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Hydrochloric Acid → p-Nitrobenzyl alpha-[4-mercapto-3-phenoxyacetamido-2-oxoazetidin-1-yl]-alpha-(2-bromo-1-hydroxyethylidene)acetate

HRID 971520
ノート
印刷プレビュー

反応式

HRID 971520 の反応式
C1(COC([S:8][CH:9]2[N:12]([C:13](=[C:27]([OH:30])[CH2:28][Br:29])[C:14]([O:16][CH2:17][C:18]3[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=3)=[O:15])[C:11](=[O:31])[CH:10]2[NH:32][C:33](=[O:42])[CH2:34][O:35][C:36]2[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=2)=O)CC1.[Cl-].[Al+3].[Cl-].[Cl-].Cl>CO>[SH:8][CH:9]1[N:12]([C:13](=[C:27]([OH:30])[CH2:28][Br:29])[C:14]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][C:21]([N+:24]([O-:26])=[O:25])=[CH:20][CH:19]=2)=[O:15])[C:11](=[O:31])[CH:10]1[NH:32][C:33](=[O:42])[CH2:34][O:35][C:36]1[CH:37]=[CH:38][CH:39]=[CH:40][CH:41]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 6451240Aluminum(III) ChlorideHCID 86735549p-Nitrobenzyl alpha-[4-cyclopropylmethoxycarbonylthio-3-phenoxyacetamido-2-oxoazetidin-1-yl]-alpha-(2-bromo-1-hydroxyethylidene)acetate

生成物 1

HCID 86735550p-Nitrobenzyl alpha-[4-mercapto-3-phenoxyacetamido-2-oxoazetidin-1-yl]-alpha-(2-bromo-1-hydroxyethylidene)acetate収率 94.6%

試薬・触媒・溶媒 1

HCID 887
Methanol
溶媒

実験手順

To a solution of p-nitrobenzyl α-[4-cyclopropylmethoxycarbonylthio-3-phenoxyacetamido-2-oxoazetidin-1-yl]-α-(2-bromo-1-hydroxyethylidene)acetate (281 mg) in methanol free methylene chloride (2.1 ml) is added aluminum chloride (220 mg) under ice cooling, and the mixture is stirred under argon atmosphere. After 35 minutes, the reaction mixture is poured into ice water containing 4N-hydrochloric acid (4 ml). stirred for 10 minutes, and is extracted with chloroform. The extract solution is washed with water, dried and evaporated to give p-nitrobenzyl α-[4-mercapto-3-phenoxyacetamido-2-oxoazetidin-1-yl]-α-(2-bromo-1-hydroxyethylidene)acetate (150 mg). Yellow foam. Yield: 94.6%. IR: vmaxCDCl3 3400, 1780, 1692, 1610, 1603 cm-1. NMR: δCDCl3 2.25d(10Hz)1H, 4.25d(2Hz), 4.58s2H, 5.20-5.37m4H, 6.84-8.24m9H, 12.1s1H.

後処理

  1. stirringstirred for 10 minutes
  2. extractionis extracted with chloroform
  3. washThe extract solution is washed with water
  4. customdried
  5. customevaporated

出典と根拠

ORDレコード
ord-d5e467ff047f4bc996c15897d9201ddd
出典データセット
uspto-grants-1979_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04160085

反応ノート

読み込み中…

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