Conversion of a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin
US8088957B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2005 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Jul 8, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/82
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for converting a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin, by contacting the multihydroxylated-aliphatic hydrocarbon or ester thereof starting material with a source of a superatmospheric partial pressure of hydrogen chloride for a sufficient time and at a sufficient temperature, and wherein such contracting step is carried out without substantial removal of water, to produce the desired chlorohydrin product; wherein the desired product or products can be made in high yield without substantial formation of undesired overchlorinated byproducts. In addition, certain catalysts of the present invention may be used in the present process at superatmospheric, atmospheric and subatmospheric pressure conditions with improved results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.