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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
ノート
印刷プレビュー

反応式

HRID 2280293 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 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

生成物 1

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

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-36ec6ec3b568439ea9a5c0c002a6a666
出典データセット
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09138427B2

反応ノート

読み込み中…

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