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Methanol → N-[2-[5-(2-hydroxyethyl)-4,5-dihydro-1,3-thiazol-2-yl]-5-(trifluoromethoxy)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide

HRID 504903
ノート
印刷プレビュー

反応式

HRID 504903 の反応式
[CH3:1][N:2]([S:28]([C:31]1[S:32][CH:33]=[CH:34][CH:35]=1)(=[O:30])=[O:29])[C:3]1[CH:4]=[C:5]([O:23][C:24]([F:27])([F:26])[F:25])[CH:6]=[C:7]2[C:11]=1[NH:10][C:9]([C:12]1[S:13][CH:14]([CH2:17][C:18](OCC)=[O:19])[CH2:15][N:16]=1)=[CH:8]2.O1CCCC1.CO.[BH4-].[Li+]>O>[OH:19][CH2:18][CH2:17][CH:14]1[S:13][C:12]([C:9]2[NH:10][C:11]3[C:7]([CH:8]=2)=[CH:6][C:5]([O:23][C:24]([F:26])([F:25])[F:27])=[CH:4][C:3]=3[N:2]([CH3:1])[S:28]([C:31]2[S:32][CH:33]=[CH:34][CH:35]=2)(=[O:30])=[O:29])=[N:16][CH2:15]1
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 887MethanolHCID 8028TetrahydrofuranHCID 4148881Lithium borohydride2 回HCID 57476345ethyl {2-[7-[methyl(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetate

生成物 1

HCID 59135731N-[2-[5-(2-hydroxyethyl)-4,5-dihydro-1,3-thiazol-2-yl]-5-(trifluoromethoxy)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide
収率 34%

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

To a mixture of ethyl {2-[7-[methyl(2-thienylsulfonyl)amino]-5-(trifluoromethoxy)-1H-indol-2-yl]-4,5-dihydro-1,3-thiazol-5-yl}acetate (350 mg), tetrahydrofuran (15 mL) and methanol (3 mL) was added lithium borohydride (30 mg), and the mixture was stirred at room temperature for 2 hr. Lithium borohydride (15 mg) was added to the mixture, and the mixture was further stirred at room temperature for 2 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 residue was subjected to silica gel column chromatography, and eluted with hexane-ethyl acetate (2:1-1:4, volume ratio) to give the title compound (110 mg, yield 34%) as colorless crystals. The crystals were recrystallized from ethyl acetate-hexane to give colorless prism crystals. melting point 152-153° C.

後処理

  1. stirringthe mixture was further stirred at room temperature for 2 hr
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe ethyl acetate layer was washed with saturated brine
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated
  6. washeluted with hexane-ethyl acetate (2:1-1:4, volume ratio)

出典と根拠

ORDレコード
ord-143634629bca4ebc9ab87b02ffe2559c
出典データセット
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07777047B2

反応ノート

読み込み中…

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