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Nueva metodología de oxidación catalítica de benceno a fenol

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20151126002
Publicado:
16/06/2016
Caducidad:
16/06/2017
Resumen:
Un equipo de investigación andaluz ha desarrollado una metodología de oxidación catalítica de benceno a fenol donde el oxidante es peróxido de hidrógeno y el medio de reacción es una mezcla de acetonitrilo y agua. La oxidación catalítica del benceno se produce por un sistema catalítico basado en compuestos de cobre. Este método permite alcanzar conversiones cercanas al 35% con selectividades superiores al 92% en procesos que tienen lugar a 60 ºC con tiempos de reacción de 2 a 4 horas. El grupo de investigación busca compañías interesadas en adquirir los derechos bajo licencia o establecer acuerdos de cooperación técnica.

Details

Tittle:
New Methodology for the catalytic oxidation of benzene to phenol
Summary:
An Andalusian research group has developed a methodology for the catalytic oxidation of benzene to phenol, where the oxidant is hydrogen peroxide and the reaction medium is a mixture of acetonitrile and water, the catalytic oxidation of benzene being generated by a catalytic system based on copper compounds. They are looking for companies interested in acquiring the rights under license or, alternatively, support technical cooperation with the group.
Description:
An andalusian research group has developed a new methodology for the catalytic oxidation of benzene to phenol, where the oxidant is hydrogen peroxide and the reaction medium is a mixture of acetonitrile and water, the catalytic oxidation of benzene being generated by a catalytic system based on copper compounds. Said method enables approximately 35 % conversions with selectivities higher than 92 % in process taking place at 60 ºC with reaction times of between 2 and 4 hours.
One of the most important intermediates of the chemical industry is phenol that is mainly prepared (95% of worldwide production) by the cumene hydroperoxide process. This process displays several drawbacks, the main being the overall yield of phenol that barely reaches 5% relative to benzene. It also involves a potentially hazardous cumyl hydroperoxide intermediate and furthermore generates acetone as a byproduct. Because of this, the search for a one-step process for the direct conversion of benzene into phenol constitutes an area of permanent interest. Efforts toward this end have usually been defeated by the fact that oxidation of benzene is usually affected by a poor selectivity, since phenol is more reactive toward oxidation than the initial benzene and therefore over-oxidation products are usually formed decreasing the selectivity.
Advantages and Innovations:

Their main advantages and innovations are:
- Catalytic process with a high atomic selectivity.
- Process in a one-step for the direct conversion of benzene into phenol.
- The presence of an acidic medium is not requiring.
- Operates under mild conditions.
- No by-side product is formed.
- Highly selective process.
They have found that complexes of general formula TpxCu(NCMe) catalyze the oxidation of benzene into phenol with conversions that challenge other systems reported in the literature. Particularly, this system does not require the presence of an acidic medium and operates under somewhat mild conditions
Stage of Development:
Under development/lab tested
IPs:
Patent(s) applied for but not yet granted

Partner sought

Type and Role of Partner Sought:
They are looking for partners, such as, chemical companies or research centers interested in licensing their patent in order to exploit and commercialize their invention, as well as establishing business contacts with investors.
Entities interested in further development for specific applications are also sought.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
Spanish

Keywords

Technology Keywords:
03004006 Organic Substances