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Ethyl Acetate → HCID 131718139, 화합물

HRID 1734271
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HRID 1734271 반응식
[CH:1]([NH:3][C:4]1[S:5][CH:6]=[C:7]([C:9](=[N:27][O:28][CH3:29])[C:10]([NH:12][C@@H:13]2[C:25](=[O:26])[N:15]3[C:16]([C:22]([OH:24])=[O:23])=[C:17]([CH2:20]Cl)[CH2:18][S:19][C@H:14]23)=[O:11])[N:8]=1)=[O:2].[CH3:30][N:31]1[CH2:36][CH2:35][N:34]([C:37](=[O:46])[C:38]2[CH:43]=[CH:42][C:41]([OH:44])=[C:40]([OH:45])[CH:39]=2)[CH2:33][CH2:32]1.C(OCC)(=O)C>CN(C)C=O>[CH:1]([NH:3][C:4]1[S:5][CH:6]=[C:7]([C:9](=[N:27][O:28][CH3:29])[C:10]([NH:12][C@@H:13]2[C:25](=[O:26])[N:15]3[C:16]([C:22]([O-:24])=[O:23])=[C:17]([CH2:20][N+:31]4([CH3:30])[CH2:36][CH2:35][N:34]([C:37](=[O:46])[C:38]5[CH:43]=[CH:42][C:41]([OH:44])=[C:40]([OH:45])[CH:39]=5)[CH2:33][CH2:32]4)[CH2:18][S:19][C@H:14]23)=[O:11])[N:8]=1)=[O:2]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8857Ethyl AcetateHCID 3062451Piperazine, 1-(3,4-dihydroxybenzoyl)-4-methyl-HCID 1317181417beta-[2-(2-Formamidothiazol-4-yl)-2-methoxyiminoacetamido]-3-chloromethyl-3-cephem-4-carboxylic acid

생성물 1

HCID 131718139HCID 131718139, 화합물수율 115.9%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

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온도
0 °C

실험 절차

To a solution of 7β-[2-(2-formamidothiazol-4-yl)-2-methoxyiminoacetamido]-3-chloromethyl-3-cephem-4-carboxylic acid (syn isomer) (920 mg) in N,N-dimethylformamide (5 ml) was added 1-methyl-4-(3,4-dihydroxybenzoyl)piperazine (945 mg) at 0° C. and the mixture was stirred at 0° C. for 3.5 hours. The mixture was added dropwise to ethyl acetate (200 ml) under stirring and the pulverized product was collected by filtration and washed with ethyl acetate to give 7β-[2-(2-formamidothiazol-4-yl)-2-methoxyiminoacetamido]-3-[1-methyl-4-(3,4-dihydroxybenzoyl)-1-piperazinio]methyl-3-cephem-4-carboxylate (syn isomer) (1.53 g).

후처리

  1. stirringunder stirring
  2. filtrationthe pulverized product was collected by filtration
  3. washwashed with ethyl acetate

출처 및 근거

ORD 기록
ord-a21126c5dc3d44038842991e32dcd14d
출처 데이터셋
uspto-grants-1996_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05532354

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