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Sodium borohydride → 4-(6-Chloro-benzo[b]thiophene-2-sulfonyl)-1-(4-hydroxy-4,5,6,7-tetrahydro-benzothiazol-2-ylmethyl)-piperazin-2-one

HRID 1433074
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HRID 1433074 반응식
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[CH:9]=[C:8]([S:10]([N:13]3[CH2:18][CH2:17][N:16]([CH2:19][C:20]4[S:21][C:22]5[CH2:28][CH2:27][CH2:26][C:25](=[O:29])[C:23]=5[N:24]=4)[C:15](=[O:30])[CH2:14]3)(=[O:12])=[O:11])[S:7][C:6]=2[CH:31]=1.[BH4-].[Na+]>CCO.CCOC(C)=O>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[CH:9]=[C:8]([S:10]([N:13]3[CH2:18][CH2:17][N:16]([CH2:19][C:20]4[S:21][C:22]5[CH2:28][CH2:27][CH2:26][CH:25]([OH:29])[C:23]=5[N:24]=4)[C:15](=[O:30])[CH2:14]3)(=[O:11])=[O:12])[S:7][C:6]=2[CH:31]=1
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참가 물질

5

반응물 2

HCID 4311764Sodium borohydrideHCID 670150242-[4-(6-chloro-benzo[b]thiophene-2-sulfonyl)-2-oxo-piperazin-1-ylmethyl]-6,7-dihydro-5H-benzothiazol-4-one

생성물 1

HCID 670141644-(6-Chloro-benzo[b]thiophene-2-sulfonyl)-1-(4-hydroxy-4,5,6,7-tetrahydro-benzothiazol-2-ylmethyl)-piperazin-2-one

시약·촉매·용매 2

HCID 702Ethanol용매HCID 8857Ethyl Acetate
용매

실험 절차

To the suspension of 2-[4-(6-chloro-benzo[b]thiophene-2-sulfonyl)-2-oxo-piperazin-1-ylmethyl]-6,7-dihydro-5H-benzothiazol-4-one (7 mg, 0.01 mmol) in EtOH (1 mL) is added sodium borohydride (3 mg, 0.08 mmol). After 15 min the reaction is diluted with EtOAc and washed with 1N HCl, NaHCO3 and brine. The solution is dried (MgSO4) and concentrated to provide 4-(6-chloro-benzo[b]thiophene-2-sulfonyl)-1-(4-hydroxy-4,5,6,7-tetrahydro-benzothiazol-2-ylmethyl)-piperazin-2-one. 1H NMR (300 MHz, CDCl3) δ 7.88-7.82 (m, 3H), 7.46 (dd, 1H), 4.83-4.81 (m, 1H), 4.76 (s, 1H), 4.75 (s, 1H), 3.92 (s, 1H), 3.91 (s, 1H), 3.62-3.55 (m, 2H), 3.47-3.41 (m, 2H), 2.76-2.62 (m, 2H), 2.05-1.78 (m, 4H); MS (Ion Spray) 498 (M+H)+.

후처리

  1. washwashed with 1N HCl, NaHCO3 and brine
  2. dry with materialThe solution is dried (MgSO4)
  3. concentrationconcentrated

출처 및 근거

ORD 기록
ord-b5c2e99e0ac540878d4ddc44bd83d7e7
출처 데이터셋
uspto-grants-2009_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07612075B2

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