- METHOD FOR PRODUCING BISPHENOL COMPOUND
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PROBLEM TO BE SOLVED: To provide a method for producing an aldehyde bisphenol compound, which makes it possible to produce a 4,4'-substituted body with significantly high regioselectivity in an efficient and easy manner. SOLUTION: A production method includes producing a bisphenol compound represented by the formula (1) in a state in which at least phenol, heteropoly acid, and a trioxane compound such as paraldehyde coexist. [In formula (1), R1 is a hydrogen atom or a C1-29 monovalent organic group. R2 and R3 each denote a halogen atom or a C1-29 monovalent organic group. a and b each denote an integer of 0-4]. SELECTED DRAWING: None COPYRIGHT: (C)2021,JPOandINPIT
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Paragraph 0096; 0101
(2020/11/24)
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