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RO91178B1 - Process for obtaining phenolphthalene - Google Patents

Process for obtaining phenolphthalene

Info

Publication number
RO91178B1
RO91178B1 RO117540A RO11754085A RO91178B1 RO 91178 B1 RO91178 B1 RO 91178B1 RO 117540 A RO117540 A RO 117540A RO 11754085 A RO11754085 A RO 11754085A RO 91178 B1 RO91178 B1 RO 91178B1
Authority
RO
Romania
Prior art keywords
obtaining
phenolphthalene
phenolphthalein
condensation reaction
relates
Prior art date
Application number
RO117540A
Other languages
Romanian (ro)
Other versions
RO91178A2 (en
Inventor
Steliana Bibian-Cilianu
Stefan Bibian-Cilianu
Corina Ilie
Nicolae Visan
Mihaela Stefan
Original Assignee
Institutul De Cercetari Chimico-Farmaceutice
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institutul De Cercetari Chimico-Farmaceutice filed Critical Institutul De Cercetari Chimico-Farmaceutice
Priority to RO117540A priority Critical patent/RO91178B1/en
Publication of RO91178A2 publication Critical patent/RO91178A2/en
Publication of RO91178B1 publication Critical patent/RO91178B1/en

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  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Prezenta inventie se refera la un procedeu de obtinere a fenolftaleinei prin reactia de condensare a fenolului cu anhidrida ftalica în prezenta acidului fenolsulfonic.The present invention relates to a process for obtaining phenolphthalein by the phenol condensation reaction with phthalic anhydride in the presence of phenolsulfonic acid.

RO117540A 1985-02-05 1985-02-05 Process for obtaining phenolphthalene RO91178B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO117540A RO91178B1 (en) 1985-02-05 1985-02-05 Process for obtaining phenolphthalene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO117540A RO91178B1 (en) 1985-02-05 1985-02-05 Process for obtaining phenolphthalene

Publications (2)

Publication Number Publication Date
RO91178A2 RO91178A2 (en) 1987-03-30
RO91178B1 true RO91178B1 (en) 1987-03-31

Family

ID=20116493

Family Applications (1)

Application Number Title Priority Date Filing Date
RO117540A RO91178B1 (en) 1985-02-05 1985-02-05 Process for obtaining phenolphthalene

Country Status (1)

Country Link
RO (1) RO91178B1 (en)

Also Published As

Publication number Publication date
RO91178A2 (en) 1987-03-30

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