Ring opening with group VIII metal catalysts supported on modified substrate
US6586650B2 · kind B2 · utility
2Cited by
50References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 2, 2001 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | Jul 2, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for opening naphthenic rings of naphthenic ring-containing compounds, along with catalysts which can be used in that process. The naphthene ring opening catalyst is a catalyst comprising at least one Group VIII metal selected from Ir, Pt, Rh, and Ru, wherein these metals are supported on an alkali metal or alkaline-earth metal modified support in an amount effective for opening a naphthene ring-containing compound at a tertiary carbon site.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.