽出した。その後有機層を水酸化ナトリウム溶液、次に食塩水で洗浄して、次いで硫酸マグネシウムで乾燥し、蒸発させた。これにより、e.eが62%表題化合物(7.97g、59%)が得られた。
(比較のために、適切でない酸/溶媒の組合せの例を示す。)
(S)−ミルタザピンの調製
濃硫酸(2.2ml)を、(S)−1−(3−ヒドロキシメチル−2−ピリジル)−4−メチル−2−フェニルピペラジン(0.29g、1.03mmole)に加えた。ジクロロメタンを加えて透明な溶液とした。ジクロロメタンを減圧下、40℃で蒸発させた。反応混合物を48℃で攪拌した。4時間後に反応が完了した。水酸化ナトリウム溶液(4N)を、エマルジョンが形成されるまで加えた。水層をジエチルエーテルで抽出した。ジエチルエーテルを水で洗浄し、硫酸マグネシウムで乾燥し、蒸発させた。これによって、e.eが36%の表題化合物(0.17g、62%)が得られた。
Claims (10)
- 前記閉環が、溶媒無しの適切な酸の使用によって起こることを特徴とする請求項1に記載の方法。
- 前記酸が、プロトン酸またはプロトン酸誘導体であることを特徴とする請求項2に記載の方法。
- 前記酸が、ポリリン酸またはリン酸中の五酸化リンであることを特徴とする請求項3に記載の方法。
- ポリリン酸と式IIの化合物の重量比が、5対1未満であることを特徴とする請求項4に記載の方法。
- 前記閉環が、酸と有機溶媒の適切な組合せの使用によって起こることを特徴とする請求項1に記載の方法。
- 前記酸と有機溶媒の適切な組合せが、プロトン酸またはプロトン酸誘導体と極性溶媒の組合せであることを特徴とする請求項6に記載の方法。
- 前記酸と有機溶媒の適切な組合せが、鉱酸と極性溶媒の組合せであることを特徴とする請求項6に記載の方法。
- 前記酸と有機溶媒の適切な組合せが、ポリリン酸とN−メチルピロリジノンまたはDMFの組合せであることを特徴とする請求項7に記載の方法。
- エナンチオマー的に純粋なミルタザピンをもたらす、請求項1のXの意味に合った、エナンチオマー的に純粋な式IIの化合物の立体特異性閉環反応に適する酸または酸/溶媒の組合せの選択方法であって、エナンチオマー的に純粋な化合物を候補酸または候補酸/溶媒の組合せで処理することによって反応を試験すること、前記反応によるエナンチオマーの損失を決定すること、および損失が40%未満の場合に酸または酸/溶媒の組合せが適切であると同定することを含む、前記選択方法。
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CN102153620A (zh) * | 2005-09-26 | 2011-08-17 | 住友化学株式会社 | 光学活性的哌嗪化合物的制造方法 |
TW200808804A (en) * | 2006-05-22 | 2008-02-16 | Organon Nv | Mirtazapine for the treatment of neuropathic pain |
TW200815370A (en) * | 2006-06-16 | 2008-04-01 | Organon Nv | Stereoselective synthesis of (S)-1-methyl-3-phenylpiperazine |
JP5438976B2 (ja) * | 2007-02-09 | 2014-03-12 | 株式会社カネカ | 光学活性2−アリールピペラジン誘導体の製造法 |
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US7994314B2 (en) | 2007-04-11 | 2011-08-09 | N.V. Organon | Method for the preparation of an enantiomerically pure benzazepine |
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