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ChemicalBook CAS DataBase List 4-Mercaptophenol
637-89-8

4-Mercaptophenol synthesis

8synthesis methods
-

Yield:637-89-8 95%

Reaction Conditions:

aluminum nickel in polythiobisphenol

Steps:

6 EXAMPLE 6
The hydrogenolysis of 83.1 g of the oily substance obtained in EXAMPLE 1 which contained the polythiobisphenol (corresponding to 81 % of 0.6 moles of phenol) was carried out in the same manner as in EXAMPLE 1 at 150°C for 10 hours with the use of 6.3 g of the above poisoned Raney nickel catalyst, to provide 60.0 g of 4-mercaptophenol, which was found 97 % purity. Then, the calculated reduction yield was found 95 %.

References:

SUMITOMO SEIKA CHEMICALS CO., LTD. EP474259, 1992, A2

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