Academic literature on the topic 'Hydrobenzoin'

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Journal articles on the topic "Hydrobenzoin"

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Torres-Werlé, Maria, Adela Nano, Aline Maisse-François, and Stéphane Bellemin-Laponnaz. "Asymmetric benzoylation and Henry reaction using reusable polytopic bis(oxazoline) ligands and copper(ii)." New J. Chem. 38, no. 10 (2014): 4748–53. http://dx.doi.org/10.1039/c4nj00653d.

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Multitopic bis(oxazoline)-based chiral ligands are associated with copper to generate catalysts for the asymmetric benzoylation of meso-hydrobenzoin, the kinetic resolution of rac-hydrobenzoin and the asymmetric Henry reaction.
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Nemcsok, Tamás, Zsolt Rapi, Péter Bagi, Attila Oláh, György Keglevich, and Péter Bakó. "The Synthesis of Hydrobenzoin-Based Monoaza Crown Ethers and Their Application as Recyclable Enantioselective Catalysts." Catalysis Letters 150, no. 4 (2019): 930–38. http://dx.doi.org/10.1007/s10562-019-03013-0.

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Abstract New recyclable monoaza-15-crown ethers have been synthesized starting from (R,R)-(+)- and (S,S)-(−)-hydrobenzoin. These macrocycles proved to be efficient and reusable phase transfer catalysts in a few asymmetric reactions under mild conditions. The asymmetric epoxidation of trans-chalcone took place with up to 81% ee, while using other chalcone derivatives, the products were formed with 68–88% ee. The hydrobenzoin-based lariat ethers were also tested in the cyclopropanation of a few electron deficient olefins using diethyl bromomalonate to afford the product with good enantioselectiv
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Cho, Inhee, Labros Meimetis, Lee Belding, Michael J. Katz, Travis Dudding, and Robert Britton. "Directed ortho,ortho'-dimetalation of hydrobenzoin: Rapid access to hydrobenzoin derivatives useful for asymmetric synthesis." Beilstein Journal of Organic Chemistry 7 (September 22, 2011): 1315–22. http://dx.doi.org/10.3762/bjoc.7.154.

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A variety of ortho,ortho'-disubstituted hydrobenzoin derivatives are readily accessible through a directed ortho,ortho'-dimetalation strategy in which the alcohol functions in hydrobenzoin are deprotonated by n-BuLi and the resulting lithium benzyl alkoxides serve as directed metalation groups. The optimization and scope of this reaction are discussed, and the utility of this process is demonstrated in the one-pot preparation of a number of chiral diols as well as a short synthesis of the chiral ligand Vivol.
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Bieging, Anna, Li-Xin Liao, and Dominic V. McGrath. "Hydrobenzoin-based rigid chiral polymer." Chirality 14, no. 2-3 (2002): 258–63. http://dx.doi.org/10.1002/chir.10070.

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Okano, Kazuya. "Synthesis and application of chiral hydrobenzoin." Tetrahedron 67, no. 14 (2011): 2483–512. http://dx.doi.org/10.1016/j.tet.2011.01.044.

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Maeda, Chihiro, and Tadashi Ema. "Chiral carbazole-based porphyrins showing absorption and circular dichroism in the near-infrared region." Journal of Porphyrins and Phthalocyanines 24, no. 01n03 (2020): 247–51. http://dx.doi.org/10.1142/s1088424619500937.

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Chiral carbazole-based porphyrins were synthesized for the first time via the incorporation of hydrobenzoin units at the thiophene moieties. They showed absorption and circular dichroism in the near-infrared (NIR) region. The NIR absorption was further red-shifted by solvent-induced aggregation.
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Shiau, Lie-Ding, Keng-Fu Liu, and Pin-Hao Huang. "Purification of hydrobenzoin enantiomers by stripping crystallization." Journal of the Taiwan Institute of Chemical Engineers 44, no. 5 (2013): 707–12. http://dx.doi.org/10.1016/j.jtice.2013.01.020.

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Gärtner, P., C. Schuster, and M. Knollmüller. "Polymer-Supported m-Hydrobenzoin-Derived Chiral Auxiliary." Synfacts 2007, no. 1 (2007): 0115. http://dx.doi.org/10.1055/s-2006-955692.

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Vedejs, E., O. Daugulis, and N. Tuttle. "Desymmetrization ofmeso-Hydrobenzoin Using Chiral, Nucleophilic Phosphine Catalysts." Journal of Organic Chemistry 69, no. 4 (2004): 1389–92. http://dx.doi.org/10.1021/jo030279c.

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Nicolosi, Giovanni, Angela Patti, Mario Piattelli, and Claudia Sanfilippo. "Desymmetrization of meso-hydrobenzoin via stereoselective enzymatic esterification." Tetrahedron: Asymmetry 5, no. 2 (1994): 283–88. http://dx.doi.org/10.1016/s0957-4166(00)86185-6.

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Dissertations / Theses on the topic "Hydrobenzoin"

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Torok, Daniel Seth 1963. "Diastereoselective cyclopropanations of alpha,beta-unsaturated ketals derived from chiral hydrobenzoin." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276784.

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2-Cycloalken-1-one-(-)-erythro-hydrobenzoin ketals undergo efficient and diastereoselective cyclopropanation when treated with an excess of Simmons-Smith reagent. The resulting crystalline products yield enantiomerically pure cyclopropyl compounds upon recrystallization. For example, 2-cyclohexen-1-one-(-)-erythro-hydrobenzoin ketal gave, in 90% yield, a 19:1 mixture of diastereomeric cyclopropanes as established by 62.9 MHz ¹³C NMR spectroscopy. Upon one recrystallization, diastereomerically pure cyclopropane was obtained in 78% recovery. Hydrolysis gave (+)-norcaranone of greater than 99% ee
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Sisk, David Theodore. "I. Tunable Luminescence in Dendronized Poly(phenyleneethynylene)s Through Post-Polymerization Chemical Modification II. Rigid, Helical Polymers Based Upon Chiral Hydrobenzoin." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/194768.

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Dendritic encapsulation of poly(phenyleneethynylene)s or PPEs has been shown to enhance photoluminescent quantum efficiency and facilitate energy transfer by funneling photonic energy absorbed on the dendron periphery efficiently to the conjugated polymeric core. The research presented herein focuses on incorporating degradable dendron onto PPEs, examining whether or not similar benefits were conferred upon the proposed system and controlling polymer luminescence through the elimination of the insulating macromolecules. PPEs appended with disassembling dendrons of various generation sizes we
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Books on the topic "Hydrobenzoin"

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József, Károlyi. A műbenzingyártás története: A Magyar Hydrobenzin Rt. működése. Magyar Vegyészeti Múzeum, 1985.

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Book chapters on the topic "Hydrobenzoin"

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Manning, M. P., J. Warzywoda, O. Karahan, and A. Sacco. "Enantioselective adsorption of hydrobenzoin on zeolite beta." In Recent Advances in the Science and Technology of Zeolites and Related Materials Part B, Proceedings of the 14th International Zeolite Conference. Elsevier, 2004. http://dx.doi.org/10.1016/s0167-2991(04)80733-x.

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A. Waikar, Bushra, and Pallavi C. Mandave. "Berries: A New Paradigm for Nutraceuticals." In Edible Berries - New Insights [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1002226.

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The berries are edible, small, mushy fruit. Different types of berries available throughout the world are strawberry, blueberry, raspberry, mulberry, blackberry, cranberry, gooseberry, elderberry, huckleberry, black current, dewberry, etc. Berries are most commonly rich in phenolic compounds, like flavonoids (i.e. anthocyanins, flavonoids, cathechins), tannins (i.e. ellagitannins, proanthocyanidins), stilbenoids (i.e. resveratrol, piceatannol), phenolic acids (i.e. hydrobenzoic and acid derivatives) and lignans. The growing body of research supports the classification of berries as a functiona
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