JP2012508759A - 4−[2−(2−フルオロフェノキシメチル)フェニル]ピペリジン化合物を調製するためのプロセス - Google Patents
4−[2−(2−フルオロフェノキシメチル)フェニル]ピペリジン化合物を調製するためのプロセス Download PDFInfo
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- JP2012508759A JP2012508759A JP2011536490A JP2011536490A JP2012508759A JP 2012508759 A JP2012508759 A JP 2012508759A JP 2011536490 A JP2011536490 A JP 2011536490A JP 2011536490 A JP2011536490 A JP 2011536490A JP 2012508759 A JP2012508759 A JP 2012508759A
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- 238000004519 manufacturing process Methods 0.000 title claims description 7
- KXUVOOVIGIJFNL-UHFFFAOYSA-N 4-[2-[(2-fluorophenoxy)methyl]phenyl]piperidine Chemical class FC1=CC=CC=C1OCC1=CC=CC=C1C1CCNCC1 KXUVOOVIGIJFNL-UHFFFAOYSA-N 0.000 title description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 81
- 150000003839 salts Chemical class 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 45
- -1 t-butoxycarbonyl Chemical group 0.000 claims description 32
- 125000000217 alkyl group Chemical group 0.000 claims description 23
- 125000005843 halogen group Chemical group 0.000 claims description 21
- 125000001153 fluoro group Chemical group F* 0.000 claims description 19
- 125000006239 protecting group Chemical group 0.000 claims description 15
- 239000002585 base Substances 0.000 claims description 14
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 14
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical group [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 6
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 5
- 125000004423 acyloxy group Chemical group 0.000 claims description 4
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 4
- 150000008041 alkali metal carbonates Chemical class 0.000 claims description 4
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 4
- MCQRPQCQMGVWIQ-UHFFFAOYSA-N boron;methylsulfanylmethane Chemical group [B].CSC MCQRPQCQMGVWIQ-UHFFFAOYSA-N 0.000 claims description 4
- UWTDFICHZKXYAC-UHFFFAOYSA-N boron;oxolane Chemical compound [B].C1CCOC1 UWTDFICHZKXYAC-UHFFFAOYSA-N 0.000 claims description 4
- IZDROVVXIHRYMH-UHFFFAOYSA-N methanesulfonic anhydride Chemical compound CS(=O)(=O)OS(C)(=O)=O IZDROVVXIHRYMH-UHFFFAOYSA-N 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 4
- ILMRJRBKQSSXGY-UHFFFAOYSA-N tert-butyl(dimethyl)silicon Chemical group C[Si](C)C(C)(C)C ILMRJRBKQSSXGY-UHFFFAOYSA-N 0.000 claims description 3
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 3
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims description 2
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 claims description 2
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims 1
- QZAYGJVTTNCVMB-UHFFFAOYSA-N serotonin Chemical compound C1=C(O)C=C2C(CCN)=CNC2=C1 QZAYGJVTTNCVMB-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000543 intermediate Substances 0.000 abstract description 10
- 229940076279 serotonin Drugs 0.000 abstract description 5
- TZIALEBTHQWNAO-UHFFFAOYSA-N ampreloxetine Chemical compound FC1=CC(F)=CC(F)=C1OCC1=CC=CC=C1C1CCNCC1 TZIALEBTHQWNAO-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract description 4
- 230000000966 norepinephrine reuptake Effects 0.000 abstract description 3
- 230000000697 serotonin reuptake Effects 0.000 abstract description 3
- 239000002767 noradrenalin uptake inhibitor Substances 0.000 abstract description 2
- 229940127221 norepinephrine reuptake inhibitor Drugs 0.000 abstract description 2
- 239000003772 serotonin uptake inhibitor Substances 0.000 abstract description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 28
- 239000000203 mixture Substances 0.000 description 22
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 16
- 239000003153 chemical reaction reagent Substances 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 235000019439 ethyl acetate Nutrition 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 10
- 208000002193 Pain Diseases 0.000 description 10
- 125000001309 chloro group Chemical group Cl* 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 238000010511 deprotection reaction Methods 0.000 description 6
- 239000003701 inert diluent Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 6
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 239000012044 organic layer Substances 0.000 description 5
- 238000002390 rotary evaporation Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 125000001246 bromo group Chemical group Br* 0.000 description 4
- 208000004296 neuralgia Diseases 0.000 description 4
- 208000021722 neuropathic pain Diseases 0.000 description 4
- 238000002953 preparative HPLC Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- XUAIUEGHJIVPSA-UHFFFAOYSA-N tert-butyl 4-[2-(hydroxymethyl)phenyl]piperidine-1-carboxylate Chemical compound C1CN(C(=O)OC(C)(C)C)CCC1C1=CC=CC=C1CO XUAIUEGHJIVPSA-UHFFFAOYSA-N 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 4
- NPKPUCNATSURJQ-UHFFFAOYSA-N 2-[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-4-yl]benzoic acid Chemical compound C1CN(C(=O)OC(C)(C)C)CCC1C1=CC=CC=C1C(O)=O NPKPUCNATSURJQ-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 3
- 150000003973 alkyl amines Chemical class 0.000 description 3
- 229910000085 borane Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000004064 dysfunction Effects 0.000 description 3
- 150000007529 inorganic bases Chemical class 0.000 description 3
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 3
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- 150000007530 organic bases Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- NDIFNZGPBZJVKF-UHFFFAOYSA-N tert-butyl 4-[2-[(4-methylphenyl)sulfonyloxymethyl]phenyl]piperidine-1-carboxylate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)OCC1=CC=CC=C1C1CCN(C(=O)OC(C)(C)C)CC1 NDIFNZGPBZJVKF-UHFFFAOYSA-N 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- SFLSHLFXELFNJZ-QMMMGPOBSA-N (-)-norepinephrine Chemical compound NC[C@H](O)C1=CC=C(O)C(O)=C1 SFLSHLFXELFNJZ-QMMMGPOBSA-N 0.000 description 2
- GHOKWGTUZJEAQD-ZETCQYMHSA-N (D)-(+)-Pantothenic acid Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-ZETCQYMHSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
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- QQFWMPUXPLBWTG-UHFFFAOYSA-N 2,4,6-trifluorophenol Chemical compound OC1=C(F)C=C(F)C=C1F QQFWMPUXPLBWTG-UHFFFAOYSA-N 0.000 description 2
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- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 2
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- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
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- 125000002346 iodo group Chemical group I* 0.000 description 2
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- 239000011976 maleic acid Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
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- 150000007522 mineralic acids Chemical class 0.000 description 2
- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 2
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- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
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- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D211/30—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom
- C07D211/32—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom by oxygen atoms
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Abstract
Description
(a)下記式1の化合物:
(b)式3の化合物またはその塩からアミノ保護基Pを除去して式Iの化合物またはその塩を得るステップ
を含む、プロセスに関する。
またはその薬学的に許容される塩である:
(a)R3およびR5は水素であり、かつ:
(i)R4はフルオロであり、R6はフルオロであり、そしてaは0である;
(ii)R4はフルオロであり、R6はフルオロであり、aは1であり、そしてR1は4−フルオロ、5−フルオロ、5−トリフルオロメチルまたは6−フルオロである;
(iii)R4はフルオロであり、R6はフルオロであり、aは2であり、そしてR1は4,5−ジフルオロ、4,6−ジフルオロまたは5,6−ジフルオロである;
(iv)R4はフルオロであり、R6はクロロであり、そしてaは0である;
(v)R4はクロロであり、R6はフルオロであり、そしてaは0である;または
(vi)R4はブロモであり、R6はクロロであり、そしてaは0である;あるいは
(b)R3およびR4は水素であり、R5はフルオロであり、R6はクロロであり、かつ:
(i)aは0である;
(ii)aは1であり、そしてR1は5−フルオロまたは6−フルオロである;または
(iii)aは2であり、そしてR1は4,6−ジフルオロである;あるいは
(c)R4およびR5は水素であり、R6はフルオロであり、かつ;
(i)R3はフルオロであり、そしてaは0である;
(ii)R3はフルオロであり、aは1であり、そしてR1は3−フルオロ、5−フルオロ、5−トリフルオロメチルまたは6−フルオロである;
(iii)R3はフルオロであり、aは2であり、そしてR1は4,6−ジフルオロである;または
(iv)R3はクロロまたはメチルであり、そしてaは0である;あるいは
(d)R3、R4およびR5は水素であり、かつ:
(i)R6はHであり、そしてaは0である;
(ii)R6はHであり、aは1であり、そしてR1は5−フルオロまたは6−フルオロである;
(iii)R6はフルオロであり、そしてaは0である;
(iv)R6はフルオロであり、aは1であり、そしてR1は4−フルオロ、5−フルオロまたは6−フルオロである;
(v)R6はフルオロであり、aは2であり、そしてR1は4,5−ジフルオロまたは4,6−ジフルオロである;
(vi)R6はクロロであり、そしてaは0である;
(vii)R6はクロロであり、aは1であり、そしてR1は4−フルオロ、6−フルオロまたは5−トリフルオロメチルである;
(viii)R6はクロロであり、aは2であり、そしてR1は4,5−ジフルオロである;または
(ix)R6はブロモであり、そしてaは0である。
(a’)下記式4の化合物:
(b’)上記式5の化合物のヒドロキシル基またはその塩を脱離基Lに変換して式1の化合物またはその塩を得るステップ
を含む、プロセスに関する。
本発明の化合物、組成物、方法およびプロセスについて記載する場合、以下の用語は、他に記載がない限り、以下の意味を持つ。また、本明細書で使用する場合、単数形「a」、「an」および「the」は、文脈上明らかに他の意味に解すべき場合を除き、対応する複数形を含む。「を含む(comprising)」、「を含む(including)」および「を持つ(having)」という用語は、包括的であるということ意図しており、記載された要素以外に別の要素が存在し得ることを意味する。本明細書に使用する成分、分子量などの特性、反応条件などの量を表す数字はみな、他に記載がない限り、すべての場合において「約」という用語により修飾されているものと理解されたい。したがって、本明細書に記載する数字は、本発明が得ようとする所望の特性によって変化し得る近似値である。いずれにしても、各数字は少なくとも報告された有効桁数に照らして、通常の丸め法を適用して解釈すべきものであるが、これは均等論の適用を特許請求の範囲に限定しようとするものではない。
本発明のプロセスに使用するのに好適な不活性希釈液として、限定としてではなく例示として、酢酸、テトラヒドロフラン(THF:tetrahydrofuran)、アセトニトリル(MeCN)、N,N−ジメチルホルムアミド(DMF:N,N−dimethylformamide)、N,N−ジメチルアセトアミド、N−メチルピロリジノン、ジメチルスルホキシド(DMSO:dimethyl sulfoxide)、トルエン、ジクロロメタン(DCM:dichloromethane)、アセトン、酢酸エチル、酢酸イソプロピル、メチルt−ブチルエーテル、クロロホルム(CHCl3)、四塩化炭素(CCl4)、1,4−ジオキサン、メタノール、エタノール、プロパノール、イソプロパノール、ブタノール、エチレングリコールおよび同種のものなどの有機希釈液が挙げられる。また、水性希釈液を使用してもよく、水のほか、塩基性および酸性の水性希釈液が含まれる。さらに前述の希釈液のいずれかの組み合わせも企図している。
AcOH 酢酸
Boc t−ブトキシカルボニル
DCM ジクロロメタン(すなわち、塩化メチレン)
DIPEA N,N−ジイソプロピルエチルアミン
EtOAc 酢酸エチル
EtOH エタノール
IPA イソプロピルアルコール
IPAc 酢酸イソプロピル
MeCN アセトニトリル(CH3CN)
MeOH メタノール
TFA トリフルオロ酢酸
THF テトラヒドロフラン
TsCl p−トルエンスルホニルクロリドまたは4−メチルベンゼンスルホニルクロリド
本明細書に使用するその他の任意の略語で定義されていないものは、一般に受け入れられている標準的な意味を持つ。他に記載がない限り、試薬、出発材料および溶媒などの材料はすべて商業事業者(Sigma−Aldrich、Fluka Riedel−de Haenなど)から購入し、さらに精製することなく使用した。
4−[2−(トルエン−4−スルホニルオキシメチル)フェニル]ピペリジン−1−カルボン酸t−ブチルエステル
1H NMR (CDCl3) δ (ppm) 7.34 - 7.22 (m, 3H); 7.19 (dt, J = 1.6 Hz, 7.2, 1H); 4.73 (s, 2H); 4.32−4.14 (m, 2H); 3.00 (tt, J = 4.0 Hz, 12.0, 1H); 2.80 (t, J = 11.6 Hz, 2H); 1.78− 1.56 (m, 4H); 1.47 (m, 9H)。
1H NMR (CDCl3) δ (ppm) 7.81 (t, J = 2.0 Hz, 1H); 7.79 (t, J = 2.0 Hz, 1H); 7.37−7.32 (m, 4H); 7.25−7.21 (m, 1H); 7.21−7.13 (m, 1H), 5.12 (s, 2H); 4.34−4.12 (m, 2H); 2.81−2.61 (m, 3H); 2.45 (s, 3H); 1.70−1.52 (m, 4H); 1.48 (s, 9H)。
4−(2−メタンスルホニルオキシメチルフェニル)ピペリジン−1−カルボン酸t−ブチルエステル
1H NMR (400 MHz, DMSO−d6) δ (ppm) 7.37−7.43 (m, 3H), 7.31 (d, 1H), 7.22 (m, 2H), 5.38 (s, 2H), 4.28 (m, 2H), 2.92−3.10 (m, 1H), 2.92 (s, 3H), 2.80−2.92 (m, 2H), 1.63−1.81 (m, 4H), 1.51 (s, 9H)。
4−[2−(2,4,6−トリフルオロフェノキシメチル)フェニル]ピペリジン
1H NMR (CDCl3) δ (ppm) 9.83 (br.s, 1H); 9.32 (br.s, 1H); 7.46−7.39 (m, 2H); 7.32 (d, J = 6.8 Hz, 1H); 7.26−7.21 (m, 1H); 6.76−6.66 (m, 2H); 5.07 (s, 2H); 3.69−3.50 (m, 2H); 3.38 (t, J = 11.6 Hz, 1H); 3.20−3.02 (m, 2H); 2.19 (q, J = 12.8 Hz, 2H); 2.12−2.01 (m, 2H)。
4−(2−メタンスルホニルオキシメチルフェニル)ピペリジン−1−カルボン酸t−ブチルエステル(27.0g、60.6mmol、1.0当量)をMeCN(540mL)に溶解させ、K2CO3(25g、180mmol、3.0当量)および2,4,6−トリフルオロフェノール(13.5g、90.9mmol、1.5当量)に加えた。混合物を50℃で6時間激しく撹拌し、熱を除去し、一晩撹拌した。混合物を室温で冷却し、EtOAc(700mL)および水(700mL)で希釈した。相を分離し、有機層を1.0MのNaOH水溶液(2×400mL)および飽和NaCl水(1×400mL)で2回洗浄し、次いでNa2SO4で乾燥させ、溶媒を除去して粗4−[2−(2,4,6−トリフルオロフェノキシメチル)−フェニル]ピペリジン−1−カルボン酸t−ブチルエステル(25.0g)を得た。粗生成物を、より小規模な実験で得られたものと合わせて合計30gとし、クロマトグラフィー(ヘキサン中0〜10%EtOAc)により精製して4−[2−(2,4,6−トリフルオロフェノキシメチル)フェニル]ピペリジン−1−カルボン酸t−ブチルエステル(22.0g)を得た。
4−[2−(2,6−ジフルオロフェノキシメチル)フェニル]ピペリジン
Claims (18)
- 下記式Iの化合物:
またはその塩を調製するプロセスであって、式中:aは0、1、2、3または4であり;R1は各々独立にハロまたはトリフルオロメチルであり;R3は水素、ハロまたは−C1〜6アルキルであり;R4、R5およびR6は独立に水素またはハロであり;前記プロセスは:
(a)下記式1の化合物:
またはその塩を塩基の存在下で下記式2の化合物:
と反応させて下記式3の化合物:
またはその塩を得るステップであって、式中、Lは脱離基であり、Pはアミノ保護基である、ステップ;および
(b)前記式3の化合物またはその塩から前記アミノ保護基Pを除去して式Iの化合物またはその塩を得るステップ
を含む、プロセス。 - aは0であり、R3およびR5は水素であり、そしてR4およびR6はフルオロである、請求項1に記載のプロセス。
- Lはハロゲン基、スルホン酸エステル基およびアシルオキシ基から選択される、請求項1に記載のプロセス。
- Lは式−OS(O2)−Rを持つスルホン酸エステル基であり、式中、Rは−C1〜4アルキルまたはフェニルであり、そして前記フェニル基は任意に−C1〜4アルキル、ハロまたはニトロで置換されている、請求項3に記載のプロセス。
- Lは−OS(O2)−CH3または−OS(O2)−4−メチルフェニルである、請求項4に記載のプロセス。
- Pはt−ブトキシカルボニル、トリチル、ベンジルオキシカルボニル、9−フルオレニルメトキシカルボニル、ホルミル、トリメチルシリルおよびt−ブチルジメチルシリルから選択される、請求項1に記載のプロセス。
- Pはt−ブトキシカルボニルである、請求項6に記載のプロセス。
- ステップ(a)の前記塩基はアルカリ金属炭酸塩である、請求項1に記載のプロセス。
- 前記アルカリ金属炭酸塩は炭酸カリウムである、請求項8に記載のプロセス。
- aは0である、請求項10に記載のプロセス。
- Lはハロゲン基、スルホン酸エステル基およびアシルオキシ基から選択される、請求項10に記載のプロセス。
- Lは式−OS(O2)−Rを持つスルホン酸エステル基であり、式中、Rは−C1〜4アルキルまたはフェニルであり、そして前記フェニル基は任意に−C1〜4アルキル、ハロまたはニトロで置換されている、請求項12に記載のプロセス。
- Lは−OS(O2)−CH3または−OS(O2)−4−メチルフェニルである、請求項13に記載のプロセス。
- 前記還元剤はボランジメチルスルフィド錯体またはボラン−テトラヒドロフラン錯体である、請求項10に記載のプロセス。
- ステップ(b’)でp−トルエンスルホニルクロリドまたはメタンスルホン酸無水物が使用される、請求項10に記載のプロセス。
- Lは−OS(O2)−Rであり、Rはメチルまたは4−メチル−フェニルであり;aは0であり;そしてPはt−ブトキシカルボニルである、請求項17に記載の化合物。
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