109252-41-7Relevant articles and documents
Novel benzoxazine and synthesis method thereof
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Paragraph 0017; 0056-0058, (2021/09/26)
The invention discloses a novel benzoxazine and a synthesis method thereof, and belongs to the technical field of chemical synthesis. The synthesis method comprises the following steps: mixing bisphenol A (BPA) with trifluoroacetic acid, heating and react
IMPROVED PROCESS FOR THE MANUFACTURE OF POLYPHENOLS
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Page/Page column 20-21, (2008/06/13)
An improved process for the manufacture of a polyphenol compound such as bisphenol-A by introducing into a reaction zone a phenolic compound reactant, a carbonyl compound reactant, and a catalyst promoter comprising bismethylthiopropane added to the reaction system in certain specific locations, and reacting the ingredients within the reaction zone in the presence of an acid catalyst.