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Triethylamine → N-[2-[4-(2,4-Dioxothiazolidin-5-ylmethyl)phenoxyacetylamino]-5-methoxyphenyl]-N-methylcarbamic Acid t-butyl Ester

HRID 1061123
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HRID 1061123 반응식
[C:1]([O:5][C:6](=[O:18])[N:7]([C:9]1[CH:14]=[C:13]([O:15][CH3:16])[CH:12]=[CH:11][C:10]=1[NH2:17])[CH3:8])([CH3:4])([CH3:3])[CH3:2].[O:19]=[C:20]1[NH:24][C:23](=[O:25])[CH:22]([CH2:26][C:27]2[CH:37]=[CH:36][C:30]([O:31][CH2:32][C:33](O)=[O:34])=[CH:29][CH:28]=2)[S:21]1.C(N(CC)CC)C.C(=O)([O-])O.[Na+]>C(Cl)Cl.C(OCC)(=O)C>[C:1]([O:5][C:6](=[O:18])[N:7]([C:9]1[CH:14]=[C:13]([O:15][CH3:16])[CH:12]=[CH:11][C:10]=1[NH:17][C:33](=[O:34])[CH2:32][O:31][C:30]1[CH:29]=[CH:28][C:27]([CH2:26][CH:22]2[S:21][C:20](=[O:19])[NH:24][C:23]2=[O:25])=[CH:37][CH:36]=1)[CH3:8])([CH3:4])([CH3:2])[CH3:3]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 10198914tert-butyl N-(2-amino-5-methoxyphenyl)-N-methylcarbamateHCID 113234852-(4-((2,4-Dioxothiazolidin-5-YL)methyl)phenoxy)acetic acid

생성물 1

HCID 9936338N-[2-[4-(2,4-Dioxothiazolidin-5-ylmethyl)phenoxyacetylamino]-5-methoxyphenyl]-N-methylcarbamic Acid t-butyl Ester수율 85.1%

시약·촉매·용매 2

HCID 6344Dichloromethane용매HCID 8857Ethyl Acetate용매

실험 절차

To a suspension at 0° C. of N-(2-amino-5-methoxyphenyl)-N-methylcarbamic acid t-butyl ester (4.2 g) and 4-(2,4-dioxothiazolidin-5-ylmethyl)phenoxyacetic acid (5.2 g) in methylene chloride (30 ml) was added triethylamine (5.1 ml) and 50% propylphosphonic acid cyclic anhydride in ethyl acetate (12.7 g) and the mixture was stirred at the same temperature for 2 hours. At the end of this time to the reaction mixture was added 5% aqueous sodium hydrogencarbonate solution and the mixture was extracted with methylene chloride. The extract was washed with water and diluted hydrochloric acid and concentrated in vacuo. To the residue was added methanol (40 ml) and the precipitated crystals were filtered to give the title compound (7.3 g, yield 85%).

후처리

  1. extractionthe mixture was extracted with methylene chloride
  2. washThe extract was washed with water and diluted hydrochloric acid
  3. concentrationconcentrated in vacuo
  4. additionTo the residue was added methanol (40 ml)
  5. filtrationthe precipitated crystals were filtered

출처 및 근거

ORD 기록
ord-42d348ce379049a198fe90076250e39d
출처 데이터셋
uspto-grants-2003_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06525220B2

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