Preparation of indenes
US4677238A · kind A · utility
2Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1986 |
| Grant date | Jun 30, 1987 |
| Priority date | — |
| Expiry date | Sep 12, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is the vapor phase cyclodehydration of an aldehyde or ketone over a solid catalyst which comprises phosphoric acid on a solid inorganic oxide support to make indene or a substituted indene according to the equation: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.