C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/615.7
C07C 39/17 (2006.01) C07C 37/11 (2006.01)
Patent
CA 1247135
Title of the Invention PROCESS FOR PRODUCING 6,6'-DIHYDROXY-3,3,3',3'- TETRAMETHYL-1,1'-SPIROBIINDANE Abstract of the Disclosure A novel process for producing 6,6'-dihydroxy- 3,3,3',3'-tetramethyl-1,1'-spirobiindane of the formula (1) Image (1) which comprises heat-treating 2,2-bis(4-hydroxyphenyl)- propane in the presence of a superacid-type resin or a perfluoroalkanesulfonic acid.
512623
Sugimoto Kenichi
Tanabe Yoshimitsu
Yamaguchi Akihiro
Yamaguchi Keizaburo
Yoshikawa Yukihiro
Mitsui Chemicals Incorporated
Smart & Biggar
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