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Tetrahydrofuran → tert-Butyl (1S,2S)-1-amino-2-ethylcyclopropane-1-carboxylate

HRID 500336
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HRID 500336 반응식
[C:1]([O:5][C:6]([C@:8]1([NH:13]C(OCC[Si](C)(C)C)=O)[CH2:10][C@@H:9]1[CH2:11][CH3:12])=[O:7])([CH3:4])([CH3:3])[CH3:2].CCCC[N+](CCCC)(CCCC)CCCC.[F-].C1COCC1>C(OCC)(=O)C>[C:1]([O:5][C:6]([C@:8]1([NH2:13])[CH2:10][C@@H:9]1[CH2:11][CH3:12])=[O:7])([CH3:4])([CH3:3])[CH3:2]
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참가 물질

5

반응물 3

HCID 8028TetrahydrofuranHCID 2724141Tetrabutylammonium FluorideHCID 86601847(1S,2S) 2-Ethyl-1-(2trimethylsilanylethoxycarbonylamino)cyclopropane-carboxylic acid tert-butyl ester

생성물 1

HCID 86620254tert-Butyl (1S,2S)-1-amino-2-ethylcyclopropane-1-carboxylate

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

실험 절차

To the product of Step 3 (3 g, 9 mmol) was added a 1.0M TBAF solution in THF (9.3 mL, 9.3 mmol). The mixture was heated to reflux for 1.5 hours, cooled to room temperature, and diluted with 500 mL of ethyl acetate. The solution was successively washed with water (2×100 mL) and brine (2×100 mL), dried (MgSO4), filtered, and concentrated in vacuo to provide the desired product.

후처리

  1. temperatureThe mixture was heated
  2. temperatureto reflux for 1.5 hours
  3. washThe solution was successively washed with water (2×100 mL) and brine (2×100 mL)
  4. dry with materialdried (MgSO4)
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-b1f5d14761324a30ac8a940d3aef1dfc
출처 데이터셋
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07772180B2

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