发明名称 |
WERKWIJZE VOOR DE BEREIDING VAN METHACRYLZUUR, HET NITRILE EN DE ESTERS DAARVAN. |
摘要 |
In the method of making a compound of the formula <IMAGE> wherein X is carboxyl, a carboxylic acid ester group -COOR2, or cyano, by reaction of a compound of the formula CH3CH2X with methylal in the presence of a catalyst, the improvement wherein said catalyst is a catalyst system which consists essentially of (1) silicon dioxide dosed with a basic component and (2) a member selected from the group consisting of aluminum oxide and titanium dioxide. |
申请公布号 |
NL7800736(A) |
申请公布日期 |
1978.07.24 |
申请号 |
NL19780000736 |
申请日期 |
1978.01.20 |
申请人 |
ROEHM G.M.B.H. TE DARMSTADT, BONDSREPUBLIEK DUITSLAND. |
发明人 |
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分类号 |
C07C69/54;B01J21/00;B01J23/02;C07B61/00;C07C51/00;C07C51/353;C07C57/04;C07C67/00;C07C67/30 |
主分类号 |
C07C69/54 |
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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