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2-(2-Bromoethoxy)-4-nitrobenzonitrile → 2-(2-(2-(2-chloro-7-(4-fluorophenyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-ylamino)ethylamino)ethoxy)-4-nitrobenzonitrile

HRID 474264
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HRID 474264 반응식
[Cl:1][C:2]1[N:3]=[C:4]([NH:18][CH2:19][CH2:20][NH2:21])[C:5]2[CH2:10][CH2:9][CH:8]([C:11]3[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=3)[C:6]=2[N:7]=1.Br[CH2:23][CH2:24][O:25][C:26]1[CH:33]=[C:32]([N+:34]([O-:36])=[O:35])[CH:31]=[CH:30][C:27]=1[C:28]#[N:29]>CN(C=O)C>[Cl:1][C:2]1[N:3]=[C:4]([NH:18][CH2:19][CH2:20][NH:21][CH2:23][CH2:24][O:25][C:26]2[CH:33]=[C:32]([N+:34]([O-:36])=[O:35])[CH:31]=[CH:30][C:27]=2[C:28]#[N:29])[C:5]2[CH2:10][CH2:9][CH:8]([C:11]3[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=3)[C:6]=2[N:7]=1
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반응물 2

HCID 666658762-(2-Bromoethoxy)-4-nitrobenzonitrileHCID 86668112N1-(2-chloro-7-(4-fluorophenyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)ethane-1,2-diamine

생성물 1

HCID 866681112-(2-(2-(2-chloro-7-(4-fluorophenyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-ylamino)ethylamino)ethoxy)-4-nitrobenzonitrile수율 21.7%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a solution of N1-(2-chloro-7-(4-fluorophenyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)ethane-1,2-diamine {Preparation Sc Step (1), 1.0 g, 3.265 mmol} in DMF (5 mL) was added TEA (0.495 g, 4.89 mmol) followed by 2-(2-bromoethoxy)-4-nitrobenzonitrile (Preparation N, 1.05 g, 3.91 mmol) at room temperature. The reaction mixture was stirred at rt for 18 h. The solvent was removed under reduced pressure and the residue was taken in dichloromethane (5 mL) and silica (1 g). The resultant slurry of the compound in silica was subjected to flash chromatography using a Teledyne Isco instrument (12 g RediSep silica column, 10% methanol in chloroform) to get 2-(2-(2-(2-chloro-7-(4-fluorophenyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-ylamino)ethylamino)ethoxy)-4-nitrobenzonitrile (0.35 g, 21.7%) as a light yellow solid. LC-MS (M+H)+=497.2. 1H NMR (400 MHz, CDCl3) δ ppm 7.93-7.91 (1H, d, J=6.8 Hz), 7.90 (1H, s), 7.86-7.85 (1H, m), 7.12-7.00 (2H, m), 6.98-6.96 (2H, m), 5.30 (1H, br s), 4.34-4.32 (2H, m), 4.26-4.24 (1H, m), 3.70-3.66 (2H, m), 3.21-3.19 (2H, m), 3.04-3.02 (2H, m), 2.78-2.63 (3H, m), 1.99-1.98 (1H, m).

후처리

  1. customThe solvent was removed under reduced pressure

출처 및 근거

ORD 기록
ord-283b586d9fb749a78ebe23db805d2259
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08637523B2

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