Method for making tetrahydroxydiphenylsulfide and product obtain

Details Method for making tetrahydroxydiphenylsulfide and product obtain Method for making tetrahydroxydiphenylsulfide and product obtain

1986-02-03

1987-12-22

Ceperley, Mary E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

568 44, 568 48, C07C14930

Patent

active

047147806

ABSTRACT:
Thiobisphenols, such as 2,2-bis[2,2-bis(4-hydroxyphenyl)propane]-sulfide are provided by effecting reaction betwen a dihydric phenol such as bisphenol-A and sulfur dichloride in the presence of an effective amount of a Lewis acid catalyst and organic solvent.

REFERENCES:
patent: 3060121 (1962-10-01), Orloff et al.
patent: 4115590 (1978-09-01), Lerner
patent: 4380671 (1983-04-01), Yamaguchi et al.
Hiroshi Kato, "Tetrahydroxydiphenyl Sulfide", Chemical Abstracts 88, #88:50470r (1978), p. 511.
"Prepn. of 2,2'-thio-bisphenol Derivs.", Derwent Pub. Ltd., Central Patents Index 83, #39, A+:Polymer Applications #J8 3042866-B (1983).
"Thiobis-phenol(s) & Resorcinol(s) Prodn.", Derwent Pub. Ltd., Central Patents Index, Week 8402, AE: Polymer+General Chemistry #FR 2527-603-A (1983).
Akihiro Yamaguchi et al., "Bis-(4-substituted Phenol)Sulfides", Chemical Abstracts 93, #93:149974y (1980), p. 692.
Akihiro Yamaguchi et al, "Preparation of 2,2'-bis(4-substituted-phenol Sulfides", Chemical Abstracts 94, #94:83765t (1981) p. 691.

Affiliated with

Also associated with

Rating

Method for making tetrahydroxydiphenylsulfide and product obtain does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for making tetrahydroxydiphenylsulfide and product obtain, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for making tetrahydroxydiphenylsulfide and product obtain will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-819584