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

HRID 349366
ノート
印刷プレビュー

反応式

HRID 349366 の反応式
[CH3:1][O:2][C:3](=[O:28])[CH2:4][O:5][CH2:6][C:7]#[C: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]>C1(C)C=CC=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.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][C:7]#[C: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]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 1

HCID 69020236{4-[(R)-2-Oxo-6-((E)-3-oxo-4-phenyl-but-1-enyl)-piperidin-1-yl]-but-2-ynyloxy}-acetic acid methyl ester

生成物 1

HCID 69022436{4-[(R)-2-Oxo-6-(3-oxo-4-phenyl-butyl)-piperidin-1-yl]-but-2-ynyloxy}-acetic acid methyl ester収率 78%

試薬・触媒・溶媒 2

HCID 11982471Stryker's reagent触媒HCID 1140Toluene溶媒

実験手順

A solution of {4-[(R)-2-Oxo-6-((E)-3-oxo-4-phenyl-but-1-enyl)-piperidin-1-yl]-but-2-ynyloxy}-acetic acid methyl ester (30 mg, 0.078 mmol) in toluene (2 mL) was added via cannula to a round-bottomed flask containing hydrido(triphenylphosphine)copper(I) hexamer (154 mg, 0.078 mmol) at −40° C. under nitrogen. The reaction was allowed to warm to rt and stirred for 2.5 h. The reaction was quenched with NH4OH/NH4Cl (1:1, 8 mL) and extracted with EtOAc (3×10 mL). The combined extracts were dried washed with brine (10 mL) then dried (Na2SO4), filtered and concentrated in vacuo. Purification of the residue by flash column chromatography on silica gel (20% →40% EtOAc/CH2Cl2, gradient) afforded 23.4 mg (78%) of the title compound.

後処理

  1. customThe reaction was quenched with NH4OH/NH4Cl (1:1, 8 mL)
  2. extractionextracted with EtOAc (3×10 mL)
  3. customThe combined extracts were dried
  4. washwashed with brine (10 mL)
  5. dry with materialthen dried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customPurification of the residue by flash column chromatography on silica gel (20% →40% EtOAc/CH2Cl2, gradient)

出典と根拠

ORDレコード
ord-c58a072696324aba886bcaabc1a7a8c4
出典データセット
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07179820B2

反応ノート

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