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4-nitrobenzyl 2-diazo-4-[(2R,3R)-3-{1-methyl-1-(4-nitrobenzyloxycarbonyloxy)ethyl}-4-oxoazetidin-2-yl]-3-oxobutanoate → 4-nitrobenzyl (2R,5R,6R)-3,7-dioxo-6-[1-methyl-1-(4-nitrobenzyloxycarbonyloxy)ethyl]-1-azabicyclo[3.2.0]heptane-2-carboxylate

HRID 235744
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HRID 235744 반응식
[N+](=[C:3]([C:17](=[O:41])[CH2:18][C@@H:19]1[C@H:22]([C:23]([CH3:39])([O:25][C:26]([O:28][CH2:29][C:30]2[CH:35]=[CH:34][C:33]([N+:36]([O-:38])=[O:37])=[CH:32][CH:31]=2)=[O:27])[CH3:24])[C:21](=[O:40])[NH:20]1)[C:4]([O:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([N+:14]([O-:16])=[O:15])=[CH:10][CH:9]=1)=[O:5])=[N-]>C1C=CC=CC=1.C([O-])(=O)C.[Rh+2].C([O-])(=O)C>[O:41]=[C:17]1[CH2:18][C@H:19]2[N:20]([C:21](=[O:40])[C@H:22]2[C:23]([CH3:39])([O:25][C:26]([O:28][CH2:29][C:30]2[CH:31]=[CH:32][C:33]([N+:36]([O-:38])=[O:37])=[CH:34][CH:35]=2)=[O:27])[CH3:24])[C@H:3]1[C:4]([O:6][CH2:7][C:8]1[CH:9]=[CH:10][C:11]([N+:14]([O-:16])=[O:15])=[CH:12][CH:13]=1)=[O:5]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 1

HCID 543930734-nitrobenzyl 2-diazo-4-[(2R,3R)-3-{1-methyl-1-(4-nitrobenzyloxycarbonyloxy)ethyl}-4-oxoazetidin-2-yl]-3-oxobutanoate

생성물 1

HCID 185992114-nitrobenzyl (2R,5R,6R)-3,7-dioxo-6-[1-methyl-1-(4-nitrobenzyloxycarbonyloxy)ethyl]-1-azabicyclo[3.2.0]heptane-2-carboxylate수율 98.9%

시약·촉매·용매 2

HCID 21674Acetic acid, rhodium(2+) salt촉매HCID 241Benzene
용매

실험 절차

A mixture of 4-nitrobenzyl 2-diazo-4-[(2R,3R)-3-{1-methyl-1-(4-nitrobenzyloxycarbonyloxy)ethyl}-4-oxoazetidin-2-yl]-3-oxobutanoate (1.00 g) and rhodium (II) acetate (5 mg) in benzene (50 ml) was refluxed for 25 minutes. After cooling to ambient temperature, the mixture was filtered through cellulose powder. The filtrate was evaporated to give 4-nitrobenzyl (2R, 5R, 6R)-3,7-dioxo-6-[1-methyl-1-(4-nitrobenzyloxycarbonyloxy)ethyl]-1-azabicyclo[3.2.0]heptane-2-carboxylate (0.94 g) as an amorphous solid.

후처리

  1. temperaturewas refluxed for 25 minutes
  2. filtrationthe mixture was filtered through cellulose powder
  3. customThe filtrate was evaporated

출처 및 근거

ORD 기록
ord-20b20df99f884caab790e3739c40b356
출처 데이터셋
uspto-grants-1987_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04640915

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