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Ozone → Diphenylmethyl alpha-[3-phenoxymethyl-7-oxo-2,6-diaza-4-thiabicyclo[3,2,0]hept-2-en-6-yl]-alpha-(2-chloro-1-hydroxyethylidene)acetate

HRID 325477
ノート
印刷プレビュー

反応式

HRID 325477 の反応式
[O:1]([CH2:8][C:9]1[S:15][CH:14]2[CH:11]([C:12](=[O:37])[N:13]2[CH:16]([C:33](=C)[CH2:34][Cl:35])[C:17]([O:19][CH:20]([C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)[C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)=[O:18])[N:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[O:38]=[O+][O-]>C(Cl)Cl.CO>[O:1]([CH2:8][C:9]1[S:15][CH:14]2[CH:11]([C:12](=[O:37])[N:13]2[C:16](=[C:33]([OH:38])[CH2:34][Cl:35])[C:17]([O:19][CH:20]([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[C:27]2[CH:28]=[CH:29][CH:30]=[CH:31][CH:32]=2)=[O:18])[N:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=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 2

HCID 24823OzoneHCID 20464414Diphenylmethyl alpha-[3-phenoxymethyl-7-oxo-2,6-diaza-4-thiabicyclo[3,2,0]hept-2-en-6-yl]-alpha-(1-chloro-2-propen-2-yl)acetate

生成物 1

HCID 70504488Diphenylmethyl alpha-[3-phenoxymethyl-7-oxo-2,6-diaza-4-thiabicyclo[3,2,0]hept-2-en-6-yl]-alpha-(2-chloro-1-hydroxyethylidene)acetate

試薬・触媒・溶媒 2

HCID 887Methanol溶媒
HCID 6344
Dichloromethane
溶媒

実験手順

To a dry ice acetone cooled solution of diphenylmethyl α[3-phenoxymethyl-7-oxo-2,6-diaza-4-thiabicyclo[3,2,0]hept-2-en-6-yl]-α-(1-chloro-2-propen-2-yl)acetate (160 mg) in a mixture of methylene chloride (3.2 ml) and methanol (0.3 ml) is introduced ozone until the reaction mixture shows blue color. Then excess ozone is purged with oxygen, mixed with an aqueous solution of 95% sodium hydrogen sulfite (100 mg), warmed to room temperature to decompose the ozonide. After 1.5 hours, the solution is washed with 5% sodium hydrogen carbonate and water, dried, and concentrated to remove methylene chloride. The resultant oil (132 mg) is purified over thin-layer chromatographic plate (Merck 60F-254) using a mixture of benzene and ethyl acetate (1:1) as developing solvent to give diphenylmethyl α-[3-phenoxymethyl-7-oxo-2,6-diaza-4-thiabicyclo[3,2,0]-hept-2en-6-yl]-α-(2-chloro-1-hydroxyethylidene)acetate (44 mg) as glass.

後処理

  1. customThen excess ozone is purged with oxygen
  2. additionmixed with an aqueous solution of 95% sodium hydrogen sulfite (100 mg)
  3. washthe solution is washed with 5% sodium hydrogen carbonate and water
  4. customdried
  5. concentrationconcentrated
  6. customto remove methylene chloride
  7. customThe resultant oil (132 mg) is purified over thin-layer chromatographic plate (Merck 60F-254)
  8. additiona mixture of benzene and ethyl acetate (1:1)

出典と根拠

ORDレコード
ord-13b827f286244310b3a21a4f758a6fc5
出典データセット
uspto-grants-1984_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04440683

反応ノート

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