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Methylamine → 3-Benzyloxy-1-(2,2-dimethoxyethyl)-5-methylcarbamoylmethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid 3-chlorobenzylamide

HRID 1349485
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HRID 1349485 반응식
[CH2:1]([O:8][C:9]1[C:10](=[O:36])[C:11]([CH2:32][C:33](O)=[O:34])=[CH:12][N:13]([CH2:26][CH:27]([O:30][CH3:31])[O:28][CH3:29])[C:14]=1[C:15](=[O:25])[NH:16][CH2:17][C:18]1[CH:23]=[CH:22][CH:21]=[C:20]([Cl:24])[CH:19]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl.[CH2:38]([N:40]=C=NCCCN(C)C)C.O.ON1C2C=CC=CC=2N=N1.CN>CN(C)C=O.CO.C(Cl)(Cl)Cl>[Cl:24][C:20]1[CH:19]=[C:18]([CH:23]=[CH:22][CH:21]=1)[CH2:17][NH:16][C:15]([C:14]1[N:13]([CH2:26][CH:27]([O:30][CH3:31])[O:28][CH3:29])[CH:12]=[C:11]([CH2:32][C:33](=[O:34])[NH:40][CH3:38])[C:10](=[O:36])[C:9]=1[O:8][CH2:1][C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1)=[O:25]
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참가 물질

8

반응물 4

HCID 6329MethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 21091365[5-Benzyloxy-6-(3-chlorobenzylcarbamoyl)-1-(2,2-dimethoxyethyl)-4-oxo-1,4-dihydropyridin-3-yl]acetic acid

생성물 1

HCID 588591523-Benzyloxy-1-(2,2-dimethoxyethyl)-5-methylcarbamoylmethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid 3-chlorobenzylamide
수율 85.8%

시약·촉매·용매 3

HCID 887Methanol용매HCID 6212Chloroform용매HCID 6228Dimethylformamide용매

실험 절차

To a solution of [5-benzyloxy-6-(3-chlorobenzylcarbamoyl)-1-(2,2-dimethoxyethyl)-4-oxo-1,4-dihydropyridin-3-yl]acetic acid (25 mg) obtained in Example 191, Step 1 in dimethylformamide (0.2 ml), were successively added 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (19 mg), 1-hydroxybenzotriazole hydrate (15 mg) and methylamine (2M tetrahydrofuran solution) (0.073 ml), and the mixture was stirred at room temperature for 2 hr. The obtained reaction mixture was applied as it was to silica gel thin layer chromatography (chloroform:methanol=10:1) and crystallized from ethyl acetate-diisopropyl ether to give 3-benzyloxy-1-(2,2-dimethoxyethyl)-5-methylcarbamoylmethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid 3-chlorobenzylamide (22 mg).

후처리

  1. customThe obtained reaction mixture
  2. customcrystallized from ethyl acetate-diisopropyl ether

출처 및 근거

ORD 기록
ord-cd8a5de3a2344d9caf27b9a8547dc6fb
출처 데이터셋
uspto-grants-2007_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07211572B2

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