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Dimethylformamide → ethyl 4-{[(2-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1,3-thiazol-5-yl)methyl]amino}butanoate

HRID 504704
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HRID 504704 반응식
Cl[CH2:2][C:3]1[S:7][C:6]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][CH:13]=[CH:12][C:11]=3[N:17]([CH3:26])[S:18]([C:21]2[S:22][CH:23]=[CH:24][CH:25]=2)(=[O:20])=[O:19])=[N:5][CH:4]=1.C(N(CC)CC)C.Cl.Cl.[NH2:36][CH2:37][CH2:38][CH2:39][C:40]([O:42][CH2:43][CH3:44])=[O:41].CN(C)C=O>O>[CH3:26][N:17]([S:18]([C:21]1[S:22][CH:23]=[CH:24][CH:25]=1)(=[O:19])=[O:20])[C:11]1[CH:12]=[CH:13][CH:14]=[C:15]2[C:10]=1[NH:9][C:8]([C:6]1[S:7][C:3]([CH2:2][NH:36][CH2:37][CH2:38][CH2:39][C:40]([O:42][CH2:43][CH3:44])=[O:41])=[CH:4][N:5]=1)=[CH:16]2
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참가 물질

6

반응물 4

HCID 6228DimethylformamideHCID 8471TriethylamineHCID 57475969N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamideHCID 57476142Ethyl 4-aminobutanoate dihydrochloride

생성물 1

HCID 68461812ethyl 4-{[(2-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1,3-thiazol-5-yl)methyl]amino}butanoate

시약·촉매·용매 1

HCID 962Water용매

실험 절차

A mixture of N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide (424 mg), triethylamine (693 μL), ethyl 4-aminobutanoate dihydrochloride (335 mg) and N,N-dimethylformamide (5 ml) was stirred at room temperature for 16 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The obtained residue was subjected to silica gel column chromatography to give ethyl 4-{[(2-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1,3-thiazol-5-yl)methyl]amino}butanoate as a crude product from a fraction eluted with ethyl acetate. A mixture of this product, methanol (2 ml), 1N aqueous sodium hydroxide solution (4 ml) and tetrahydrofuran (4 ml) was stirred at 45° C. for 20 hr. The mixture was neutralized with 1N aqueous hydrochloric acid solution, water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The obtained residue was subjected to silica gel column chromatography to give the title compound (49 mg, yield 10%) as colorless crystals from a fraction eluted with ethyl acetate. MS 473 (M+1).

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

출처 및 근거

ORD 기록
ord-8d3f5c9df76d4a2ab083056388183ddf
출처 데이터셋
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07777047B2

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