发明名称 Processo de preparação de um composto p-hidroximandélico eventualmente substituído e derivado e de um aldeído 4-hidroxiaromático.
摘要 <p>The invention relates to a method for preparing optionally substituted P-hydroxymandelic compounds and derivatives thereof. The method for preparing the mandelic compounds of the invention comprises condensing in water, in the presence of an alkaline agent, an aromatic compound bearing at least one hydroxyl group and having a free para position, with glycoxylic acid, wherein said method is characterised in that said reaction is carried out in a piston-flow reactor.</p>
申请公布号 BRPI0817010(A2) 申请公布日期 2015.03.24
申请号 BR2008PI17010 申请日期 2008.12.09
申请人 RHODIA OPERATIONS 发明人 BRUNO HEINISCH;PASCAL PITIOT;JEAN-LOUIS GRIENEISEN
分类号 C07C51/367;C07C45/29;C07C47/575;C07C47/58;C07C59/52;C07C59/64 主分类号 C07C51/367
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