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Sodium triacetoxyborohydride → N-[2-({(3R)-1-[4-Hydroxy-4-(1,3-thiazol-2-yl)cyclohexyl]pyrrolidin-3-yl}amino)-2-oxoethyl]-3-(trifluoromethyl)benzamide

HRID 1016032
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HRID 1016032 반응식
[OH:1][C:2]1([C:9]2[S:10][CH:11]=[CH:12][N:13]=2)[CH2:7][CH2:6][C:5](=O)[CH2:4][CH2:3]1.[O:14]=[C:15]([NH:30][CH2:31][C:32](=O)[NH:33][C@@H:34]1[CH2:38]CNC1)[CH2:16][NH:17][C:18](=[O:29])[C:19]1[CH:24]=[CH:23][CH:22]=[C:21]([C:25]([F:28])([F:27])[F:26])[CH:20]=1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>CC(O)=O.C(Cl)Cl.CCOC(C)=O>[OH:1][C:2]1([C:9]2[S:10][CH:11]=[CH:12][N:13]=2)[CH2:7][CH2:6][CH:5]([N:33]2[CH2:34][CH2:38][C@@H:31]([NH:30][C:15](=[O:14])[CH2:16][NH:17][C:18](=[O:29])[C:19]3[CH:24]=[CH:23][CH:22]=[C:21]([C:25]([F:28])([F:27])[F:26])[CH:20]=3)[CH2:32]2)[CH2:4][CH2:3]1
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참가 물질

6

반응물 3

HCID 5049666Sodium triacetoxyborohydrideHCID 590174374-Hydroxy-4-thiazol-2-yl-cyclohexanoneHCID 66787189N-[2-oxo-2-({2-oxo-2-[(3R)-pyrrolidin-3-ylamino]ethyl}amino)ethyl]-3-(trifluoromethyl)benzamide

생성물 1

HCID 58751593N-[2-({(3R)-1-[4-Hydroxy-4-(1,3-thiazol-2-yl)cyclohexyl]pyrrolidin-3-yl}amino)-2-oxoethyl]-3-(trifluoromethyl)benzamide수율 90%

시약·촉매·용매 2

HCID 8857
Ethyl Acetate
용매
HCID 21922555Acetic acid methylene chloride용매

실험 절차

To a mixture of 4-hydroxy-4-(1,3-thiazol-2-yl)cyclohexanone (0.075 g, 0.38 mmol) and N-[2-oxo-2-({2-oxo-2-[(3R)-pyrrolidin-3-ylamino]ethyl}amino)ethyl]-3-(trifluoromethyl)benzamide (0.10 g, 0.317 mmol) in 2% AcOH/CH2Cl2 (10 mL) was added NaB(OAc)3H (0.134 g, 0.634 mmol). After being stirred overnight at room temperature under N2, the reaction mixture was diluted with EtOAc and washed with saturated Na2CO3. The aqueous was extracted with EtOAc (3×). The combined organic layers were dried (MgSO4), concentrated and flash chromatographed [EtOAc to MeOH/EtOAc (1:9) then to 5% MeOH/EtOAc/Et3N (1:9:0.5)] to give 0.141 g of the title compound in 90% yield. MS (EI) calcd: (M+H)+=497.2; found: 497.3.

후처리

  1. washwashed with saturated Na2CO3
  2. extractionThe aqueous was extracted with EtOAc (3×)
  3. dry with materialThe combined organic layers were dried (MgSO4)
  4. concentrationconcentrated
  5. customflash chromatographed [EtOAc to MeOH/EtOAc (1:9)

출처 및 근거

ORD 기록
ord-f62c973f75fc4c86928e57d575108f47
출처 데이터셋
uspto-grants-2011_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07985730B2

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