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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 (3-hydroxy-cyclohexyl)amide

HRID 246142
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HRID 246142 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]([OH:23])=O)=[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][CH:33]1[CH2:38][CH2:37][CH2:36][CH:35]([OH:39])[CH2:34]1.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:39][CH:35]1[CH2:36][CH2:37][CH2:38][CH:33]([NH:32][C:21]([C:20]2[C:14]3[C:15](=[N:16][CH:17]=[C:12]([C:6]4[C:5]5[C:9](=[CH:10][C:2]([Cl:1])=[CH:3][CH:4]=5)[N:8]([CH3:11])[N:7]=4)[N:13]=3)[N:18]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:30])([CH3:29])[CH3:31])[CH:19]=2)=[O:23])[CH2:34]1
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참가 물질

7

반응물 5

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 112404593-AminocyclohexanolHCID 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 71286072
2-(6-chloro-1-methyl-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (3-hydroxy-cyclohexyl)amide
수율 86.8%

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 (0.10 g, 0.22 mmol), 3-aminocyclohexanol (mixture of cis and trans) (45 mg, 0.39 mmol), HBTU (0.10 g, 0.26 mmol), and HOBT (0.03 g, 0.26 mmol). Then added DMF (1.0 mL) followed by N,N-diisopropylethylamine (0.07 ml, 0.26 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: 0-100% EtOAc) to afford 106 mg of 2-(6-chloro-1-methyl-1H-indazol-3-yl)-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (3-hydroxy-cyclohexyl)amide as an off-white foam. MS: [M+H]+=556.

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: 0-100% EtOAc)

출처 및 근거

ORD 기록
ord-509c69659e9d46ea938a148f781772b8
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658646B2

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