Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1990-10-05
1992-03-24
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568722, 568730, 568784, 568789, 568802, 568805, C07C 3914, C07C 3750, C07C 3784
Patent
active
050990764
ABSTRACT:
The present invention is directed to a method for the preparation of p,p'-biphenol by simplified processes achieved by batch or continuous operations which comprises using phenol and isobutylene as starting materials, allowing phenol to react with isobutylene in the presence of aluminum phenoxide, oxidizing the resulting reaction liquid in the presence of an alkaline catalyst, and debutylating the reaction liquid in the presence of a debutylation catalyst.
REFERENCES:
patent: 4100205 (1978-07-01), Rutledge
patent: 4560809 (1985-12-01), Goins et al.
patent: 4891453 (1990-01-01), Tanaka et al.
Ayabe Yoshiharu
Kawahara Mikio
Takahashi Katsunori
Yago Shunji
Honshu Chemical Industry Co. Ltd.
Lone Werren B.
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