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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 1994760
ノート
印刷プレビュー

反応式

HRID 1994760 の反応式
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
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 1

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

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-27d97b1400c742d4ae52902333494ba9
出典データセット
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07652133B2

反応ノート

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