JP7382713B2 - シロドシン合成用中間体の製造方法及びこれを用いたシロドシンの製造方法 - Google Patents
シロドシン合成用中間体の製造方法及びこれを用いたシロドシンの製造方法 Download PDFInfo
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- JP7382713B2 JP7382713B2 JP2018215238A JP2018215238A JP7382713B2 JP 7382713 B2 JP7382713 B2 JP 7382713B2 JP 2018215238 A JP2018215238 A JP 2018215238A JP 2018215238 A JP2018215238 A JP 2018215238A JP 7382713 B2 JP7382713 B2 JP 7382713B2
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- 229960004953 silodosin Drugs 0.000 title claims description 57
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- 238000007126 N-alkylation reaction Methods 0.000 claims description 9
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 9
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- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims description 2
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- 239000007800 oxidant agent Substances 0.000 description 4
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- TXKJDQDSCUFAHP-UHFFFAOYSA-N 3-[7-cyano-5-[2-[(2-methylpropan-2-yl)oxycarbonylamino]propyl]-2,3-dihydroindol-1-yl]propyl benzoate Chemical compound C(C)(OC(=O)NC(CC1=CC2=C(C(=C1)C#N)N(CC2)CCCOC(=O)C1=CC=CC=C1)C)(C)C TXKJDQDSCUFAHP-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D209/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with an alkyl or cycloalkyl radical attached to the ring nitrogen atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/403—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
- A61K31/404—Indoles, e.g. pindolol
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- A—HUMAN NECESSITIES
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Description
Claims (10)
- 下記化学式2で表示される化合物のNH2位置に、tert-ブトキシカルボニル保護基を導入して、下記化学式3で表示される化合物を製造する段階と、
下記化学式3で表示される化合物を、強塩基の存在下で加水分解して、下記化学式4で表示される化合物を製造する段階と、
下記化学式4で表示される化合物及び下記化学式5で表示される化合物を、塩基及び触媒の存在下でN-アルキル化反応させて、下記化学式6で表示される化合物を製造する段階と、
下記化学式6で表示される化合物を脱保護反応させて、下記化学式7で表示される化合物を製造する段階と、
下記化学式7で表示される化合物を、光学活性のある酒石酸と混合して、光学的に純粋な下記化学式7aで表示される化合物を製造する段階とを含む、下記化学式7aで表示されるシロドシン合成用中間体の製造方法であって、
前記化学式7aで表示される化合物を製造する段階において、
鏡像体過剰率(enantiomeric excess:ee)は95%以上かつ99.7%以下である、前記製造方法。
前記化学式5において、LGは脱離基(Leaving Group)を示す。) - 前記化学式3で表示される化合物を製造する段階において、
前記化学式2で表示される化合物を、ジ-tert-ブチルジカーボネートと反応させる、請求項1に記載のシロドシン合成用中間体の製造方法。 - 前記化学式4で表示される化合物を製造する段階において、
前記強塩基はアルカリ金属水酸化物である、請求項1又は2に記載のシロドシン合成用中間体の製造方法。 - 前記化学式3で表示される化合物を製造する段階及び前記化学式4で表示される化合物を製造する段階は、単一の容器での連続工程(In-Situ;その場工程)で進行して、前記化学式4で表示される化合物を製造する、請求項1~3のいずれかに記載のシロドシン合成用中間体の製造方法。
- 前記化学式6で表示される化合物を製造する段階において、
前記塩基はアルカリ金属炭酸塩又は有機塩基である、請求項1~4のいずれかに記載のシロドシン合成用中間体の製造方法。 - 前記化学式6で表示される化合物を製造する段階において、
前記触媒は相転移触媒である、請求項1~5のいずれかに記載のシロドシン合成用中間体の製造方法。 - 前記化学式7で表示される化合物を製造する段階は、酸の条件下で脱保護反応することによって行う、請求項1~6のいずれかに記載のシロドシン合成用中間体の製造方法。
- 前記化学式6で表示される化合物を製造する段階、前記化学式7で表示される化合物を製造する段階及び前記化学式7aで表示される化合物を製造する段階は、単一の容器での連続工程(In-Situ;その場工程)で進行して、前記化学式7aで表示される化合物を製造する、請求項1~7のいずれかに記載のシロドシン合成用中間体の製造方法。
- 前記保護基が、アセチル基、ベンゾイル基、ベンジル基、トリメチルシリル基、トリエチルシリル基、又はtert-ブトキシカルボニル基であり、
前記脱離基が、ヨード基、臭素基、塩素基、メタンスルホネート基、又はベンゼンスルホネート基である、請求項1~8のいずれかに記載のシロドシン合成用中間体の製造方法。 - 前記相転移触媒が、テトラブチルアンモニウム臭化物、18-クラウン-6、テトラブチルアンモニウムヨウ化物、ベンジルトリエチルアンモニウムクロリド、及びテトラメチルアンモニウムクロリドの少なくとも1種を含む、請求項6に記載のシロドシン合成用中間体の製造方法。
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