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Diisopropylethylamine → 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid [2-amino-4-(4-methyl-piperazin-1-yl)-phenyl]-amide

HRID 1982945
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HRID 1982945 반응식
[Br:1][C:2]1[CH:3]=[C:4]2[C:10]([C:11]([OH:13])=O)=[N:9][NH:8][C:5]2=[N:6][CH:7]=1.[CH3:14][N:15]1[CH2:20][CH2:19][N:18]([C:21]2[CH:22]=[C:23]([NH2:28])[C:24]([NH2:27])=[CH:25][CH:26]=2)[CH2:17][CH2:16]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[NH2:28][C:23]1[CH:22]=[C:21]([N:18]2[CH2:19][CH2:20][N:15]([CH3:14])[CH2:16][CH2:17]2)[CH:26]=[CH:25][C:24]=1[NH:27][C:11]([C:10]1[C:4]2[C:5](=[N:6][CH:7]=[C:2]([Br:1])[CH:3]=2)[NH:8][N:9]=1)=[O:13]
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 27635454-(4-Methylpiperazino)-1,2-benzenediamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 178524942HCID 178524942, 화합물

생성물 1

HCID 1784807545-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid [2-amino-4-(4-methyl-piperazin-1-yl)-phenyl]-amide

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

A mixture of 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid Compound 1c (2.095 g, 8.66 mmol), 4-(4-methyl-piperazin-1-yl)-benzene-1,2-diamine Compound 14a (1.79 g, 8.68 mmol), HATU (3.29 g, 8.66 mmol) and DIPEA (4 mL, 28.7 mmol) in DMF (70 mL) was stirred at room temperature overnight. The solvent was removed and the residue was purified by silica gel chromatography (10% to 90% of ethyl acetate in hexanes) to yield 5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid [2-amino-4-(4-methyl-piperazin-1-yl)-phenyl]-amide Compound 14b (2 g, 54% yield) as a brown powder. 1H NMR (300 MHz, CD3OD) δ 8.81 (d, 1H, J=2.1 Hz), 8.66 (d, 1H, J=2.1 Hz), 7.42 (d, 1H, J=8.7 Hz), 7.11 (dd, 1H, J=2.7, 8.7 Hz), 7.03 (d, 1H, J=2.7 Hz), 3.92 (b, 2H), 3.65 (b, 2H), 3.31 (b, 2H), 3.16 (b, 2H), 2.81 (s, 3H); MS (ESI) m/z: 431 (M+H+).

후처리

  1. customThe solvent was removed
  2. customthe residue was purified by silica gel chromatography (10% to 90% of ethyl acetate in hexanes)

출처 및 근거

ORD 기록
ord-2ee26248124748e8834803e5fe590edb
출처 데이터셋
uspto-grants-2009_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07541367B2

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