Method for making 9,9-bis-(4-hydroxyphenyl)-fluorene
A method for making 9,9-bis-(4-hydroxyphenyl)-fluorene by reacting fluorenone with phenol at a temperature from 20 DEG to 100 DEG C. in the presence of sulfuric acid of a concentration higher than 70 percent and of a mercaptan, and particularly beta-mercaptopropionic acid, as acidic condensing agent...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
23.06.1987
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Edition | 4 |
Subjects | |
Online Access | Get full text |
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