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Methanol → 4-((1R,2R)-1-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropylamino)benzo[b]thiophene-7-carbonitrile

HRID 2388525
ノート
印刷プレビュー

反応式

HRID 2388525 の反応式
[C:1]([C:3]1[C:8]2[S:9][CH:10]=[CH:11][C:7]=2[C:6]([NH:12][C@H:13]([C@H:27]([OH:29])[CH3:28])[C:14]([NH:16][NH:17][C:18](=[O:26])[C:19]2[CH:24]=[CH:23][C:22]([F:25])=[CH:21][CH:20]=2)=O)=[CH:5][CH:4]=1)#[N:2].CCN(P1(N(C)CCCN1C)=NC(C)(C)C)CC.CO>C1COCC1>[F:25][C:22]1[CH:21]=[CH:20][C:19]([C:18]2[O:26][C:14]([C@H:13]([NH:12][C:6]3[C:7]4[CH:11]=[CH:10][S:9][C:8]=4[C:3]([C:1]#[N:2])=[CH:4][CH:5]=3)[C@H:27]([OH:29])[CH3:28])=[N:16][N:17]=2)=[CH:24][CH:23]=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 887MethanolHCID 35138512-((1,1-Dimethylethyl)imino)-N,N-diethylhexahydro-1,3-dimethyl-2lambda5-1,3,2-diazaphosphorin-2-amineHCID 67006522N'-((2R,3R)-2-(7-cyanobenzo[b]thiophen-4-ylamino)-3-hydroxybutanoyl)-4-fluorobenzohydrazide

生成物 1

HCID 441998334-((1R,2R)-1-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropylamino)benzo[b]thiophene-7-carbonitrile収率 43.5%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of N′-((2R,3R)-2-(7-cyanobenzo[b]thiophen-4-ylamino)-3-hydroxybutanoyl)-4-fluorobenzohydrazide (0.41 g, 0.99 mmol) in THF (80 mL) was added PS-BEMP (1.36 g, 2.99 mmol, ˜2.2 mmol/g) and p-TsCl (191 mg, 1.0 mmol) at room temperature. The mixture was stirred at room temperature for 15 h, then methanol (5 mL) was added to quench the reaction. The resin was filtered and washed with MeOH. The combined filtrate was concentrated to give a residue, which was purified by flash chromatography to afford the title compound 4-((1R,2R)-1-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropylamino)benzo[b]thiophene-7-carbonitrile (170 mg, 43%). 1H NMR (400 MHz, Acetone-d6, δ in ppm) 8.03 (dd, J=5.3, 8.8 Hz, 2H), 7.84 (d, J=5.6 Hz, 1H), 7.71 (d, J=5.6 Hz, 1H), 7.64 (d, J=8.2 Hz, 1H), 7.32 (t, J=8.8 Hz, 2H), 6.86 (d, J=8.2 Hz, 1H), 6.69 (d, J=8.8 Hz, 1H), 5.13 (dd, J=6.4, 8.8 Hz, 1H), 4.66 (d, J=6.1 Hz, 1H), 4.57 (m, 1H), 1.48 (d, J=6.2 Hz, 3H).

後処理

  1. customto quench
  2. customthe reaction
  3. filtrationThe resin was filtered
  4. washwashed with MeOH
  5. concentrationThe combined filtrate was concentrated
  6. customto give a residue, which
  7. customwas purified by flash chromatography

出典と根拠

ORDレコード
ord-540f17439ca347e190d6b4b1408ea587
出典データセット
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08268872B2

反応ノート

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