Catalyst for the rearrangement of allylic geminal dihalogen compounds
US5763711A · kind A · utility
13Cited by
2References
26Claims
0Family size
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Inventor
Key dates
| Filing date | Aug 7, 1996 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Aug 7, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for converting 3,3-dichloropropene in an intermediate boiling byproduct stream from a process of making allyl chloride by the chlorination of propylene to cis- or trans-1,3-dichloropropene or a mixture of these, wherein the 3,3-dichloropropene is contacted in the liquid phase with an alumina, silica or zeolite catalyst, characterized in that the alumina, silica or zeolite catalyst is selected to possess a predominance of basic sites as associated with a high alkali or alkaline earth metals content, for increased conversion and productivity and reduced catalyst deactivation rates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.