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1,2-Dichloroethane → 3-[1-(4-carbamoyl-2-methylphenyl)-5-[4-(2-hydroxyacetylamino)-phenyl]-1H-pyrrol-2-yl]-propionic acid ethyl ester

HRID 2280293
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HRID 2280293 반응식
[CH2:1]([O:3][C:4](=[O:29])[CH2:5][CH2:6][C:7]1[N:8]([C:19]2[CH:24]=[CH:23][C:22]([C:25](=[O:27])[NH2:26])=[CH:21][C:20]=2[CH3:28])[C:9]([C:12]2[CH:17]=[CH:16][C:15]([NH2:18])=[CH:14][CH:13]=2)=[CH:10][CH:11]=1)[CH3:2].[C:30](O)(=[O:33])[CH2:31][OH:32].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.C(Cl)CCl>CN(C)C=O.O>[CH2:1]([O:3][C:4](=[O:29])[CH2:5][CH2:6][C:7]1[N:8]([C:19]2[CH:24]=[CH:23][C:22]([C:25](=[O:27])[NH2:26])=[CH:21][C:20]=2[CH3:28])[C:9]([C:12]2[CH:13]=[CH:14][C:15]([NH:18][C:31](=[O:32])[CH2:30][OH:33])=[CH:16][CH:17]=2)=[CH:10][CH:11]=1)[CH3:2]
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참가 물질

7

반응물 4

HCID 111,2-DichloroethaneHCID 757Glycolic AcidHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 583056233-[5-(4-aminophenyl)-1-(4-carbamoyl-2-methylphenyl)-1H-pyrrol-2-yl]propanoic acid ethyl ester

생성물 1

HCID 583056443-[1-(4-carbamoyl-2-methylphenyl)-5-[4-(2-hydroxyacetylamino)-phenyl]-1H-pyrrol-2-yl]-propionic acid ethyl ester
수율 60%

시약·촉매·용매 2

HCID 962Water용매HCID 6228Dimethylformamide용매

실험 절차

Under a nitrogen atmosphere, 3-[5-(4-aminophenyl)-1-(4-carbamoyl-2-methylphenyl)-1H-pyrrol-2-yl]-propionic acid ethyl ester (11A, see scheme 11) (102 mg, 0.26 mmol), glycolic acid (40 mg, 0.52 mmol), TBTU (167 mg, 0.52 mmol), and EDC (101 mg, 0.65 mmol) were dissolved in 1 mL N, N-dimethylformamide. After 24 hrs, the reaction was diluted with water and extracted with ethyl acetate. The combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. The crude material was purified by preparative TLC plate (1500 microns, 10% IPA/CH2Cl2). The desired band (rf=0.25) was isolated and dried under high vacuum to yield 3-{1-(4-carbamoyl-2-methylphenyl)-5-[4-(2-hydroxyacetylamino)-phenyl]-1H-pyrrol-2-yl]-propionic acid ethyl ester (18B) (66 mg, 60%, yellow powder).

후처리

  1. extractionextracted with ethyl acetate
  2. dry with materialThe combined organic layers were dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customThe crude material was purified by preparative TLC plate (1500 microns, 10% IPA/CH2Cl2)
  6. customThe desired band (rf=0.25) was isolated
  7. customdried under high vacuum

출처 및 근거

ORD 기록
ord-36ec6ec3b568439ea9a5c0c002a6a666
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09138427B2

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