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Citric Acid → N-{2-[5-(2-hydroxyethyl)-4,5-dihydro-1,3-thiazol-2-yl]-4-methyl-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide

HRID 504852
ノート
印刷プレビュー

反応式

HRID 504852 の反応式
[CH3:1][C:2]1[CH:10]=[CH:9][C:8]([N:11]([CH3:20])[S:12]([C:15]2[S:16][CH:17]=[CH:18][CH:19]=2)(=[O:14])=[O:13])=[C:7]2[C:3]=1[CH:4]=[C:5]([C:21]1[S:22][CH:23]([CH2:26][C:27](OCC)=[O:28])[CH2:24][N:25]=1)[NH:6]2.[BH4-].[Li+].O1CCCC1.C(O)(=O)CC(CC(O)=O)(C(O)=O)O>CO>[OH:28][CH2:27][CH2:26][CH:23]1[S:22][C:21]([C:5]2[NH:6][C:7]3[C:3]([CH:4]=2)=[C:2]([CH3:1])[CH:10]=[CH:9][C:8]=3[N:11]([CH3:20])[S:12]([C:15]2[S:16][CH:17]=[CH:18][CH:19]=2)(=[O:14])=[O:13])=[N:25][CH2:24]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 311Citric AcidHCID 8028TetrahydrofuranHCID 4148881Lithium borohydrideHCID 59136158ethyl(2-{4-methyl-7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-5-yl)acetate

生成物 1

HCID 59136065N-{2-[5-(2-hydroxyethyl)-4,5-dihydro-1,3-thiazol-2-yl]-4-methyl-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide収率 94.1%

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

実験手順

To a mixture of ethyl (2-{4-methyl-7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-5-yl)acetate (0.12 g), lithium borohydride (20 mg) and tetrahydrofuran (10 mL) was added methanol (2 mL), and the mixture was stirred at room temperature for 3 hr. Aqueous citric acid solution was added to the reaction solution, and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The obtained crystals were washed with ethyl acetate-hexane to give the title compound (103 mg, yield: 94%) as pale-yellow crystals. MS: 436 (MH+). melting point 168-169° C.

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated under reduced pressure
  5. washThe obtained crystals were washed with ethyl acetate-hexane

出典と根拠

ORDレコード
ord-d4ac633e48044dffb0670e71ccc220fd
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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