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Tetrabutylammonium Fluoride → 3-{4-[2-(4-Chloro-phenyl)-7-oxo-7H-thieno[2,3-c]pyridin-6-yl]-2-methoxy-phenoxy}-azetidine-1-carboxylic acid tert-butyl ester

HRID 2384915
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HRID 2384915 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:11][CH:10]([O:12][C:13]2[CH:18]=[CH:17][C:16]([NH:19][C:20]([C:22]3[S:23][C:24]([C:33]4[CH:38]=[CH:37][C:36]([Cl:39])=[CH:35][CH:34]=4)=[CH:25][C:26]=3[C:27]#[C:28][Si](C)(C)C)=[O:21])=[CH:15][C:14]=2[O:40][CH3:41])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[F-].C([N+](CCCC)(CCCC)CCCC)CCC>C1COCC1.CCOC(C)=O>[C:1]([O:5][C:6]([N:8]1[CH2:11][CH:10]([O:12][C:13]2[CH:18]=[CH:17][C:16]([N:19]3[CH:28]=[CH:27][C:26]4[CH:25]=[C:24]([C:33]5[CH:38]=[CH:37][C:36]([Cl:39])=[CH:35][CH:34]=5)[S:23][C:22]=4[C:20]3=[O:21])=[CH:15][C:14]=2[O:40][CH3:41])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 2724141Tetrabutylammonium FluorideHCID 689513263-(4-{[5-(4-Chloro-phenyl)-3-trimethylsilanylethynyl-thiophene-2-carbonyl]-amino}-2-methoxy-phenoxy)-azetidine-1-carboxylic acid tert-butyl ester

생성물 1

HCID 689482573-{4-[2-(4-Chloro-phenyl)-7-oxo-7H-thieno[2,3-c]pyridin-6-yl]-2-methoxy-phenoxy}-azetidine-1-carboxylic acid tert-butyl ester수율 75.3%

시약·촉매·용매 2

HCID 8028Tetrahydrofuran
용매
HCID 8857Ethyl Acetate용매

실험 절차

Dissolve 3-(4-{[5-(4-chloro-phenyl)-3-trimethylsilanylethynyl-thiophene-2-carbonyl]-amino}-2-methoxy-phenoxy)-azetidine-1-carboxylic acid tert-butyl ester (420 mg, 0.69 mmol) in THF (11 mL) and add 1 M tetrabutylammonium fluoride (1.50 mL, 1.50 mmol, solution in THF). Stir the solution at RT overnight. Dilute the solution with EtOAc (100 mL) and wash with water (3×50 mL) and brine (50 mL). Dry the organic solution, filter, and concentrate the filtrate. Purify the crude material by flash chromatography, using a linear gradiant of 30-70% EtOAc/hexanes, to give 280 mg (75%) of the title compound. LC-MS/ES m/z (35Cl) 483.0 [M−t-butyl+H]+.

후처리

  1. washwash with water (3×50 mL) and brine (50 mL)
  2. customDry the organic solution
  3. filtrationfilter
  4. concentrationconcentrate the filtrate
  5. customPurify the crude material by flash chromatography

출처 및 근거

ORD 기록
ord-826a8ea5b81942c8a80f93c9d64b3b65
출처 데이터셋
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08263772B2

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