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Potassium Phosphate, Tribasic → 5-(3-(4-cyclopropylpyrimidin-2-yl)-6-fluoro-1-tosyl-1H-indol-5-yl)-N-isopropyl-1,3,4-oxadiazol-2-amine

HRID 634303
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HRID 634303 반응식
[F:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6](B3OC(C)(C)C(C)(C)O3)=[CH:7][N:8]2[S:11]([C:14]2[CH:20]=[CH:19][C:17]([CH3:18])=[CH:16][CH:15]=2)(=[O:13])=[O:12])=[CH:4][C:3]=1[C:30]1[O:34][C:33]([NH:35][CH:36]([CH3:38])[CH3:37])=[N:32][N:31]=1.Br[C:40]1[N:45]=[C:44]([CH:46]2[CH2:48][CH2:47]2)[CH:43]=[CH:42][N:41]=1.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C>[CH:46]1([C:44]2[CH:43]=[CH:42][N:41]=[C:40]([C:6]3[C:5]4[C:9](=[CH:10][C:2]([F:1])=[C:3]([C:30]5[O:34][C:33]([NH:35][CH:36]([CH3:37])[CH3:38])=[N:32][N:31]=5)[CH:4]=4)[N:8]([S:11]([C:14]4[CH:15]=[CH:16][C:17]([CH3:18])=[CH:19][CH:20]=4)(=[O:12])=[O:13])[CH:7]=3)[N:45]=2)[CH2:48][CH2:47]1
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참가 물질

6

반응물 3

HCID 62657Potassium Phosphate, TribasicHCID 49758247HCID 49758247, 화합물HCID 683280445-(6-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-indol-5-yl)-N-isopropyl-1,3,4-oxadiazol-2-amine

생성물 1

HCID 683288885-(3-(4-cyclopropylpyrimidin-2-yl)-6-fluoro-1-tosyl-1H-indol-5-yl)-N-isopropyl-1,3,4-oxadiazol-2-amine수율 102.6%

시약·촉매·용매 2

HCID 9811564
Bis(dibenzylideneacetone)palladium
촉매
HCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenyl촉매

반응 조건

온도
130 °C

실험 절차

A 20 mL microwave vial was charged with 5-(6-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-indol-5-yl)-N-isopropyl-1,3,4-oxadiazol-2-amine (185 mg, 0.342 mmol), Xphos (Strem Chemicals, Newburyport, Mass., 9.8 mg, 0.021 mmol), Pd2(dba)3 (Strem Chemicals, Newburyport, Mass., 9.4 mg, 10.27 μmol), 2-bromo-4-cyclopropylpyrimidine (CombiPhos Catalysts Inc., Princeton, N.J., 82 mg, 0.411 mmol) and potassium phosphate (218 mg, 1.03 mmol) followed by purging with argon. The solids were treated with dioxane (4.0 mL) and water (1.0 mL) and heated in the microwave at 130° C. for 20 min. The reaction mixture was treated with water and extracted with EtOAc, dried over MgSO4, filtered and concentrated. Purification of the crude residue on the ISCO Combiflash Rf (12 g Redisep column, using a gradient of 0-100% EtOAc in hexanes) afforded 5-(3-(4-cyclopropylpyrimidin-2-yl)-6-fluoro-1-tosyl-1H-indol-5-yl)-N-isopropyl-1,3,4-oxadiazol-2-amine (186.7 mg, 0.351 mmol, 102% yield) as a viscous yellow oil in ca. 90% purity. MS (ESI, pos. ion) m/z: 533.0 (M+H)+. The material was used in the subsequent step without further purification.

후처리

  1. customby purging with argon
  2. additionThe solids were treated with dioxane (4.0 mL) and water (1.0 mL)
  3. additionThe reaction mixture was treated with water
  4. extractionextracted with EtOAc
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customPurification of the crude residue on the ISCO Combiflash Rf (12 g Redisep column

출처 및 근거

ORD 기록
ord-2dd85c3f98714f4eb1823713105e1502
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09321756B2

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