Relevant bibliographies by topics / Malonic ester synthesis

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Academic literature on the topic 'Malonic ester synthesis'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Malonic ester synthesis"

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Makhmudiyarova, N. N., and I. R. Ishmukhametova. "Synthesis of new macrocyclic triperoxides." Журнал органической химии 59, no. 2 (2023): 243–49. http://dx.doi.org/10.31857/s0514749223020106.

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An efficient method has been developed for the synthesis of dialkyl hexaoxadispiroalkanedicarboxylates by the recyclization reaction of heptaoxadispiroalkanes with alkyl malonates (malonic acid dimethyl ester, malonic acid diethyl ester, malonic acid diisopropyl ester) under the action of lanthanide catalysts.
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Wasmi, Bilal A., Ahmed A. Al-Amiery, Abdul Amir H. Kadhum, and Abu Bakar Mohamad. "Novel Approach: Tungsten Oxide Nanoparticle as a Catalyst for Malonic Acid Ester Synthesis via Ozonolysis." Journal of Nanomaterials 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/715457.

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Malonic acid ester was synthesized via the one-step ozonolysis of palm olein. Malonic acid ester was spectroscopically characterized using gas chromatography mass spectroscopy (GC-MS). Tungsten oxide nanoparticles were used as the catalyst, which was characterized via X-ray powder diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). Tungsten oxide provided several advantages as a catalyst for the esterification malonic acid such as simple operation for a precise ozonation method, an excellent yield of approximately 10%, short reaction times of 2 h, and reusability due to
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3

Tang, Jing, and Xian Huang. "Novel and Efficient Solid-Phase Synthesis of 4,6-Disubstituted 4,5-Dihydro-3(2H)-Pyridazinones." Journal of Chemical Research 2003, no. 9 (2003): 599–600. http://dx.doi.org/10.3184/030823403322597784.

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The resin-bound 5-monosubstituted cyclic malonic ester 3 was generated and reacted with an α–bromoketone to give the corresponding 5,5-disubstituted cyclic malonic ester resin (4). Subsequent reaction with hydrazine resulted in cyclisation with concomitant cleavage from the polymeric support to release the final products, 4,6-disubstituted 4,5-dihydro-3(2 H)-pyridazinones, in good yield and high purity.
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Ogawa, K., K. Niisawa, and T. Nozaki. "Carbon-11 labelling by malonic ester synthesis." International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes 39, no. 6 (1988): 603. http://dx.doi.org/10.1016/0883-2889(88)90375-9.

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Fehér, Zsuzsanna, Dóra Richter, Sándor Nagy, et al. "Synthesis of Novel Crown Ether-Squaramides and Their Application as Phase-Transfer Catalysts." Molecules 26, no. 21 (2021): 6542. http://dx.doi.org/10.3390/molecules26216542.

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This work presents the synthesis of six new phase-transfer organocatalysts in which the squaramide unit is directly linked to the nitrogen atom of an aza-crown ether. Four chiral skeletons, namely hydroquinine, quinine, cinchonine (cinchonas), and α-d-glucopyranoside were responsible for the asymmetric construction of an all-carbon quaternary stereogenic center in α-alkylation and Michael addition reactions of malonic esters. We investigated the effects of these different chiral units and that of crown ethers with different sizes on catalytic activity and enantioselectivity. During extensive p
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Mondal, Santigopal, Santhivardhana Reddy Yetra, Atanu Patra, Sunita S. Kunte, Rajesh G. Gonnade та Akkattu T. Biju. "N-Heterocyclic carbene-catalyzed enantioselective synthesis of functionalized cyclopentenes via α,β-unsaturated acyl azoliums". Chem. Commun. 50, № 93 (2014): 14539–42. http://dx.doi.org/10.1039/c4cc07433e.

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7

Wolfe, Saul, Stephen Ro, Chan-Kyung Kim та Zheng Shi. "Synthesis and decarboxylation of Δ2-cephem-4,4-dicarboxylic acids". Canadian Journal of Chemistry 79, № 8 (2001): 1238–58. http://dx.doi.org/10.1139/v01-100.

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Penicillin V was converted in 14 steps into Δ2-cephems having hydrogen at C-3, hydrogen or ethyl at C-2, and two methoxycarbonyl, two benzyloxycarbonyl, or one methoxycarbonyl and one benzyloxycarbonyl substituent at C-4. Deprotection of these Δ2-cephem-4,4-dicarboxylic acid esters by alkaline hydrolysis (in the case of methyl esters) or hydrogenolysis (in the case of benzyl esters) led in all cases to rapid decarboxylation of the Δ2-cephem-4,4-dicarboxylic acid or Δ2-cephem-4,4-dicarboxylic acid monoester. With hydrogen at C-2, hydrolysis of the dimethyl ester with 1 equiv of base produced a
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8

Hoogenboom, Bernard E., Phillip J. Ihrig, Arne N. Langsjoen, Carol J. Linn, and Stephen D. Mulder. "The malonic ester synthesis in the undergraduate laboratory." Journal of Chemical Education 68, no. 8 (1991): 689. http://dx.doi.org/10.1021/ed068p689.

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Ogawa, Koji, Motoji Sasaki, and Tadashi Nozaki. "Malonic ester and acetoacetic ester synthesis of 2-[11,14C]methyl-fatty acids." Applied Radiation and Isotopes 48, no. 5 (1997): 623–30. http://dx.doi.org/10.1016/s0969-8043(96)00319-3.

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10

Mahajan, Pankaj S., Jyoti P. Mahajan, and Santosh B. Mhaske. "Malonic Ester Amide Synthesis: An Efficient Methodology for Synthesis of Amides." Synthetic Communications 43, no. 18 (2013): 2508–16. http://dx.doi.org/10.1080/00397911.2012.717671.

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Book chapters on the topic "Malonic ester synthesis"

1

"α-Substitution Reactions in Carboxylic Acids and Derivatives." In The Chemistry of Carbonyl Compounds and Derivatives. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670888-00381.

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The chemistry of carboxylic acid derivatives containing at least one hydrogen α to the carbonyl group is the focus of this chapter. The synthesis of β-ketoesters by the Claisen condensation illustrates the enolization and condensation processes guided by the pKa difference between the nucleophile and the product. The importance of malonic and acetoacetic esters for the preparation of carboxylic acids and derivatives (malonic ester synthesis) and ketones (acetoacetic ester synthesis) is presented. The biosynthetic relevance of the Claisen and Dieckmann condensations in the metabolism and the sy
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