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公开(公告)号:EP2847156A1
公开(公告)日:2015-03-18
申请号:EP13787834.4
申请日:2013-05-06
IPC分类号: C07C45/45 , C07C45/00 , C07C47/56 , C07C47/565 , C07C47/575 , C07C45/58
CPC分类号: C07C45/54 , C07C47/58 , C07C47/565 , C07C47/575
摘要: Disclosed is a process to produce vanillin or vanillin derivatives carrying out a one step reaction starting from guaiacol or guaiacol derivatives and at least a superacid.
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公开(公告)号:EP4045334A1
公开(公告)日:2022-08-24
申请号:EP20790258.6
申请日:2020-10-12
申请人: RHODIA OPERATIONS
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