Preparation of urethane products
US5055577A · kind A · utility
10Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1990 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | Jun 18, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/68
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a process for preparing urethanes from primary or secondary amines, carbon dioxide and a diolefin. The amine is reacted with carbon dioxide to form the ammonium carbamate salt which is then reacted with a stoichiometric amount of a diolefin coordinated to palladium(II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.