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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → tert-butyl 4-(2-(6-fluoro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamido)-4-methylcyclohexylcarbamate

HRID 246653
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HRID 246653 반응식
[F: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][NH:18][C:15]4=[N:16][CH:17]=3)=[N:7][N:8]2[CH3:11])=[CH:4][CH:3]=1.Cl.[NH2:25][C:26]1([CH3:40])[CH2:31][CH2:30][CH:29]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:38])([CH3:37])[CH3:36])[CH2:28][CH2:27]1.CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.CCN(C(C)C)C(C)C>CN(C1C=CN=CC=1)C.CN(C=O)C>[F: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]([NH:25][C:26]5([CH3:40])[CH2:31][CH2:30][CH:29]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:37])([CH3:36])[CH3:38])[CH2:28][CH2:27]5)=[O:22])=[CH:19][NH:18][C:15]4=[N:16][CH:17]=3)=[N:7][N:8]2[CH3:11])=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 5

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 71279525Tert-butyl 4-amino-4-methylcyclohexylcarbamate hydrochlorideHCID 712796392-(6-fluoro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid

생성물 1

HCID 71279681
tert-butyl 4-(2-(6-fluoro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamido)-4-methylcyclohexylcarbamate
수율 49%

시약·촉매·용매 2

HCID 142844-(Dimethylamino)pyridine촉매HCID 6228Dimethylformamide용매

실험 절차

A mixture of 2-(6-fluoro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid (0.08 g, 0.26 mmol), tert-butyl 4-amino-4-methylcyclohexylcarbamate hydrochloride (0.07 g, 0.26 mmol), EDCI (0.076 g, 0.4 mmol), DMAP (0.05 g, 0.4 mmol), HOBT (0.054 g, 0.4 mmol) and DIPEA (0.206 g, 1.6 mmol) in 20 mL of DMF was stirred at room temperature overnight. The solvent was removed under reduced pressure and the residue was passed through a pad of silica gel (200-300 mesh, eluting with a mixture of petroleum ether and ethyl acetate (4:1, v/v) to give tert-butyl 4-(2-(6-fluoro-1-methyl-1H-indazol-3-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamido)-4-methylcyclohexylcarbamate (0.065 g, 49%) as a white solid which was used for the next step without further purification. MS: (M+H)+=522.2.

후처리

  1. customThe solvent was removed under reduced pressure
  2. washeluting with a mixture of petroleum ether and ethyl acetate (4:1

출처 및 근거

ORD 기록
ord-f3003fc128cb4aebae4fa89a4a63075f
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08658646B2

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