{(Z)-4-[(R)-2-Oxo-6-((E)-3-oxo-4-phenyl-but-1-enyl)-piperidin-1-yl]-but-2-enyloxy}-acetic acid methyl ester → {(Z)-4-[(R)-2-Oxo-6-(3-oxo-4-phenyl-butyl)-piperidin-1-yl]-but-2-enyloxy}-acetic acid methyl ester

HRID 489158ノート

反応式

HRID 489158 の反応式
[CH3:1][O:2][C:3](=[O:28])[CH2:4][O:5][CH2:6]/[CH:7]=[CH:8]\[CH2:9][N:10]1[C@@H:15](/[CH:16]=[CH:17]/[C:18](=[O:26])[CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[CH2:14][CH2:13][CH2:12][C:11]1=[O:27]>CC#N.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cu].[Cu].[Cu].[Cu].[Cu].[Cu]>[CH3:1][O:2][C:3](=[O:28])[CH2:4][O:5][CH2:6]/[CH:7]=[CH:8]\[CH2:9][N:10]1[C@@H:15]([CH2:16][CH2:17][C:18](=[O:26])[CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[CH2:14][CH2:13][CH2:12][C:11]1=[O:27]

参加物

4

反応物 1

HCID 60023029{(Z)-4-[(R)-2-Oxo-6-((E)-3-oxo-4-phenyl-but-1-enyl)-piperidin-1-yl]-but-2-enyloxy}-acetic acid methyl ester

生成物 1

HCID 11749537{(Z)-4-[(R)-2-Oxo-6-(3-oxo-4-phenyl-butyl)-piperidin-1-yl]-but-2-enyloxy}-acetic acid methyl ester収率 79%

試薬・触媒・溶媒 2

HCID 11982471Stryker's reagent触媒HCID 6342Acetonitrile溶媒

実験手順

A solution of {(Z)-4-[(R)-2-oxo-6-((E)-3-oxo-4-phenyl-but-1-enyl)-piperidin-1-yl]-but-2-enyloxy}-acetic acid methyl ester (24.6 mg, 0.064 mmol) in CH3CN (1.5 mL) was added via cannula to hydrido(triphenylphosphine)copper(I) hexamer (125 mg, 0.064 mmol) at −40° C. After 1 h at −40° C., the reaction was allowed to warm to rt. After 3 h at rt, the reaction was quenched by addition of a solution of NH4OH and saturated aqueous NH4Cl (1:1, 6 mL). The mixture was extracted with EtOAc (3×10 mL). The combined organic phase was washed with brine (20 mL), dried (Na2SO4), filtered and concentrated in vacuo. Purification of the residue by flash column chromatography on silica gel (20%→70% EtOAc/CH2Cl2, gradient) afforded 19.6 mg (79%) of the title compound.

後処理

  1. waitAfter 3 h at rt
  2. customthe reaction was quenched by addition of a solution of NH4OH and saturated aqueous NH4Cl (1:1, 6 mL)
  3. extractionThe mixture was extracted with EtOAc (3×10 mL)
  4. washThe combined organic phase was washed with brine (20 mL)
  5. dry with materialdried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customPurification of the residue by flash column chromatography on silica gel (20%→70% EtOAc/CH2Cl2, gradient)

出典と根拠

ORDレコード
ord-9b67ce5a134e41568a881ba54129ba58
出典データセット
uspto-grants-2005_12
特許番号
US06977260B2

反応ノート

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