HRID5527

反应详情

EQUATION

反应方程式

REACTANTS

反应物

HCID8857

Ethyl acetate

C4H8O2

HCID3062451

Piperazine, 1-(3,4-dihydroxybenzoyl)-4-methyl-

C12H16N2O3

结构：CON=C(C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=C(CCl)CS[C@H]12)c1csc(NC=O)n1

HCID131718141

未命名化合物

PRODUCTS

生成物

结构：CON=C(C(=O)N[C@@H]1C(=O)N2C(C(=O)[O-])=C(C[N+]3(C)CCN(C(=O)c4ccc(O)c(O)c4)CC3)CS[C@H]12)c1csc(NC=O)n1

HCID131718139

未命名化合物

收率 115.9%

AUXILIARIES

试剂、催化剂与溶剂

溶剂HCID6228

N,N-Dimethylformamide

C3H7NO

CONDITIONS

反应条件

温度: 0 °C

PROCEDURE

实验过程

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).

WORKUP

后处理

stirringunder stirring
filtrationthe pulverized product was collected by filtration
washwashed with ethyl acetate

来源与证据

来源类型: Open Reaction Database
ORD 记录: ord-55ffa67baea94d4f88c43cf174843b6b
来源数据集: uspto-grants-1993_09
DOI: 10.6084/m9.figshare.5104873.v1
专利: US05244890
来源说明: uspto-grants-1993_09

反应 SMILES

[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]