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Method for the preparation of bis(hydroxyphenyl) sulfides
   
Document Number
US Patent 4845299
Issued Date
July 4, 1989
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Abstract
The bis(hydroxyphenyl) sulfides mixture prepared according to the inventive method is advantageous in respect of the increased proportion of 4-mercaptophenol relative to less useful 2-mercaptophenol in the product obtained by the reductive decomposition of the mixture. The inventive method is characterized by performing the reaction of phenol and sulfur chloride in a specific solvent which is an ethylene glycol monoalkyl ether compound such as ethylene glycol monomethyl ether, triethylene glycol monoethyl ether and the like.
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Number of Claims:
8
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Published
July 4, 1989
Application Number
07/177,620
Filed
April 5, 1988
US Classification
568/23   568/48
Int'l Classification
C07C   319/00   (20060101)   C07C   319/16   (20060101)   C07C   319/14   (20060101)  
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Priority Data
Apr 13, 1987 [JP] 62-90140
USPTO Field of Search
568/23   568/48  
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