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Hydrochloric Acid → (5R,6S)-3-(1-formimidoylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

HRID 1029689
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HRID 1029689 반응식
[OH:1][C@@H:2]([C@H:4]1[C:10](=[O:11])[N:9]2[C@@H:5]1[CH2:6][C:7]([CH:15]1[CH2:19][CH2:18][NH:17][CH2:16]1)=[C:8]2[C:12]([OH:14])=[O:13])[CH3:3].Cl.[CH:21](=[NH:30])OCC1C=CC=CC=1.[OH-].[Na+].Cl>>[CH:21]([N:17]1[CH2:18][CH2:19][CH:15]([C:7]2[CH2:6][C@H:5]3[N:9]([C:10](=[O:11])[C@@H:4]3[C@H:2]([OH:1])[CH3:3])[C:8]=2[C:12]([OH:14])=[O:13])[CH2:16]1)=[NH:30]
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참가 물질

5

반응물 4

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 13116802Benzyl formimidate hydrochlorideHCID 15117376(5R,6S)-6-[(1R)-1-hydroxyethyl]-7-oxo-3-(pyrrolidin-3-yl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

생성물 1

HCID 15117383(5R,6S)-3-(1-formimidoylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid수율 43.6%

실험 절차

To a solution of (5R,6S)-6-[(1R)-1-hydroxyethyl]-7-oxo-3-(pyrrolidin-3-yl)-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid (250 mg) was added benzyl formimidate hydrochloride (0.48 g) at 0° C. while adjusting pH to 8.5 with 30% aqueous sodium hydroxide solution. After 30 minutes at the same temperature, the solution was adjusted to pH 6.5 with 1N hydrochloric acid, washed with ethyl acetate and concentrated in vacuo. The residue was chromatographed on nonionic adsorption resin "Diaion HP-20" (Trademark, made by Mitsubishi Chemical Industries) eluting with 3% aqueous isopropyl alcohol. The fractions containing the desired compound were collected and lyophilized to give (5R,6S)-3-(1-formimidoylpyrrolidin-3-yl)-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid (120 mg).

후처리

  1. washwashed with ethyl acetate
  2. concentrationconcentrated in vacuo
  3. customThe residue was chromatographed on nonionic adsorption resin "Diaion
  4. wash" (Trademark, made by Mitsubishi Chemical Industries) eluting with 3% aqueous isopropyl alcohol
  5. additionThe fractions containing the desired compound
  6. customwere collected

출처 및 근거

ORD 기록
ord-2c2bccfc18444db28ad06482d2c19460
출처 데이터셋
uspto-grants-1992_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05102877

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