| 发明名称 |
VERFAHREN ZUR HERSTELLUNG VON ORGANISCHEN ISOCYANATEN. |
| 摘要 |
Process for the preparation of organic isocyanates by reacting an aromatic nitro compound with carbon monoxide in the presence of (a) Pd or a Pd compound, (b) a ligand of formula <CHEM> in which X and Y are the same or different bridging groups each of which has 3 or 4 atoms in the bridge, of which atoms at least two are carbon atoms and which groups X and Y may be bound to each other, and (c) one or more protonic acids, except hydrohalogenic acids. |
| 申请公布号 |
DE3670285(D1) |
申请公布日期 |
1990.05.17 |
| 申请号 |
DE19863670285 |
申请日期 |
1986.11.06 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG/S'GRAVENHAGE, NL |
发明人 |
DRENT, EIT, NL-1031 CM AMSTERDAM, NL |
| 分类号 |
C07B61/00;B01J31/18;C07C67/00;C07C241/00;C07C263/14;C07C265/00;C07C265/12;C07D213/22;(IPC1-7):C07C265/12 |
主分类号 |
C07B61/00 |
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