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Water → 2-(2-{4-[4-(2,4-dioxothiazolidin-5-ylidenemethyl)-phenoxy]-phenyl}-1-methoxycarbonylethylcarbamoyl)-pyrrolidine-1-carboxylic Acid Tert-Butyl Ester

HRID 7349
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HRID 7349 반응식
Cl.[NH2:2][CH:3]([C:26]([O:28][CH3:29])=[O:27])[CH2:4][C:5]1[CH:25]=[CH:24][C:8]([O:9][C:10]2[CH:23]=[CH:22][C:13]([CH:14]=[C:15]3[S:19][C:18](=[O:20])[NH:17][C:16]3=[O:21])=[CH:12][CH:11]=2)=[CH:7][CH:6]=1.[C:30]([N:37]1[CH2:41][CH2:40][CH2:39][CH:38]1[C:42](O)=[O:43])([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31].C1(N=C=NC2CCCCC2)CCCCC1.O>CN(C)C=O.C(OCC)(=O)C>[C:33]([O:32][C:30]([N:37]1[CH2:41][CH2:40][CH2:39][CH:38]1[C:42](=[O:43])[NH:2][CH:3]([C:26]([O:28][CH3:29])=[O:27])[CH2:4][C:5]1[CH:25]=[CH:24][C:8]([O:9][C:10]2[CH:23]=[CH:22][C:13]([CH:14]=[C:15]3[S:19][C:18](=[O:20])[NH:17][C:16]3=[O:21])=[CH:12][CH:11]=2)=[CH:7][CH:6]=1)=[O:31])([CH3:36])([CH3:35])[CH3:34]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 962WaterHCID 10868DicyclohexylcarbodiimideHCID 2684721-[(Tert-butoxy)carbonyl]pyrrolidine-2-carboxylic acidHCID 730387885[4-(4-(2-Amino-2-methoxycarbonylethyl)phenoxy)benzylidene]thiazolidin-2,4-dione hydrochloride

생성물 1

HCID 865974412-(2-{4-[4-(2,4-dioxothiazolidin-5-ylidenemethyl)-phenoxy]-phenyl}-1-methoxycarbonylethylcarbamoyl)-pyrrolidine-1-carboxylic Acid Tert-Butyl Ester
수율 32.4%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

A solution of 5[4-(4-(2-amino-2-methoxycarbonylethyl)phenoxy)benzylidene]thiazolidin-2,4-dione hydrochloride (2.5 g, 5.76 mmol) and N-Boc-pyrolidin-2-carboxylic acid (1.238 g, 5.76 mmol) in dimethyl formamide (25 ml) was stirred for 60 minutes at 0° C. N,N′-Dicyclohexylcarbodiimide (1.423 g, 6.91 mmol) was added to it and stirring was continued for 10 h at ambient temperature. Water (200 ml) was added to the reaction mixture and stirred for 15 minutes. Ethyl acetate (200 ml) was added to the reaction mixture and stirring continued for another 15 minutes. The organic layer was separated, washed with water (75 ml), dried over anhydrous sodium sulphate and concentrated to afford the crude product, which was purified by column chromatography to furnish the required product (1.1 g, yield 32.4%).

후처리

  1. stirringstirred for 15 minutes
  2. stirringstirring
  3. waitcontinued for another 15 minutes
  4. customThe organic layer was separated
  5. washwashed with water (75 ml)
  6. dry with materialdried over anhydrous sodium sulphate
  7. concentrationconcentrated
  8. customto afford the crude product, which
  9. customwas purified by column chromatography

출처 및 근거

ORD 기록
ord-63d709e139114d61af6aab85262e9c8f
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07087576B2

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