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JPS6463548A Expired / Lapsed JP ⏱️ 0.0 years remaining

3,3-bis(4-hydroxyphenyl)-cyclohexanecarboxylic acid derivative and production thereof

Assignee: Mitsui Toatsu Chemicals Inc
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Filing: 1987-09-03
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Granted: —
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Expires: 2007-09-03
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Abstract

Abstract NEW MATERIAL:The compound of formula I (R is H or lower alkyl; R1 and R2 are lower alkyl; m and n are 0-4). USE:Useful as a precursor for 4'-hydroxybiphenyl-3-carboxylic acids or 3-(4- hydroxyphenyl)-cyclohexanecarboxylic acids useful as monomers for polyesters, etc. PREPARATION:The compound of formula I can be produced by reacting cyclohexanone-3-carboxylic acids of formula II with phenols of formula III in the presence of an acid catalyst (e.g. hydrogen chloride gas) at 30-100 deg.C.

Inventors

  • 👤 Toru Miura
  • 👤 Masayuki Furuya
  • 👤 Teruyuki Nagata

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-29 17:07
CPC Classifications
Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52

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