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MARQUEZ SANCHEZ - CARNERERO, Esther Maria, Rafael SANDOVAL-TORRIENTES, Javier URIETA-MORA, Florencio MORENO, Beatriz L. MAROTO and Santiago DE LA MOYA. Speeding up heterogeneous catalysis with an improved highly reusable catalyst for the preparation of enantioenriched secondary alcohols. REACTIVE AND FUNCTIONAL POLYMERS. AMSTERDAM: ELSEVIER SCIENCE BV, 2017, vol. 113, April, p. 23-30. ISSN 1381-5148. Available from: https://dx.doi.org/10.1016/j.reactfunctpolym.2017.02.008.

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Basic information
Original name	Speeding up heterogeneous catalysis with an improved highly reusable catalyst for the preparation of enantioenriched secondary alcohols
Authors	MARQUEZ SANCHEZ - CARNERERO, Esther Maria (724 Spain, guarantor, belonging to the institution), Rafael SANDOVAL-TORRIENTES (724 Spain), Javier URIETA-MORA (724 Spain), Florencio MORENO (724 Spain), Beatriz L. MAROTO (724 Spain) and Santiago DE LA MOYA (724 Spain).
Edition	REACTIVE AND FUNCTIONAL POLYMERS, AMSTERDAM, ELSEVIER SCIENCE BV, 2017, 1381-5148.

Other information
Original language	English
Type of outcome	Article in a journal
Field of Study	20400 2.4 Chemical engineering
Country of publisher	Netherlands
Confidentiality degree	is not subject to a state or trade secret
WWW	URL
Impact factor	Impact factor: 2.975
RIV identification code	RIV/00216224:14310/17:00100313
Organization unit	Faculty of Science
Doi	http://dx.doi.org/10.1016/j.reactfunctpolym.2017.02.008
UT WoS	000397692900004
Keywords in English	Asymmetric catalysis; Polymer-supported catalysts; Chiral hydroxyamides; Diethylzinc additions; Fluidized-bed reactors
Tags	NZ, rivok
Tags	International impact, Reviewed
Changed by	Changed by: Ing. Nicole Zrilić, učo 240776. Changed: 11/4/2018 23:28.

Abstract
A new catalytic heterogeneous system, very efficient and highly reusable, for the preparation of enantioenriched secondary alcohols through the addition of diethyizinc to benzaldehyde has been developed. This system is based on a chiral bis(hydroxyamide) ligand supported on crosslinked polystyrene. The catalyst has been shown to be very efficient, leading to the corresponding secondary alcohol with an enantiomeric excess of 93% in a time as short as 2 h and using just 4% of the heterogeneous catalyst and just 1.5 equivalents of the organozinc reagent. We have demonstrated that the new catalyst is very stable and can be efficiently recycled with no decrease in yield or enantioseldctivity. The presented system has an unquestionable interest for the potential transfer of the reaction to the industry by using catalytic fluidized-bed reactors.

Abstract

A new catalytic heterogeneous system, very efficient and highly reusable, for the preparation of enantioenriched secondary alcohols through the addition of diethyizinc to benzaldehyde has been developed. This system is based on a chiral bis(hydroxyamide) ligand supported on crosslinked polystyrene. The catalyst has been shown to be very efficient, leading to the corresponding secondary alcohol with an enantiomeric excess of 93% in a time as short as 2 h and using just 4% of the heterogeneous catalyst and just 1.5 equivalents of the organozinc reagent. We have demonstrated that the new catalyst is very stable and can be efficiently recycled with no decrease in yield or enantioseldctivity. The presented system has an unquestionable interest for the potential transfer of the reaction to the industry by using catalytic fluidized-bed reactors.