| 发明名称 |
PROCESS FOR THE PREPARATION OF RHODIUM CONTAINING CATALYSTS AND THEIR APPLICATION |
| 摘要 |
The present invention refers to the compounds (.mu.-hydrazine-N1:N2)-bis¢bis(triphenylphosphine)-chlororhodium (I)! and di(.mu.-hydrazine-N1:N2)-bis¢bis(triphenylphosphine)rhodium (I)! dichloride, which are homogenous hydrogenation catalysts and their application in the hydrogenation of the exocyclic methylene group of acid addition salts of 6-demethyl-6-deoxy-6-methylene-5-hydroxytetracycline (methacycline) to prepare .alpha.-6-deoxy-5-hydroxytetracycline (doxycycline). |
| 申请公布号 |
NZ220506(A) |
申请公布日期 |
1989.09.27 |
| 申请号 |
NZ19870220506 |
申请日期 |
1987.05.29 |
| 申请人 |
PLURICHEMIE ANSTALT |
发明人 |
HEGGIE, W;PAGE, P R;VILLAX, I;HURSTHOUSE, M B;SOMERVILLE, R G |
| 分类号 |
C07B53/00;B01J;B01J23/46;B01J31/00;B01J31/16;B01J31/18;B01J31/22;B01J31/24;C07B31/00;C07B61/00;C07C;C07C67/00;C07C231/00;C07C231/12;C07C235/70;C07C237/26;C07C237/44;C07F15/00 |
主分类号 |
C07B53/00 |
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