| 发明名称 |
Ethylenic hydroxyacetals, a process for their preparation and their use |
| 摘要 |
Ethylenic hydroxyacetals of the general formula: <IMAGE> wherein R represents a 2,6,6- trimethylcyclohex-1-enyl or a 2,6- dimethylhepta-1,5-dienyl radical and R1 is a straight- or branched-chain alkyl group containing 1 to 4 carbon atoms, are useful in the synthesis of vitamin A and lycopene. |
| 申请公布号 |
GB2028330(A) |
申请公布日期 |
1980.03.05 |
| 申请号 |
GB19790028939 |
申请日期 |
1979.08.20 |
| 申请人 |
AEC SOC DE CHIMIE ORGANIQUE ET BIOLIGIQUE |
发明人 |
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| 分类号 |
C07C43/303;C07C41/00;C07C41/48;C07C43/30;C07C43/315;C07C45/00;C07C45/51;C07C47/20;C07C47/21;C07C47/225;C07C47/267;C07C47/45;C07C67/00;C07C401/00;C07C403/00;C07C403/10;(IPC1-7):07C43/315;07C47/225 |
主分类号 |
C07C43/303 |
| 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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