[EN] INTERMOLECULAR REACTION OF PROPARGYL ETHERS WITH DIMETHYLFURAN IN THE PRESENCE OF GOLD(I) COMPLEXES [FR] RÉACTION INTERMOLÉCULAIRE D'ÉTHERS PROPARGYLIQUES AVEC DU DIMÉTHYLFURANNE EN PRÉSENCE DE COMPLEXES D'OR (I)
Intermolecular reaction of propargyl ethers with dimethylfuran in the presence of gold(I) complexes
申请人:DSM IP Assets B.V.
公开号:US10815178B2
公开(公告)日:2020-10-27
The present invention relates to a method of preparing ortho substituted phenols from 2,5-dimethylfuran and propargyl ethers in the presence of a gold(I) complex. It is particularly advantageous to use 2,5-dimethylfuran as this offers an ecological beneficial synthesis of said ortho substituted phenols.
INTERMOLECULAR REACTION OF PROPARGYL ETHERS WITH DIMETHYLFURAN IN THE PRESENCE OF GOLD(I) COMPLEXES
申请人:DSM IP Assets B.V.
公开号:EP3394020A1
公开(公告)日:2018-10-31
PROCESS FOR PREPARING (POLY)ALKYLATED PHENOLS
申请人:DSM IP Assets B.V.
公开号:EP3544945A1
公开(公告)日:2019-10-02
2-(Amino or Substituted Amino)-5, 6-Substituted Phenol Compounds, Dyeing Compositions Containing Them, and Use Thereof
申请人:BOLTON David Philip
公开号:US20080115297A1
公开(公告)日:2008-05-22
The present invention relates to 2-(amino or substituted amino)-5,6-substituted phenol compounds according to the Formula (I), as defined herein and compositions for the oxidative dyeing of keratin fibres, comprising a medium suitable for dyeing and a compound of the Formula (I).