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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 1809904
ノート
印刷プレビュー

反応式

HRID 1809904 の反応式
[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
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 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

生成物 1

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

試薬・触媒・溶媒 2

HCID 8857
Ethyl Acetate
溶媒
HCID 21922555Acetic acid methylene chloride溶媒

実験手順

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.

後処理

  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)

出典と根拠

ORDレコード
ord-e72049bf27cf491aaa9b40ee5526e812
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08362003B2

反応ノート

読み込み中…

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