发明名称 ANTIOXIDANT AND METHOD FOR PRODUCING THE SAME
摘要 PROBLEM TO BE SOLVED: To provide an antioxidant having a low discolaration characteristics and capable of being synthesized at a low price by obtaining a specific single article and at the same time producing the antioxidant of their mixture for improving the anti-oxidation activity to elevate the anti-oxidation capability without requiring the separation of only one compound. SOLUTION: This method for producing the antioxidant is to produce phenols having at least >=1 ortho or para-substituting group from hydroxyl groups from a hydroxyl group in the presence of dialkylamine catalyst, and a phenol substituted by an alkylthiomethyl group is obtained by reacting formaldehyde and monomercaptane with the above phenols.
申请公布号 JP2001302617(A) 申请公布日期 2001.10.31
申请号 JP20000126613 申请日期 2000.04.26
申请人 KUMHO MONSANTO INC 发明人 JULIJ G SHERUMOROVICCHI;RIN SEIKEI;ZEN SAIKAKU
分类号 B01J31/02;C07B61/00;C07C319/14;C07C323/16;C09K15/14 主分类号 B01J31/02
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