发明授权
US4142053A Process for manufacturing alkyl-substituted .beta.-resorcyclic acid
esters
失效
制备烷基取代的{62-间环酸酯的方法
- 专利标题： Process for manufacturing alkyl-substituted .beta.-resorcyclic acid esters
- 专利标题（中）： 制备烷基取代的{62-间环酸酯的方法
-
申请号： US827427申请日： 1977-08-24
-
公开(公告)号： US4142053A公开(公告)日： 1979-02-27
- 发明人: Erich Klein , Frank Thomel , Hartmut Struwe
- 申请人： Erich Klein , Frank Thomel , Hartmut Struwe
- 申请人地址： DEX Holzminden
- 专利权人： Dragoco Geberding & Co. GmbH
- 当前专利权人： Dragoco Geberding & Co. GmbH
- 当前专利权人地址： DEX Holzminden
- 优先权： DEX2653177 19761123
- 主分类号： C07C69/88
- IPC分类号： C07C69/88 ; C07C69/84 ; C11B9/00
摘要：
Synthetic oakmoss extracts of alkyl-substituted .beta.-resorcylic acid esters useful as perfume ingredients, are prepared by refluxing alkyl-substituted dihydro-.beta.-resorcylic acid esters with sulphuric acid and acetic anhydride, followed by saponifying the resultant diacetate.
公开/授权文献
- US4684545A Electroless plating with bi-level control of dissolved oxygen 公开/授权日：1987-08-04
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