发明名称 |
Process for the preparation of acrylic acid and methacrylic acid esters. |
摘要 |
<p>This invention relates to a process for the preparation of esters of acrylic or methacrylic acid with alcohols. The process comprises reacting the preformed ester of a C<5>-C<8> monohydric alcohol having only one oxygen function under transesterification conditions with a second alcohol having at least two carbon atoms and at least two oxygen functions in the presence of a catalyst comprising (a) an oxide, hydroxide or nitrate of calcium or barium and (b) a lithium compound LiX wherein X is nitrate, sulphite or carboxylate having more than six carbon atoms such that both (a) and (b) are not nitrate in the same catalyst.</p> |
申请公布号 |
EP0534666(A2) |
申请公布日期 |
1993.03.31 |
申请号 |
EP19920308426 |
申请日期 |
1992.09.16 |
申请人 |
BP CHEMICALS LIMITED |
发明人 |
KEARNS, MARK ALAN, BP CHEMICALS LTD. |
分类号 |
C07C67/03 |
主分类号 |
C07C67/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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