发明名称 |
PROCESS FOR THE PREPARATION OF A COSMETIC ACTIVE |
摘要 |
<p>A process for the preparation of a compound of formula I: wherein R is a hydrogen or a C<SUB>1-6 </SUB>alkyl group which is straight chain, branched or cyclic, with or without an oxygen, nitrogen or sulphur heteroatom anywhere in the chain or ring by reacting a compound of formula II: with a source of hydrogen selected from either hydrogen or water in the presence of a mixture of at least two catalysts selected from nickel, raney nickel, and palladium, at a pH below 7.0 in a solvent medium comprising an alcohol having a carbon chain length of up to 3.</p> |
申请公布号 |
EP1654209(A1) |
申请公布日期 |
2006.05.10 |
申请号 |
EP20040740380 |
申请日期 |
2004.06.28 |
申请人 |
UNILEVER PLC;UNILEVER N.V. |
发明人 |
BHAT, RAMACHANDRA;DHANUKA, VINODKUMAR, RAMNIRANJAN;HARICHIAN, BIJAN |
分类号 |
C07C37/00;C07C39/08;(IPC1-7):C07C37/00 |
主分类号 |
C07C37/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|