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Hydrochloric Acid → (3S,4R)-3-[(R)-1-hydroxyethyl]-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxopropyl]azetidin-2-one

HRID 64814
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HRID 64814 반응식
[Si]([N:8]1[C@H:11]([CH2:12][C:13](=[O:28])[CH2:14][C:15]([O:17][CH2:18][C:19]2[CH:24]=[CH:23][C:22]([N+:25]([O-:27])=[O:26])=[CH:21][CH:20]=2)=[O:16])[C@@H:10]([C@H:29]([OH:31])[CH3:30])[C:9]1=[O:32])(C(C)(C)C)(C)C.Cl>CO.O.C(OCC)(=O)C>[OH:31][C@@H:29]([C@@H:10]1[C@@H:11]([CH2:12][C:13](=[O:28])[CH2:14][C:15]([O:17][CH2:18][C:19]2[CH:20]=[CH:21][C:22]([N+:25]([O-:27])=[O:26])=[CH:23][CH:24]=2)=[O:16])[NH:8][C:9]1=[O:32])[CH3:30]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 313Hydrochloric AcidHCID 12882116(3S, 4R)-1-(t-butyldimethylsilyl)-3-[(R)-1-hydroxyethyl]-4-(3-p-nitrobenzyloxycarbonyl-2-oxopropyl)-azetidin-2-one

생성물 1

HCID 13018177(3S,4R)-3-[(R)-1-hydroxyethyl]-4-[3-(4-nitrobenzyl)oxycarbonyl-2-oxopropyl]azetidin-2-one

시약·촉매·용매 2

HCID 8857Ethyl Acetate용매HCID 22242641Methanol--water (1/1)
용매

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온도
0 °C

실험 절차

A solution of (3S,4R)-1-(t-butyldimethylsilyl)-3-[(R)-1-hydroxyethyl]-4-(3-p-nitrobenzyloxycarbonyl-2-oxopropyl)-azetidin-2-one (1.0 mmol) in 20 ml of 9:1 (v/v) methanol-water is cooled to 0° C. Concentrated hydrochloric acid (0.34 ml) is added and the resulting solution is stirred at 0° C. for 15 min., then allowed to warm to room temperature. After 2.5 hrs, at room temperature the reaction mixture is diluted with ethyl acetate (25 ml), washed with water (10 ml) and brine, dried over magnesium sulfate and concentrated in vacuo to yield (3S,4R)-3-[(R)-1-hydroxyethyl]-4-(3-p-nitrobenzyloxycarbonyl-2-oxopropyl)-azetidin-2-one.

후처리

  1. temperatureto warm to room temperature
  2. waitAfter 2.5 hrs
  3. washwashed with water (10 ml) and brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-0739385f0888448581486c2e51466211
출처 데이터셋
uspto-grants-1986_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04610820

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