JP2019534313A - 光学活性ジアザスピロ[4.5]デカン誘導体の分割 - Google Patents
光学活性ジアザスピロ[4.5]デカン誘導体の分割 Download PDFInfo
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- JP2019534313A JP2019534313A JP2019525887A JP2019525887A JP2019534313A JP 2019534313 A JP2019534313 A JP 2019534313A JP 2019525887 A JP2019525887 A JP 2019525887A JP 2019525887 A JP2019525887 A JP 2019525887A JP 2019534313 A JP2019534313 A JP 2019534313A
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- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 5
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- 230000002526 effect on cardiovascular system Effects 0.000 description 1
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- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
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- NTTOTNSKUYCDAV-UHFFFAOYSA-N potassium hydride Chemical compound [KH] NTTOTNSKUYCDAV-UHFFFAOYSA-N 0.000 description 1
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- 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 description 1
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- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000004527 pyrimidin-4-yl group Chemical group N1=CN=C(C=C1)* 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
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- 229910052703 rhodium Inorganic materials 0.000 description 1
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- QBERHIJABFXGRZ-UHFFFAOYSA-M rhodium;triphenylphosphane;chloride Chemical compound [Cl-].[Rh].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 QBERHIJABFXGRZ-UHFFFAOYSA-M 0.000 description 1
- TZSZZENYCISATO-WIOPSUGQSA-N rodatristat Chemical compound CCOC(=O)[C@@H]1CC2(CN1)CCN(CC2)c1cc(O[C@H](c2ccc(Cl)cc2-c2ccccc2)C(F)(F)F)nc(N)n1 TZSZZENYCISATO-WIOPSUGQSA-N 0.000 description 1
- 230000036186 satiety Effects 0.000 description 1
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- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
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- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
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- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- GETTZEONDQJALK-UHFFFAOYSA-N trifluorotoluene Substances FC(F)(F)C1=CC=CC=C1 GETTZEONDQJALK-UHFFFAOYSA-N 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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Classifications
-
- 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
- C07D471/02—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 two hetero rings
- C07D471/10—Spiro-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Saccharide Compounds (AREA)
Abstract
Description
出発混合物を、2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸またはその水和物と、アルデヒドの存在下で反応させて、異性体化合物の2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸塩を含む塩混合物を生成させることを含み、
塩混合物は、出発混合物中に存在する式I−(S)および式I−(R)の異性体化合物の相対量と比較したとき、ある量の式I−(R)の異性体化合物のグロン酸塩に対して、増加した量の式I−(S)の異性体化合物のグロン酸塩を含んでおり、成分の変数は本明細書に定義されている。
式I−(R)の異性体化合物の量に対して、
出発混合物を、2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸またはその水和物と、アルデヒドの存在下で反応させて、異性体化合物の2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸塩を含む塩混合物を生成させることを含み、
塩混合物は、出発混合物中に存在する式I−(S)および式I−(R)の異性体化合物の相対量と比較したとき、ある量の式I−(R)の異性体化合物のグロン酸塩に対して、増加した量の式I−(S)の異性体化合物のグロン酸塩を含んでいる。
塩混合物を再結晶化して、精製前の異性体化合物のグロン酸塩の相対量と比較したとき、式Ia−(R)の異性体化合物のグロン酸塩に対して、増加した量の式Ia−(S)の異性体化合物のグロン酸塩を含む精製塩混合物を生成させ、ならびに
精製塩混合物を酸ナトリウムの存在下で反応させて、式Ia−(S)および式Ia−(R)を有する異性体化合物を含む遊離塩基混合物を生成させ、遊離塩基混合物中の式Ia−(S)の異性体化合物のエナンチオマー過剰率が約90%より高い。
本出願はさらに、式I−(S)および式I−(R)を有する異性体化合物の混合物を提供する。
本明細書に記載した、式I−(S)の異性体化合物で富化された塩混合物をさらに反応させて、例えば、スキーム3において以下に示すように、TPH1阻害剤である化合物の調製に有用な中間体を調製してもよい。例えば、式I−(S)の異性体化合物で富化された塩混合物を、本明細書に記載した1以上の実施形態に従って調製し(工程1)、引き続いて式I−(S)の異性体化合物の遊離塩基形態を生成し(例えば、炭酸ナトリウムとの反応による)、単離する(工程2)。その後、式I−(S)の異性体化合物の遊離アミンを、工程3に示した標準的なアミン保護条件、例えば、塩基(例えば、トリメチルアミン)の存在下でのPg2−Xとの反応を用いて保護することができる。ここでPg2はアミノ保護基(例えば、tert−ブトキシカルボニル、カルボベンジルオキシなど)であり、Xはハロ(例えば、Cl)である。アミノ保護基Pg1の選択的脱保護(工程4)は、TPH1阻害剤である化合物の調製に有用な中間体である所望の中間体1を生成させる。
本明細書で用いる限り、用語「ハロ」はF、Cl、I、およびBrから選択されるハロゲン原子をいう。いくつかの実施形態において、ハロ基はClである。
エナンチオマー純度法A:溶離剤としてn−ヘプタン:イソプロパノール:エタノール:ジエチルアミン(80:10:10:0.1、v:v:v:v%)を用いた、Agilent 1100 HPLC装置の、YMC Chiral Amylose−SAカラム(長さ250mm、直径4.6mm、粒径5μm)。
反応器に、9−(tert−ブチル)4−エチル1−ヒドロキシ−2−オキサ−3,9−ジアザスピロ[5.5]ウンデカ−3−エン−4,9−ジカルボキシレート(例1、工程3より、38.2kg、111.8モル、1.0当量)、エタノール(無水、4vol)、およびテトラヒドロフラン(4vol)を仕込み、混合物を撹拌した。その後、スポンジ触媒A5000(28.9kg)を加え、反応器を真空および窒素で数回パージした後、真空および水素でパージした。その後、得られた混合物を約30℃まで加熱し、反応器を水素で4±0.5バールまで加圧し、混合物を30±5℃で水素の下で約16〜22時間撹拌した。その後、反応器を減圧し、窒素を仕込んだ。その後、反応器を真空および水素でパージし、水素で4±0.5バールまで加圧し、30±5℃で水素の下で約46時間撹拌を続けた。反応器を減圧し、反応混合物をダイカライトフィルターでろ過し、2−メチルテトラヒドロフランですすいだ。ろ液を回収し、追加の2−メチルテトラヒドロフランで洗浄し、減圧で35〜40℃で約3.75相対容積が残留するまで濃縮した。蒸留過程をさらに2回繰り返し、その時点で得られた混合物を約20℃まで冷却し、得られた生成物をさらに精製することなく用いた。HPLC純度:78.8面積%。
Claims (43)
- 式I−(S)の異性体化合物の量を、
式I−(R)の異性体化合物の量に対して、
前記出発混合物を、2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸またはその水和物と、アルデヒドの存在下で反応させて、前記異性体化合物の2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸塩を含む塩混合物を生成させることを含み、
前記塩混合物は、前記出発混合物中に存在する式I−(S)および式I−(R)の前記異性体化合物の相対量と比較したとき、ある量の式I−(R)の前記異性体化合物のグロン酸塩に対して、増加した量の式I−(S)の前記異性体化合物のグロン酸塩を含んでいる、方法。 - 前記2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸またはその水和物は、2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸一水和物である、請求項1に記載の方法。
- 前記反応を、前記出発混合物中の式I−(S)および式I−(R)の両方の異性体化合物の合計量に対して、約1モル当量の前記2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸またはその水和物を用いて行う、請求項1または2に記載の方法。
- 前記アルデヒドはベンズアルデヒドである、請求項1〜3の何れか1項に記載の方法。
- 前記反応を、前記出発混合物中の式I−(S)および式I−(R)の両方の異性体化合物の合計量に対して、1モル当量未満の前記アルデヒドを用いて行う、請求項1〜4の何れか1項に記載の方法。
- 前記反応を、前記出発混合物中の式I−(S)および式I−(R)の両方の異性体化合物の合計量に対して、約0.01〜約0.1モル当量の前記アルデヒドを用いて行う、請求項1〜5の何れか1項に記載の方法。
- 前記反応を、約30℃〜約40℃の温度で行う、請求項1〜6の何れか1項に記載の方法。
- 前記反応を有機溶媒の存在下で行う、請求項1〜7の何れか1項に記載の方法。
- 前記反応をエーテル溶媒の存在下で行う、請求項1〜7の何れか1項に記載の方法。
- 前記反応を2−メチルテトラヒドロフランを含む有機溶媒の存在下で行う、請求項1〜7の何れか1項に記載の方法。
- 前記塩混合物中の式I−(S)の前記異性体化合物のグロン酸塩のエナンチオマー過剰率が約75%以上である、請求項1〜10の何れか1項に記載の方法。
- 前記塩混合物中の式I−(S)の前記異性体化合物のグロン酸塩のエナンチオマー過剰率が約90%以上である、請求項1〜10の何れか1項に記載の方法。
- さらに、前記塩混合物を再結晶化し、精製前の前記異性体化合物のグロン酸塩の相対量と比較したとき、式I−(R)の前記異性体化合物のグロン酸塩に対して、増加した量の式I−(S)の前記異性体化合物のグロン酸塩を含んでいる精製塩混合物を生成させることを含む、請求項1〜12の何れか1項に記載の方法。
- 式I−(S)の前記異性体化合物のグロン酸塩のエナンチオマー過剰率が約90%以上である、請求項13に記載の方法。
- 式I−(S)の前記異性体化合物のグロン酸塩のエナンチオマー過剰率が約95%以上である、請求項13に記載の方法。
- 前記塩基は水溶液の形態にある、請求項16に記載の方法。
- 前記塩基は炭酸ナトリウムの水溶液である、請求項16に記載の方法。
- 前記精製塩混合物の前記反応を、前記塩混合物中の式I−(S)および式I−(R)の前記異性体化合物の両方のグロン酸塩の合計量に対して、モル過剰量の塩基を用いて行う、請求項16〜18の何れか1項に記載の方法。
- 前記精製塩混合物の前記反応を有機溶媒の存在下で行う、請求項16〜19の何れか1項に記載の方法。
- 前記精製塩混合物の前記反応をエーテル溶媒および炭化水素溶媒を含む有機溶媒の存在下で行う、請求項16〜19の何れか1項に記載の方法。
- 前記精製塩混合物の前記反応を2−メチルテトラヒドロフランおよびn−ヘプタンを含む有機溶媒の存在下で行う、請求項16〜19の何れか1項に記載の方法。
- 前記遊離塩基混合物中の式I−(S)の前記異性体化合物のエナンチオマー過剰率が約90%以上である、請求項16〜22の何れか1項に記載の方法。
- 前記遊離塩基混合物中の式I−(S)の前記異性体化合物のエナンチオマー過剰率が約95%以上である、請求項16〜22の何れか1項に記載の方法。
- R1はエチルである、請求項1〜24の何れか1項に記載の方法。
- Pg1はtert−ブトキシカルボニルである、請求項1〜25の何れか1項に記載の方法。
- 式I−(S)の前記異性体化合物のエナンチオマー過剰率が約95%以上である、請求項27に記載の混合物。
- R1エチルである、請求項27または28に記載の混合物。
- Pg1はtert−ブトキシカルボニルである、請求項27〜29の何れか1項に記載の混合物。
- R1はエチルである、請求項31に記載の塩。
- Pg1はtert−ブトキシカルボニルである、請求項31または32に記載の塩。
- 式I−(S)の前記異性体化合物の前記2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸塩である、請求項31〜33の何れか1項に記載の塩。
- 式I−(S)の前記異性体化合物のエナンチオマー過剰率が約95%以上である、請求項35に記載の混合物。
- R1はエチルである、請求項35または36に記載の混合物。
- Pg1はtert−ブトキシカルボニルである、請求項35〜37の何れか1項に記載の混合物。
- R1はエチルである、請求項39に記載の塩。
- Pg1はtert−ブトキシカルボニルである、請求項39または40に記載の塩。
- 式I−(S)の前記異性体化合物の前記2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸塩である、請求項39〜41の何れか1項に記載の塩。
- 式Ia−(S)の異性体化合物の量を、
前記出発混合物を、2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸一水和物と、ベンズアルデヒドの存在下で反応させて、前記異性体化合物の2,3:4,6−ジ−O−イソプロピリデン−2−ケト−L−グロン酸塩を含む塩混合物を生成させ、前記塩混合物は、前記出発混合物中に存在する式Ia−(S)および式Ia−(R)の前記異性体化合物の相対量と比較したとき、ある量の式Ia−(R)の前記異性体化合物のグロン酸塩に対して、増加した量の式Ia−(S)の前記異性体化合物のグロン酸塩を含み、
前記塩混合物を再結晶化して、精製前の前記異性体化合物のグロン酸塩の相対量と比較したとき、式Ia−(R)の前記異性体化合物のグロン酸塩に対して、増加した量の式Ia−(S)の前記異性体化合物のグロン酸塩を含む精製塩混合物を生成させ、
前記精製塩混合物を炭酸ナトリウムの存在下で反応させて、式Ia−(S)および式Ia−(R)を有する異性体化合物を含む遊離塩基混合物を生成させ、前記遊離塩基混合物中の式Ia−(S)の前記異性体化合物のエナンチオマー過剰率が約90%以上である。
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