搜索
您的当前位置:首页正文

ALPHA HYDROXY DIALKYL ACETALS

2022-02-26 来源:易榕旅网
专利内容由知识产权出版社提供

专利名称:ALPHA HYDROXY DIALKYL ACETALS发明人:GENICHI TSUCHIHASHI,SHUICHI

MITAMURA,KOUJI KITAJIMA

申请号:AU4588985申请日:19850807公开号:AU4588985A公开日:19860102

摘要:A process for preparing an alpha-aromatic group substituted alkanoic acid or itsester of the general formula wherein Ar represents an aromatic group and R<1>represents a hydrogen atom or a saturated aliphatic group, or Ar and R<1> may form acondensed ring together with the carbon atom to which they are bonded; and R<2>represents a hydrogen atom, an alkyl group, or a hydroxyalkyl group, characterized inthat an alpha-sulfonyloxyketone acetal of the general formula wherein R<3> and R<4>,independently from each other, represent an alkyl group. or taken together, representan alkylene group; R<6> represents a substituted or unsubstituted alkyl group or anaromatic group; and Ar and R<1> are as defined above, is hydrolyred, or treated with anagent having affinity for oxygen; and novel intermediate compounds of the generalformula (II) used in aforesaid process.

申请人:SYNTEX PHARMACEUTICALS INTERNATIONAL LTD.

更多信息请下载全文后查看

因篇幅问题不能全部显示,请点此查看更多更全内容

Top