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Rani D, Sethi A, Kaur K, Agarwal J. Ultrasonication-Assisted Synthesis of a d-Glucosamine-Based β-CD Inclusion Complex and Its Application as an Aqueous Heterogeneous Organocatalytic System. J Org Chem 2020; 85:9548-9557. [PMID: 32672959 DOI: 10.1021/acs.joc.0c00420] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
For the first time, an inclusion complex has been crafted between a carbohydrate-based molecule and a β-cyclodextrin (CD) hydrophobic cavity for asymmetric catalytic applications. This novel d-glucosamine-based inclusion compound has been synthesized in high yields using an innovative and proficient acoustic cavitation technology and well characterized using various techniques, such as infrared spectroscopy, nuclear magnetic resonance spectroscopy, ultraviolet-visible spectroscopy, thermogravimetric analysis, scanning electron microscopy, and other spectroscopic techniques. It was observed that the inclusion of a d-glucosamine derivative into the hydrophobic cavity of β-CD increased its surface area and thermal stability. This catalytic system worked well in water for the direct aldol reaction to afford the products in excellent yields with high diastereo- and enantioselectivities.
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Affiliation(s)
- Dhiraj Rani
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Aaftaab Sethi
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Khushwinder Kaur
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Jyoti Agarwal
- Department of Chemistry and Center of Advanced Studies, Panjab University, Chandigarh 160014, India
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Jelínková K, Kovačević J, Wrzecionková E, Prucková Z, Rouchal M, Dastychová L, Vícha R. Binding study on 1-adamantylalkyl(benz)imidazolium salts to cyclodextrins and cucurbit[n]urils. NEW J CHEM 2020. [DOI: 10.1039/d0nj00738b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Adamantane-based imidazolium salts with flexible linkers between the adamantane cage and imidazolium core were prepared. Their supramolecular behaviour towards the natural cyclodextrins α-CD, β-CD and γ-CD and cucurbit[n]urils (n = 7, 8) was studied.
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Affiliation(s)
- Kristýna Jelínková
- Department of Chemistry
- Faculty of Technology
- Tomas Bata University in Zlín
- 760 01 Zlín
- Czech Republic
| | - Jelica Kovačević
- Department of Chemistry
- Faculty of Technology
- Tomas Bata University in Zlín
- 760 01 Zlín
- Czech Republic
| | - Eva Wrzecionková
- Department of Chemistry
- Faculty of Technology
- Tomas Bata University in Zlín
- 760 01 Zlín
- Czech Republic
| | - Zdeňka Prucková
- Department of Chemistry
- Faculty of Technology
- Tomas Bata University in Zlín
- 760 01 Zlín
- Czech Republic
| | - Michal Rouchal
- Department of Chemistry
- Faculty of Technology
- Tomas Bata University in Zlín
- 760 01 Zlín
- Czech Republic
| | - Lenka Dastychová
- Department of Chemistry
- Faculty of Technology
- Tomas Bata University in Zlín
- 760 01 Zlín
- Czech Republic
| | - Robert Vícha
- Department of Chemistry
- Faculty of Technology
- Tomas Bata University in Zlín
- 760 01 Zlín
- Czech Republic
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Tichá IC, Hybelbauerová S, Jindřich J. New α- and β-cyclodextrin derivatives with cinchona alkaloids used in asymmetric organocatalytic reactions. Beilstein J Org Chem 2019; 15:830-839. [PMID: 31019575 PMCID: PMC6466772 DOI: 10.3762/bjoc.15.80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 03/12/2019] [Indexed: 11/24/2022] Open
Abstract
The preparation of new organocatalysts for asymmetric syntheses has become a key stage of enantioselective catalysis. In particular, the development of new cyclodextrin (CD)-based organocatalysts allowed to perform enantioselective reactions in water and to recycle catalysts. However, only a limited number of organocatalytic moieties and functional groups have been attached to CD scaffolds so far. Cinchona alkaloids are commonly used to catalyze a wide range of enantioselective reactions. Thus, in this study, we report the preparation of new α- and β-CD derivatives monosubstituted with cinchona alkaloids (cinchonine, cinchonidine, quinine and quinidine) on the primary rim through a CuAAC click reaction. Subsequently, permethylated analogs of these cinchona alkaloid-CD derivatives also were synthesized and the catalytic activity of all derivatives was evaluated in several enantioselective reactions, specifically in the asymmetric allylic amination (AAA), which showed a promising enantiomeric excess of up to 75% ee. Furthermore, a new disubstituted α-CD catalyst was prepared as a pure AD regioisomer and also tested in the AAA. Our results indicate that (i) the cinchona alkaloid moiety can be successfully attached to CD scaffolds through a CuAAC reaction, (ii) the permethylated cinchona alkaloid-CD catalysts showed better results than the non-methylated CDs analogues in the AAA reaction, (iii) promising enantiomeric excesses are achieved, and (iv) the disubstituted CD derivatives performed similarly to monosubstituted CDs. Therefore, these new CD derivatives with cinchona alkaloids effectively catalyze asymmetric allylic aminations and have the potential to be successfully applied in other enantioselective reactions.
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Affiliation(s)
- Iveta Chena Tichá
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Simona Hybelbauerová
- Department of Teaching and Didactics of Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Jindřich Jindřich
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43, Prague 2, Czech Republic
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Zhu Q, Shen H, Yang Z, Ji H. Biomimetic asymmetric Michael addition reactions in water catalyzed by amino-containing β-cyclodextrin derivatives. CHINESE JOURNAL OF CATALYSIS 2016. [DOI: 10.1016/s1872-2067(15)61122-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Li J, Li XB, Ma SS, Liu J, Li BH, Li BL. An Ionic Liquid Containing L-Proline Moiety as Highly Efficient and Recyclable Chiral Organocatalyst for Michael Addition. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10848] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jiang Li
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 China
- Department of Medical Chemistry, School of Basic Medical Science; Ningxia Medical University; Yinchuan 750004 China
| | - Xia Bing Li
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 China
| | - Sha Sha Ma
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 China
| | - Juan Liu
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 China
| | - Ben Hao Li
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 China
| | - Bao Lin Li
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 China
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Shen HM, Zhou WJ, Yu WB, Wu HK, Liu QP, Ji HB, Wang Y, She YB. Metal-free chemoselective oxidation of sulfides to sulfoxides catalyzed by immobilized l-aspartic acid and l-glutamic acid in an aqueous phase at room temperature. NEW J CHEM 2016. [DOI: 10.1039/c6nj00854b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Immobilized l-aspartic and l-glutamic acid were employed in the oxidation of sulfides, and 99% conversion and 97% selectivity were achieved.
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Affiliation(s)
- Hai-Min Shen
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Wen-Jie Zhou
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Wu-Bin Yu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Hong-Ke Wu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Qiu-Ping Liu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Hong-Bing Ji
- School of Chemistry and Chemical Engineering
- Sun Yat-sen University
- Guangzhou 510275
- China
| | - Yan Wang
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Yuan-Bin She
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
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8
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Water: the most versatile and nature’s friendly media in asymmetric organocatalyzed direct aldol reactions. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.tetasy.2015.09.009] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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pH-Dependence of the Aqueous Phase Room Temperature Brønsted Acid-Catalyzed Chemoselective Oxidation of Sulfides with H₂O₂. Molecules 2015; 20:16709-22. [PMID: 26389868 PMCID: PMC6331969 DOI: 10.3390/molecules200916709] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 09/01/2015] [Accepted: 09/02/2015] [Indexed: 12/02/2022] Open
Abstract
A pH-dependence of the Brønsted acid-catalyzed oxidation of sulfides to the corresponding sulfoxides with H2O2 is reported for the first time based on our systematic investigation of the catalytic performance of a series of Brønsted acids. For all of the Brønsted acids investigated, the catalytic performances do not depend on the catalyst loading (mol ratio of Brønsted acid to substrate), but rather depend on the pH value of the aqueous reaction solution. All of them can give more than 98% conversion and selectivity in their aqueous solution at pH 1.30, no matter how much the catalyst loading is and what the Brønsted acid is. This pH-dependence principle is a very novel perspective to understand the Brønsted-acid catalysis system compared with our common understanding of the subject.
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Rai P, Srivastava M, Yadav S, Singh J, Singh J. β-Cyclodextrin: A Biomimetic Catalyst used for the Synthesis of 4H-chromene-3-carbonitrile and Tetrahydro-1H-xanthen-1-one Derivatives. Catal Letters 2015. [DOI: 10.1007/s10562-015-1588-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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12
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Shen HM, Zhou WJ, Wu HK, Yu WB, Ai N, Ji HB, Shi HX, She YB. Metal-free chemoselective oxidation of sulfides to sulfoxides catalyzed by immobilized taurine and homotaurine in aqueous phase at room temperature. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.05.105] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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13
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Bartók M. Advances in Immobilized Organocatalysts for the Heterogeneous Asymmetric Direct Aldol Reactions. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING 2015. [DOI: 10.1080/01614940.2015.1039432] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Liu HD, Zheng AX, Gong CB, Ma XB, Hon-Wah Lam M, Chow CF, Tang Q. A photoswitchable organocatalyst based on a catalyst-imprinted polymer containing azobenzene. RSC Adv 2015. [DOI: 10.1039/c5ra10343f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Photoinduced trans → cis isomerization of azobenzene releases the catalyst and switches the reaction from the “OFF state” to “ON state”.
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Affiliation(s)
- Hua-dong Liu
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing
- China
| | - An-xun Zheng
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing
- China
| | - Cheng-bin Gong
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing
- China
| | - Xue-bing Ma
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing
- China
| | - Michael Hon-Wah Lam
- Department of Biology and Chemistry
- City University of Hong Kong
- Hong Kong
- China
| | - Cheuk-fai Chow
- Department of Science and Environmental Studies
- The Hong Kong Institute of Education
- Hong Kong
- China
| | - Qian Tang
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing
- China
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Direct asymmetric aldol reactions in aqueous media catalyzed by a β-cyclodextrin–proline conjugate with a urea linker. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.11.084] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Shen HM, Zhu GY, Yu WB, Wu HK, Ji HB, Shi HX, Zheng YF, She YB. Surface immobilization of β-cyclodextrin on hybrid silica and its fast adsorption performance of p-nitrophenol from the aqueous phase. RSC Adv 2015. [DOI: 10.1039/c5ra15592d] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Fast adsorption of p-nitrophenol was achieved through surface immobilization of β-cyclodextrin onto hybrid silica and maintenance of its hydrophobic cavity.
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Affiliation(s)
- Hai-Min Shen
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Gong-Yuan Zhu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Wu-Bin Yu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Hong-Ke Wu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Hong-Bing Ji
- School of Chemistry and Chemical Engineering
- Sun Yat-sen University
- Guangzhou 510275
- China
| | - Hong-Xin Shi
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Yi-Fan Zheng
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Yuan-Bin She
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
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Silva OF, Correa NM, Silber JJ, de Rossi RH, Fernández MA. Supramolecular assemblies obtained by mixing different cyclodextrins and AOT or BHDC reverse micelles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:3354-3362. [PMID: 24597759 DOI: 10.1021/la404584q] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this contribution we show the effect of the surfactant polar head and the external solvent on the incorporation of different cyclodextrins (CDs) {α-CD, β-CD, γ-CD, decenylsuccinyl-β-CD (Mod-β-CD), and hydroxypropyl-β-CD (hp-β-CD)} in different reverse micelles (RMs) {benzene/sodium 1,4-bis(2-ethylhexyl) sulfosuccinate(AOT)/water, and benzene/benzyl-n-hexadecyldimethylammonium chloride (BHDC)/water} and compare them with previous results obtained in n-heptane/AOT/water RMs. To investigate the different systems, we have used UV-vis spectrophotometry, induced circular dichroism spectroscopy (ICD), and the achiral molecular probe methyl orange (MO). The results show dramatic differences changing the external solvent and the surfactant, which are explained by considering the differences in the RMs interface composition, the water-surfactant interaction, and the CDs' location in the different media investigated. None of the CDs were incorporated into the benzene/AOT/water RMs at any [H2O]/[surfactant] ratio studied (W0) whereas it was previously shown that Mod-β-CD and hp-β-CD could be included in n-heptane/AOT/water RMs. However, all of the CDs are incorporated in benzene/BHDC/water RMs at W0 > 10 and hp-β-CD is dissolved even at W0 = 0. Different from what was found in n-heptane/AOT RMs, in BHDC RMs MO showed ICD signals with two different CDs: Mod-β-CD and hp-β-CD. The results are explained by considering the known difference in the interfacial water structure for AOT and BHDC RMs and the electron-rich region on the secondary hydroxyl (wider side of the CDs), which helps to solubilize all CDs in BHDC. This study shows that chiral cyclodextrin could be available for a guest in an organic medium such as the RMs. Therefore we have created a potentially powerful nanoreactor with two different confined regions in the same aggregate: the polar core of the RMs and the chiral hydrophobic cavity of cyclodextrin.
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Affiliation(s)
- O Fernando Silva
- Instituto de Investigaciones en Físico-Química de Córdoba, INFIQC-CONICET, Facultad de Ciencias Químicas, Departamento de Química Orgánica, Universidad Nacional de Córdoba, Ciudad Universitaria , X5000HUA Córdoba, Argentina
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Bayat S, Tejo BA, Salleh AB, Abdmalek E, Normi YM, Abdul Rahman MB. Various polar tripeptides as asymmetric organocatalyst in direct aldol reactions in aqueous media. Chirality 2013; 25:726-34. [PMID: 23966316 DOI: 10.1002/chir.22205] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2013] [Revised: 05/24/2013] [Accepted: 05/29/2013] [Indexed: 11/09/2022]
Abstract
A series of tripeptide organocatalysts containing a secondary amine group and two amino acids with polar side chain units were developed and evaluated in the direct asymmetric intermolecular aldol reaction of 4-nitrobenzaldehyde and cyclohexanone. The effectiveness of short polar peptides as asymmetric catalysts in aldol reactions to attain high yields of enantio- and diastereoselective isomers were investigated. In a comparison, glutamic acid and histidine produced higher % ee and yields when they were applied as the second amino acid in short trimeric peptides. These short polar peptides were found to be efficient organocatalysts for the asymmetric aldol addition reaction in aqueous media.
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Affiliation(s)
- Saadi Bayat
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
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Xie ZB, Wang N, Jiang GF, Yu XQ. Biocatalytic asymmetric aldol reaction in buffer solution. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.12.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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