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1-Hydroxybenzotriazole → 2-(6-chloro-1-methyl-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid ((R)-2-hydroxy-1-methyl-ethyl)-amide

HRID 246148
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HRID 246148 반응식
[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:12]3[N:13]=[C:14]4[C:20]([C:21](O)=[O:22])=[CH:19][N:18]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:31])([CH3:30])[CH3:29])[C:15]4=[N:16][CH:17]=3)=[N:7][N:8]2[CH3:11])=[CH:4][CH:3]=1.[NH2:32][C@H:33]([CH3:36])[CH2:34][OH:35].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C1C=CC2N(O)N=NC=2C=1.C(N(CC)C(C)C)(C)C>CN(C=O)C>[OH:35][CH2:34][C@H:33]([NH:32][C:21]([C:20]1[C:14]2[C:15](=[N:16][CH:17]=[C:12]([C:6]3[C:5]4[C:9](=[CH:10][C:2]([Cl:1])=[CH:3][CH:4]=4)[N:8]([CH3:11])[N:7]=3)[N:13]=2)[N:18]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:29])([CH3:31])[CH3:30])[CH:19]=1)=[O:22])[CH3:36]
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참가 물질

7

반응물 5

HCID 757711-HydroxybenzotriazoleHCID 80308(R)-(-)-2-Amino-1-propanolHCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 712796712-(6-chloro-1-methyl-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid

생성물 1

HCID 71286091
2-(6-chloro-1-methyl-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid ((R)-2-hydroxy-1-methyl-ethyl)-amide
수율 65%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A 25 mL round-bottomed flask was charged with 2-(6-chloro-1-methyl-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (0.15 g, 0.33 mmol), (R)-2-aminopropan-1-ol (49 mg, 0.66 mmol), HBTU (155 mg, 0.41 mmol), and HOBT (58 mg, 0.49 mmol). Then added DMF (1.1 mL) followed by N,N-diisopropylethylamine (0.17 mL, 0.97 mmol). The yellow reaction mixture was stirred at room temperature overnight then quenched with water and extracted with EtOAc (30 mL). The organic layer was washed once with saturated NaHCO3 and water. The combined aqueous layers were back extracted with EtOAc (25 mL). The combined organic layers was dried over sodium sulfate, filtered and concentrated. The residue was purified by chromatography over SiO2 with EtOAc/hexanes (gradient: 0-60% EtOAc) to afford 110 mg (65%) of 2-(6-chloro-1-methyl-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid ((R)-2-hydroxy-1-methyl-ethyl)-amide as an off-white solid. MS: [M+H]+=515.

후처리

  1. customthen quenched with water
  2. extractionextracted with EtOAc (30 mL)
  3. washThe organic layer was washed once with saturated NaHCO3 and water
  4. extractionThe combined aqueous layers were back extracted with EtOAc (25 mL)
  5. dry with materialThe combined organic layers was dried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe residue was purified by chromatography over SiO2 with EtOAc/hexanes (gradient: 0-60% EtOAc)

출처 및 근거

ORD 기록
ord-ef9260b978dc4004a94907ce0c2dcaa7
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658646B2

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