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Methanol → 3-[6-(azetidine-1-carbonyl)pyridin-3-yl]oxy-5-[(3S)-1-methyl-2-oxo-pyrrolidin-3-yl]oxy-benzoic acid

HRID 600552
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HRID 600552 반응식
[N:1]1([C:5]([C:7]2[N:12]=[CH:11][C:10]([O:13][C:14]3[CH:15]=[C:16]([CH:21]=[C:22]([O:24][C@H:25]4[CH2:29][CH2:28][N:27]([CH3:30])[C:26]4=[O:31])[CH:23]=3)[C:17]([O:19]C)=[O:18])=[CH:9][CH:8]=2)=[O:6])[CH2:4][CH2:3][CH2:2]1.CO.[OH-].[Li+].O>C1COCC1>[N:1]1([C:5]([C:7]2[N:12]=[CH:11][C:10]([O:13][C:14]3[CH:15]=[C:16]([CH:21]=[C:22]([O:24][C@H:25]4[CH2:29][CH2:28][N:27]([CH3:30])[C:26]4=[O:31])[CH:23]=3)[C:17]([OH:19])=[O:18])=[CH:9][CH:8]=2)=[O:6])[CH2:4][CH2:3][CH2:2]1
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참가 물질

6

반응물 4

HCID 887MethanolHCID 962WaterHCID 3939Lithium HydroxideHCID 59761163Methyl 3-[6-(azetidine-1-carbonyl)pyridin-3-yl]oxy-5-[(3S)-1-methyl-2-oxo-pyrrolidin-3-yl]oxy-benzoate2회

생성물 1

HCID 597611453-[6-(azetidine-1-carbonyl)pyridin-3-yl]oxy-5-[(3S)-1-methyl-2-oxo-pyrrolidin-3-yl]oxy-benzoic acid수율 98.7%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

Methyl 3-[6-(azetidine-1-carbonyl)pyridin-3-yl]oxy-5-[(3S)-1-methyl-2-oxo-pyrrolidin-3-yl]oxy-benzoate (Intermediate 31) (439 mg, 1.0 mmol) was dissolved in THF (6 mL) and methanol, (2 mL) and 1 N lithium hydroxide (1.24 mL) was added. Water (8 mL) was then added dropwise and the resultant solution stirred for 1 hour at room temperature. The majority of the organic solvents were removed by distillation under reduced pressure. The aqueous residue was acidified with 2N hydrochloric acid and extracted with ethyl acetate (2×40 mL). The combined organic extracts were washed with water (10 mL) and brine (20 mL), dried (MgSO4) and evaporated under reduced pressure to afford the product (406 mg, 96%). 1H NMR δ (300 MHz, CDCl3) 2.10-2.26 (m, 2H), 2.29-2.43 (m, 2H), 2.55-2.69 (m, 1H), 2.96 (s, 3H), 3.36-3.59 (m, 4H), 4.26 (t, 2H), 4.71 (t, 2H), 4.98 (t, 1H), 6.95 (s, 1H), 7.29 (s, 3H), 7.34 (d, 2H), 7.55 (s, 1H), 8.09 (d, 1H), 8.30 (s, 1H); m/z 411 (M+H)+.

후처리

  1. customThe majority of the organic solvents were removed by distillation under reduced pressure
  2. extractionextracted with ethyl acetate (2×40 mL)
  3. washThe combined organic extracts were washed with water (10 mL) and brine (20 mL)
  4. dry with materialdried (MgSO4)
  5. customevaporated under reduced pressure

출처 및 근거

ORD 기록
ord-43cecfa6902b4a7c9ae761f30d38a9eb
출처 데이터셋
uspto-grants-2011_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07902200B2

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