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

HRID 1254766
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HRID 1254766 반응식
[C:1]([C:3]1[CH:30]=[CH:29][C:6]([C:7]([NH:9][NH:10][C:11](=O)[C@H:12]([NH:16][C:17]2[C:25]3[CH:24]=[CH:23][S:22][C:21]=3[C:20]([C:26]#[N:27])=[CH:19][CH:18]=2)[C@H:13]([OH:15])[CH3:14])=[O:8])=[CH:5][CH:4]=1)#[N:2].CCN(P1(N(C)CCCN1C)=NC(C)(C)C)CC.CO>C1COCC1>[C:1]([C:3]1[CH:4]=[CH:5][C:6]([C:7]2[O:8][C:11]([C@H:12]([NH:16][C:17]3[C:25]4[CH:24]=[CH:23][S:22][C:21]=4[C:20]([C:26]#[N:27])=[CH:19][CH:18]=3)[C@H:13]([OH:15])[CH3:14])=[N:10][N:9]=2)=[CH:29][CH:30]=1)#[N:2]
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참가 물질

5

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HCID 887MethanolHCID 35138512-((1,1-Dimethylethyl)imino)-N,N-diethylhexahydro-1,3-dimethyl-2lambda5-1,3,2-diazaphosphorin-2-amineHCID 670070804-cyano-N'-((2R,3R)-2-(7-cyanobenzo[b]thiophen-4-ylamino)-3-hydroxybutanoyl)benzohydrazide

생성물 1

HCID 441998304-((1R,2R)-1-(5-(4-cyanophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropylamino)benzo[b]thiophene-7-carbonitrile수율 44.2%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of 4-cyano-N′-((2R,3R)-2-(7-cyanobenzo[b]thiophen-4-ylamino)-3-hydroxybutanoyl)benzohydrazide (0.95 g, 2.26 mmol) in THF (150 mL) was added PS-BEMP (3.1 g, 6.82 mmol, ˜2.2 mmol/g) and p-TsCl (470 mg, 2.46 mmol) at room temperature. The mixture was stirred at room temperature for 2 h, then methanol (5 mL) was added to quench the reaction. The resin was filtered and washed with MeOH (400 mL). 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-cyanophenyl)-1,3,4-oxadiazol-2-yl)-2-hydroxypropylamino)benzo[b]thiophene-7-carbonitrile (401 mg, 44%). 1H NMR (400 MHz, Acetone-d6, δ in ppm) 8.14 (d, J=8.4 Hz, 2H), 7.92 (d, J=8.4 Hz, 2H), 7.83 (d, J=5.6 Hz, 1H), 7.68 (d, J=5.6 Hz, 1H), 7.61 (d, J=8.4 Hz, 1H), 6.85 (d, J=8.4 Hz, 1H), 6.72 (d, J=8.8 Hz, 1H), 5.18 (dd, J=6.5, 8.8 Hz, 1H), 4.72 (b, 1H), 4.61 (m, 1H), 1.50 (d, J=6.2 Hz, 3H).

후처리

  1. customto quench
  2. customthe reaction
  3. filtrationThe resin was filtered
  4. washwashed with MeOH (400 mL)
  5. concentrationThe combined filtrate was concentrated
  6. customto give a residue, which
  7. customwas purified by flash chromatography

출처 및 근거

ORD 기록
ord-37dbe93218fc4f57b7cc2fd2668c04be
출처 데이터셋
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08455525B2

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