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

HRID 504851
ノート
印刷プレビュー

反応式

HRID 504851 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](=[S:23])[NH2:22])[NH:6]2.[C:24]([O:29][CH2:30][CH3:31])(=[O:28])[C:25]#[C:26][CH3:27].C(P(CCCC)CCCC)CCC.O1CCCC1>C1(C)C=CC=CC=1>[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:23][CH:26]([CH2:25][C:24]([O:29][CH2:30][CH3:31])=[O:28])[CH2:27][N:22]=1)[NH:6]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 8028TetrahydrofuranHCID 13831TributylphosphineHCID 78043Ethyl 2-butynoateHCID 574760084-methyl-7-[methyl(2-thienylsulfonyl)amino]-1H-indole-2-carbothioamide

生成物 1

HCID 59136158ethyl(2-{4-methyl-7-[methyl(2-thienylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-5-yl)acetate収率 64%

試薬・触媒・溶媒 1

HCID 1140Toluene溶媒

実験手順

A solution of 4-methyl-7-[methyl(2-thienylsulfonyl)amino]-1H-indole-2-carbothioamide (1.62 g), ethyl but-2-ynoate (1.2 mL) and tributylphosphine (1.1 mL) in a mixed solvent of tetrahydrofuran (30 mL)-toluene (20 mL) was stirred at room temperature for 4 hr. The reaction solution was concentrated under reduced pressure, and the obtained residue was subjected to silica gel column chromatography (ethyl acetate:hexane=10:90-35:65). The obtained crystals were crystallized from ethyl acetate-hexane to give the title compound (1.35 g, yield: 64%) as pale-yellow crystals.

後処理

  1. concentrationThe reaction solution was concentrated under reduced pressure
  2. customThe obtained crystals were crystallized from ethyl acetate-hexane

出典と根拠

ORDレコード
ord-092c253022394808b7918b98a64b119a
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

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