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Triethylamine → (S)-Hexahydro-3-[[ethoxy(4-phenylbutyl)phosphinyl]amino]-2-oxo-1H-azepine-1-acetic acid, ethyl ester

HRID 484760
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HRID 484760 반응식
[CH2:1]([O:3][P:4](Cl)([CH2:6][CH2:7][CH2:8][CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)=[O:5])[CH3:2].Cl.[NH2:18][CH:19]1[CH2:25][CH2:24][CH2:23][CH2:22][N:21]([CH2:26][C:27]([O:29][CH2:30][CH3:31])=[O:28])[C:20]1=[O:32].C(N(CC)CC)C>O1CCCC1>[CH2:1]([O:3][P:4]([NH:18][C@H:19]1[CH2:25][CH2:24][CH2:23][CH2:22][N:21]([CH2:26][C:27]([O:29][CH2:30][CH3:31])=[O:28])[C:20]1=[O:32])([CH2:6][CH2:7][CH2:8][CH2:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)=[O:5])[CH3:2]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 15591238Ethoxy(4-phenylbutyl)phosphinyl chlorideHCID 1317142923-amino-2-oxo-hexahydro-1H-azepine-1-acetic acid, ethyl ester, monohydrochloride

생성물 1

HCID 86740216(S)-Hexahydro-3-[[ethoxy(4-phenylbutyl)phosphinyl]amino]-2-oxo-1H-azepine-1-acetic acid, ethyl ester

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매
2회

실험 절차

A mixture of ethoxy(4-phenylbutyl)phosphinyl chloride [4.4 mmole; prepared as set forth in Example 1(f)], dry tetrahydrofuran (10 ml.), and 3-amino-2-oxo-hexahydro-1H-azepine-1-acetic acid, ethyl ester, monohydrochloride (1.0 g., 4.0 mmole) at 0° (ice bath) in an argon atmosphere is treated dropwise with triethylamine (1.7 ml., 3.0 eq.) in tetrahydrofuran (5 ml.) over 2 minutes. After 20 minutes, the ice bath is removed and the reaction mixture is stirred for an additional 1.5 hours. The reaction mixture is diluted with ethyl acetate and washed successively with saturated sodium bicarbonate, 5% potassium bisulfate, and brine, dried (MgSO4) and evaporated. The residue (2.1 g.) is chromatographed on silica (65 g.) eluting with ethyl acetate then acetone to give 1.0 g. of (S)-hexahydro-3-[[ethoxy(4-phenylbutyl)phosphinyl]amino]-2-oxo-1H-azepine-1-acetic acid, ethyl ester as an oil after evaporation. TLC (ethyl acetate) single spot at Rf =0.1.

후처리

  1. customprepared
  2. customat 0°
  3. customthe ice bath is removed
  4. additionThe reaction mixture is diluted with ethyl acetate
  5. washwashed successively with saturated sodium bicarbonate, 5% potassium bisulfate, and brine
  6. dry with materialdried (MgSO4)
  7. customevaporated
  8. customThe residue (2.1 g.) is chromatographed on silica (65 g.)
  9. washeluting with ethyl acetate
  10. customacetone to give 1.0 g
  11. customof (S)-hexahydro-3-[[ethoxy(4-phenylbutyl)phosphinyl]amino]-2-oxo-1H-azepine-1-acetic acid, ethyl ester as an oil after evaporation

출처 및 근거

ORD 기록
ord-14580fba7e4d474ba4b918e496e78478
출처 데이터셋
uspto-grants-1985_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04533661

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