42757-54-0Relevant articles and documents
Preparation method for octabromo S ether
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Paragraph 0031-0035; 0038-0042; 0045-0049; 0052-0056; 0059, (2019/07/01)
The invention relates to a preparation method for octabromo S ether. The invention aims to solve the technical problems of high process cost, low yield, long reaction route and high risk of the synthesis method for octabromo S ether in prior art. The prep
Process for preparing bis-(4-hydroxy-3,5-dibromophenyl)-sulfone derivatives
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, (2008/06/13)
Bis-(4-hydroxy-3,5-dibromophenyl) sulfone is converted to an allyl ether in the presence of an alkali with allyl chloride in the presence of a bromide and/or an iodide, and/or a substance capable of forming a bromide and/or an iodide by reaction with the