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Potassium Carbonate → (S)-7-(5-chloro-2-fluorophenyl)-3-(tetrahydro-2H-pyran-4-yl)-5'H-spiro[chromeno[2,3-b]pyridine-5,4'-oxazol]-2'-amine

HRID 1970330
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HRID 1970330 반응식
FC(F)(F)S(O[C:7]1[CH:8]=[C:9]2[C@@:20]3([CH2:24][O:23][C:22]([NH2:25])=[N:21]3)[C:19]3[C:14](=[N:15][CH:16]=[C:17]([CH:26]4[CH2:31][CH2:30][O:29][CH2:28][CH2:27]4)[CH:18]=3)[O:13][C:10]2=[CH:11][CH:12]=1)(=O)=O.[Cl:34][C:35]1[CH:36]=[CH:37][C:38]([F:44])=[C:39](B(O)O)[CH:40]=1.C(=O)([O-])[O-].[K+].[K+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[Cl:34][C:35]1[CH:40]=[CH:39][C:38]([F:44])=[C:37]([C:7]2[CH:8]=[C:9]3[C@@:20]4([CH2:24][O:23][C:22]([NH2:25])=[N:21]4)[C:19]4[C:14](=[N:15][CH:16]=[C:17]([CH:26]5[CH2:31][CH2:30][O:29][CH2:28][CH2:27]5)[CH:18]=4)[O:13][C:10]3=[CH:11][CH:12]=2)[CH:36]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 3718925(5-Chloro-2-fluoro-phenyl)boronic acidHCID 86640723(S)-2'-amino-3-(tetrahydro-2H-pyran-4-yl)-5'H-spiro[chromeno[2,3-b]pyridine-5,4'-oxazole]-7-yl trifluoromethanesulfonate

생성물 1

HCID 58466200(S)-7-(5-chloro-2-fluorophenyl)-3-(tetrahydro-2H-pyran-4-yl)-5'H-spiro[chromeno[2,3-b]pyridine-5,4'-oxazol]-2'-amine

시약·촉매·용매 1

HCID 178418397
HCID 178418397, 화합물
촉매

실험 절차

A vial was charged with (S)-2′-amino-3-(tetrahydro-2H-pyran-4-yl)-5′H-spiro[chromeno[2,3-b]pyridine-5,4′-oxazole]-7-yl trifluoromethanesulfonate (70.0 mg, 0.144 mmol), 5-chloro-2-fluorophenylboronic acid (75 mg, 0.433 mmol), potassium carbonate (100 mg, 0.721 mmol), and Pd(PPh3)4 (8.33 mg, 7.21 μmol). The vial was flushed with Ar (g), then Dioxane (721 μL) and water (0.3 mL) were added in sequence. The vial was sealed and placed in an 80° C. for 1.5 hours. The mixture was diluted with brine (20 mL) and extracted with EtOAc (2×15 mL). The combined organic extracts were dried over sodium sulfate, filtered, and evaporated. The residue was chromatographed on a 24-g Redi-Sep Gold column with 0-60% of a 90:10:1 mix of DCM/MeOH/NH4OH in DCM to give (S)-7-(5-chloro-2-fluorophenyl)-3-(tetrahydro-2H-pyran-4-yl)-5′H-spiro[chromeno[2,3-b]pyridine-5,4′-oxazol]-2′-amine.

후처리

  1. customThe vial was flushed with Ar (g)
  2. additionDioxane (721 μL) and water (0.3 mL) were added in sequence
  3. customThe vial was sealed
  4. additionThe mixture was diluted with brine (20 mL)
  5. extractionextracted with EtOAc (2×15 mL)
  6. dry with materialThe combined organic extracts were dried over sodium sulfate
  7. filtrationfiltered
  8. customevaporated
  9. customThe residue was chromatographed on a 24-g Redi-Sep Gold column with 0-60% of a 90:10:1
  10. additionmix of DCM/MeOH/NH4OH in DCM

출처 및 근거

ORD 기록
ord-3a9cd03196084e579b34e2aaf4874f62
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08426447B2

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