Phenol → Bisphenol S

HRID 458253

반응식

HRID 458253 반응식
[C:1]1([OH:7])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.S(=O)(=O)(O)O.[CH:13]1[C:18]([OH:19])=[CH:17][CH:16]=[C:15]([S:20]([OH:23])(=[O:22])=[O:21])[CH:14]=1>>[CH:6]1[C:1]([OH:7])=[CH:2][CH:3]=[C:4]([S:20]([C:15]2[CH:16]=[CH:17][C:18]([OH:19])=[CH:13][CH:14]=2)(=[O:22])=[O:21])[CH:5]=1.[CH:5]1[CH:6]=[C:1]([OH:7])[C:2]([S:20]([C:15]2[CH:14]=[CH:13][C:18]([OH:19])=[CH:17][CH:16]=2)(=[O:22])=[O:23])=[CH:3][CH:4]=1

참가 물질

5

반응물 3

HCID 996PhenolHCID 1118Sulfuric AcidHCID 47654-Hydroxybenzenesulfonic acid

생성물 2

HCID 6626Bisphenol SHCID 793812,4'-Dihydroxydiphenyl sulfone

실험 절차

A reaction mixture comprising 4,4′-dihydroxydiphenylsulfone and 2,4′-dihydroxydiphenylsulfone can be obtained by mixing phenol and sulfuric acid and/or phenolsulfonic acid, followed by heating the resultant mixture and removing formed water by distillation as an azeotrope. It is preferable that the reaction is conducted under a reduced pressure. It is preferable that, where necessary, phenol is added during the reaction to supplement phenol removed to the outside of the system by the azeotropic distillation with water. In general, 4,4′-dihydroxydiphenylsulfone is formed in a greater amount than 2,4′-dihydroxydiphenylsulfone.

후처리

  1. customremoving
  2. customformed water
  3. distillationby distillation as an azeotrope
  4. additionphenol is added during the reaction
  5. customremoved to the outside of the system by the azeotropic distillation with water

출처 및 근거

ORD 기록
ord-cb8b6890e83d4e5f903f0a279f53fa7c
출처 데이터셋
uspto-grants-2007_03
특허 번호
US07189880B2

연결된 노트

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