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Tetrahydrofuran → N-{2-[5-(hydroxymethyl)-1,3,4-thiadiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide

HRID 1994685
ノート
印刷プレビュー

反応式

HRID 1994685 の反応式
[CH3:1][N:2]([S:22]([C:25]1[S:26][CH:27]=[CH:28][CH:29]=1)(=[O:24])=[O:23])[C:3]1[CH:4]=[CH:5][CH:6]=[C:7]2[C:11]=1[NH:10][C:9]([C:12]1[S:16][C:15]([C:17](OCC)=[O:18])=[N:14][N:13]=1)=[CH:8]2.O1CCCC1.[BH4-].[Na+]>CO>[OH:18][CH2:17][C:15]1[S:16][C:12]([C:9]2[NH:10][C:11]3[C:7]([CH:8]=2)=[CH:6][CH:5]=[CH:4][C:3]=3[N:2]([CH3:1])[S:22]([C:25]2[S:26][CH:27]=[CH:28][CH:29]=2)(=[O:24])=[O:23])=[N:13][N:14]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 8028TetrahydrofuranHCID 4311764Sodium borohydrideHCID 136037568Ethyl 5-(7-[methyl(2-thienylsulfonyl)amino]-1h-indol-2-yl)-1,3,4-thiadiazole-2-carboxylate

生成物 1

HCID 136037567N-{2-[5-(hydroxymethyl)-1,3,4-thiadiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide収率 94.3%

試薬・触媒・溶媒 1

HCID 887Methanol
溶媒

実験手順

To a mixture of ethyl 5-{7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-1,3,4-thiadiazole-2-carboxylate (1.38 g), tetrahydrofuran (20 ml) and methanol (4 ml) was added sodium borohydride (0.26 g), and the mixture was stirred at room temperature for 30 min. The reaction mixture was concentrated, and water was added to the residue. The resulting crystals were collected by filtration, washed with water, and dried to give the title compound (1.18 g, yield 94%) as colorless crystals. melting point 259-260° C. (decomposition).

後処理

  1. concentrationThe reaction mixture was concentrated
  2. additionwater was added to the residue
  3. filtrationThe resulting crystals were collected by filtration
  4. washwashed with water
  5. customdried

出典と根拠

ORDレコード
ord-f997fb41aa664563b267c03761a6a6d9
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

読み込み中…

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