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Diisopropylethylamine → 2-{[(3-tert-Butoxycarbonylamino-pyridin-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-5-cyano-benzoic acid methyl ester

HRID 251237
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HRID 251237 반응식
[C:1]([O:5][C:6](=[O:24])[NH:7][C:8]1[C:9]([CH2:14][NH:15][CH2:16][C:17]2[C:22]([CH3:23])=[CH:21][CH:20]=[CH:19][N:18]=2)=[N:10][CH:11]=[CH:12][CH:13]=1)([CH3:4])([CH3:3])[CH3:2].[CH3:25][O:26][C:27](=[O:38])[C:28]1[CH:33]=[C:32]([C:34]#[N:35])[CH:31]=[CH:30][C:29]=1[CH2:36]Br.CCN(C(C)C)C(C)C>CC#N>[CH3:25][O:26][C:27](=[O:38])[C:28]1[CH:33]=[C:32]([C:34]#[N:35])[CH:31]=[CH:30][C:29]=1[CH2:36][N:15]([CH2:14][C:9]1[C:8]([NH:7][C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:24])=[CH:13][CH:12]=[CH:11][N:10]=1)[CH2:16][C:17]1[C:22]([CH3:23])=[CH:21][CH:20]=[CH:19][N:18]=1
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참가 물질

5

반응물 3

HCID 81531DiisopropylethylamineHCID 17965928Methyl 2-(bromomethyl)-5-cyanobenzoateHCID 67271562(2-{[(3-Methyl-pyridin-2-ylmethyl)-amino]-methyl}-pyridin-3-yl)-carbamic acid tert-butyl ester

생성물 1

HCID 672728132-{[(3-tert-Butoxycarbonylamino-pyridin-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-5-cyano-benzoic acid methyl ester수율 90.2%

시약·촉매·용매 1

HCID 6342
Acetonitrile
용매

실험 절차

Using General Procedure A: A solution (2-{[(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-pyridin-3-yl)-carbamic acid tert-butyl ester (0.220 g, 0.65 mmol), 2-bromomethyl-5-cyano-benzoic acid methyl ester (0.245 g, 0.97 mmol), and DIPEA (0.23 mL, 1.32 mmol) in CH3CN (7 mL) was stirred at room temperature for 21 hours. Purification of the crude material by column chromatography on silica gel (20:1:1 CH2Cl2-MeOH—NH4OH) provided 0.294 g (88%) of 2-{[(3-tert-Butoxycarbonylamino-pyridin-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-5-cyano-benzoic acid methyl ester as a colorless oil. 1H NMR (CDCl3) δ 1.58 (s, 9H), 2.20 (s, 3H), 3.76 (s, 2H), 3.86 (s, 3H), 4.05 (s, 2H), 4.09 (s, 2H), 7.09-7.16 (m, 2H), 7.44 (d, 1H, J=7.8 Hz), 7.55 (dd, 1H, J=8.1, 1.5 Hz), 7.89 (d, 1H, J=8.1 Hz), 8.04 (d, 1H, J=1.5 Hz), 8.09 (dd, 1H, J=1.5, 4.8 Hz), 8.51 (d, 1H, J=7.8 Hz), 8.63 (d, 1H, J=4.8 Hz).

후처리

  1. customPurification of the crude material by column chromatography on silica gel (20:1:1 CH2Cl2-MeOH—NH4OH)

출처 및 근거

ORD 기록
ord-022e0ba79e874dd59c11d3aa0f14874f
출처 데이터셋
uspto-grants-2011_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07863293B2

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