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Water → HCID 67796403、化合物

HRID 1033462
ノート
印刷プレビュー

反応式

HRID 1033462 の反応式
O[C:2]([C@H:5]1[N:8]([CH:9]([CH2:19][C:20]2[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[CH:22][CH:21]=2)[CH2:10][C:11]2[CH:16]=[CH:15][C:14]([O:17][CH3:18])=[CH:13][CH:12]=2)[C:7](=[O:28])[C@@H:6]1[C@H:29]([O:31][C:32]([O:34][CH2:35][C:36]1[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=1)=[O:33])[CH3:30])([CH3:4])[CH3:3].S(Cl)(Cl)=O.N1C=CC=CC=1.O>C1(C)C=CC=CC=1>[CH3:4][C:2]([C@H:5]1[N:8]([CH:9]([CH2:10][C:11]2[CH:16]=[CH:15][C:14]([O:17][CH3:18])=[CH:13][CH:12]=2)[CH2:19][C:20]2[CH:21]=[CH:22][C:23]([O:26][CH3:27])=[CH:24][CH:25]=2)[C:7](=[O:28])[C@@H:6]1[C@H:29]([O:31][C:32]([O:34][CH2:35][C:36]1[CH:37]=[CH:38][CH:39]=[CH:40][CH:41]=1)=[O:33])[CH3:30])=[CH2:3]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 1049PyridineHCID 24386Thionyl ChlorideHCID 67796529(3S,4S)-4-(1-hydroxy-1-methylethyl)-3-(1-(R)-benzyloxycarbonyloxyethyl)-1-di(p-anisyl)methyl-2azetidinone

生成物 1

HCID 67796403HCID 67796403、化合物

試薬・触媒・溶媒 1

HCID 1140
Toluene
溶媒

実験手順

A solution of (3S,4S)-4-(1-hydroxy-1-methylethyl)-3-(1-(R)-benzyloxycarbonyloxyethyl)-1-di(p-anisyl)methyl-2-azetidinone (30 g) in dry toluene (350 ml) was treated with thionyl chloride (9.0 g) at 20°-30° C. for 5 hours in the presence of pyridine (10 ml). Water (100 ml) was added to quench the reaction at 10°-25° C. The organic layer was separated, washed with water and dried over anhydrous sodium sulfate. After filtration, the filtrate was concentrated in vacuo to give an oily residue, which was crystallized from a mixture of cyclohexane and ethyl acetate yield (3S,4S)-4-(1-methylethenyl)-3-(1-(R)-benzyloxycarbonyloxyethyl)-1-di(p-anisyl)methyl-2-azetidinone. m.p., 117°-118° C.

後処理

  1. customto quench
  2. customthe reaction at 10°-25° C
  3. customThe organic layer was separated
  4. washwashed with water
  5. dry with materialdried over anhydrous sodium sulfate
  6. filtrationAfter filtration
  7. concentrationthe filtrate was concentrated in vacuo
  8. customto give an oily residue, which
  9. customwas crystallized from a mixture of cyclohexane and ethyl acetate

出典と根拠

ORDレコード
ord-caea5ae1736847ecbd27e5ac3a07e291
出典データセット
uspto-grants-1994_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05310897

反応ノート

読み込み中…

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