发明名称 |
PROCESS FOR PREPARING SUBSTITUTED OXYACETALDEHYDES AND ACETALS THEREOF |
摘要 |
A process is described for the preparation of substituted oxyacetaldehydes and acetals thereof according to the reaction sequence: <IMAGE> (i) +tr <IMAGE> <IMAGE> (ii) WHEREIN R1 and R2 are each lower alkyl or R1 and R2, taken together form a lower alkylene group; wherein R3 is alkyl, alkenyl or alkadienyl and X is halogen selected from the group consisting of chlorine and bromine, the reaction (i) being carried out (1) using a "phase transfer agent" and (2) in a two phase system. |
申请公布号 |
GB1600678(A) |
申请公布日期 |
1981.10.21 |
申请号 |
GB19780020261 |
申请日期 |
1978.05.17 |
申请人 |
INTERNATIONAL FLAVORS & FRAGRANCES INC |
发明人 |
|
分类号 |
C07C43/315;C07C41/00;C07C41/48;C07C43/303;C07C45/00;C07C45/51;C07C47/198;C07C47/277;C07C67/00;C07D317/22;C11B9/00;(IPC1-7):07C43/30;07C47/00 |
主分类号 |
C07C43/315 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|