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

HRID 2280290
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HRID 2280290 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(N(CC)CC)C.S([NH:47][N:48]=[CH:49][CH:50](Cl)Cl)(C1C=CC(C)=CC=1)(=O)=O>CO.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]([N:18]3[CH:50]=[CH:49][N:48]=[N:47]3)=[CH:16][CH:17]=2)=[CH:10][CH:11]=1)[CH3:2]
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반응물 3

HCID 8471TriethylamineHCID 583056233-[5-(4-aminophenyl)-1-(4-carbamoyl-2-methylphenyl)-1H-pyrrol-2-yl]propanoic acid ethyl esterHCID 671758942,2-Dichloroacetaldehyde tosylhydrazone2회

생성물 1

HCID 583057293-[1-(4-carbamoyl-2-methylphenyl)-5-(4-[1,2,3]triazol-1-yl-phenyl)-1H-pyrrol-2-yl]-propionic acid ethyl ester수율 51.2%

시약·촉매·용매 2

HCID 887
Methanol
용매
2회
HCID 962Water용매

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온도
0 °C

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) (103 mg, 0.26 mmol) was dissolved in methanol (5 mL). Triethylamine (0.07 mL, 0.48 mmol) was added. The mixture was cooled to 0° C. 2,2-dichloroacetaldehyde tosylhydrazone (15A) (62 mg, 0.22 mmol), dissolved in methanol (1.5 mL) was added slowly. The reaction was stirred at 0° C. for 5 min, and then heated to 40° C. for 3 hrs, then cooled to room temperature for 16 hrs. 2,2-dichloroacetaldehyde tosylhydrazone (15A) (62 mg) was added and stirred an additional 4 hr. The reaction was diluted with water (5 mL) and extracted with ethyl acetate. The combined organic layers were washed with brine, 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=0.3) was isolated and dried under high vacuum to yield 3-[1-(4-carbamoyl-2-methylphenyl)-5-(4-[1,2,3]triazol-1-yl-phenyl)-1H-pyrrol-2-yl]-propionic acid ethyl ester (15B) (50 mg, 43%, light tan powder).

후처리

  1. additionwas added slowly
  2. temperatureheated to 40° C. for 3 hrs
  3. temperaturecooled to room temperature for 16 hrs
  4. stirringstirred an additional 4 hr
  5. extractionextracted with ethyl acetate
  6. washThe combined organic layers were washed with brine
  7. dry with materialdried over Na2SO4
  8. filtrationfiltered
  9. concentrationconcentrated in vacuo
  10. customThe crude material was purified by preparative TLC plate (1500 microns, 10% IPA/CH2Cl2)
  11. customThe desired band (RF=0.3) was isolated
  12. customdried under high vacuum

출처 및 근거

ORD 기록
ord-2bb63213272046e68885b98d712a9f83
출처 데이터셋
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09138427B2

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