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Relevant bibliographies by topics / Stobbe condensation

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Academic literature on the topic 'Stobbe condensation'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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Journal articles on the topic "Stobbe condensation"

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Banerjee, Shubhra, Ravibabu A. Tayade, and Bhagyashree D. Sharma. "Green Synthesis of Acid Esters from Furfural via Stobbe Condensation." Journal of Chemistry 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/152370.

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Solvent-free Stobbe condensation of furfural1with dimethyl succinate2under anhydrous conditions at room temperature using dry-solid potassium tertiary butoxide gave 3-carbomethoxy, 4-furyl-3-butenoic acid3, which upon methylation followed by Stobbe condensation reaction with different aldehydes and/or ketones under anhydrous conditions at room temperature afforded substituted carbomethoxy acids5a–f. These acid ester products were saponified to the corresponding dicarboxylic acids6a–fwhich are useful in the synthesis of photochromic fulgides.

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GEETA, GUPTA, and BANERJEE SHUBHRA. "Cyclisation of Stobbe Condensation Products." Journal of Indian Chemical Society Vol. 68, Feb 1991 (1991): 100–102. https://doi.org/10.5281/zenodo.6133601.

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Department of Chemistry, Institute of Science, Nagpur-440 001 <em>Manuscript received 10 April 1990, revised 10 October 1990, accepted 14 January 1991</em> STOBBE condensation of benzhydrilidenesuccinatea with ketones gave methyl 2-benzhydrilidene-3-carboxy-3-alkylidene butenoate which on saponification yielded 2-benzhydrilidene-3-carboxy-3-alkylidene butenoic acids (2e--h). In general, <em>E-s-trans</em>-structure,.was fixed for these acidsl. However, a free rotation is possible at C-C single bond between two double bonds giving possibility of <em>s-cis</em>-orientation too. Based on these concepts, molecular structures are fixed for the products obtained by cyclisation reactions with their anhydrides.   

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GEETA, GUPTA, and BANERJEE SHUBHRA. "Stobbe Condensation with Ethyl Methyl Ketone." Journal of Indian Chemical Society Vol. 68, Jun 1991 (1991): 362–63. https://doi.org/10.5281/zenodo.6157952.

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Department of Chemistry, Institute of Science, Nagpur-440 001 <em>Manuscript received 29 October 1990, revised 1 April 1991, </em><em>accepted 13 May 1991</em> Stobbe Condensation with Ethyl Methyl Ketone.

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Cow, Christopher, Carmen Leung, and James L. Charlton. "Antiviral activity of arylnaphthalene and aryldihydronaphthalene lignans." Canadian Journal of Chemistry 78, no. 5 (2000): 553–61. http://dx.doi.org/10.1139/v00-059.

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A practical method for large scale synthesis of 1-arylnaphthalene and 1-aryl-1,2-dihydronaphthalene lignans is described. The method makes use of the classic Stobbe condensation followed by regioselective reactions that provide access to both the common and retrolactone lignans, e.g., 2 and 3. A total of 25 compounds, many of which are known natural products, were prepared and their antiviral activity against human cytomegalovirus measured.Key words: lignan, Stobbe, arylnaphthalene, antiviral.

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F., A. YASSIN, A. AHMED GAMAL, and Y. MOSTAFA H. "Synthesis of some New Pyridazinonyl, Naphthyl and Benzofluorenonyl Derivatives via Stobbe Condensation Reaction." Journal of Indian Chemical Society Vol. 73, Nov 1996 (1996): 620–22. https://doi.org/10.5281/zenodo.5918292.

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Chemistry Department, Faculty of Science, Zagazig University, Zagazig, Egypt <em>Manuscript received 10 January 1994, revised 27 January 1995, accepted 2 March 1995</em> Synthesis of some New Pyridazinonyl, Naphthyl and Benzofluorenonyl Derivatives via Stobbe Condensation Reaction.

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Tanaka, Koichi, Teizo Sugino, and Fumio Toda. "Selective Stobbe condensation under solvent-free conditions." Green Chemistry 2, no. 6 (2000): 303–4. http://dx.doi.org/10.1039/b006565j.

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GUPTA, G., and S. BANERJEE. "ChemInform Abstract: Cyclization of Stobbe Condensation Products." ChemInform 23, no. 25 (2010): no. http://dx.doi.org/10.1002/chin.199225136.

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Shubhra, Banerjee, and D. Sharma Bhagyashree. "Facile synthesis of chalcone derivatized hexatrienes via Stobbe condensation." Journal of Indian Chemical Society Vol. 89, May 2012 (2012): 647–52. https://doi.org/10.5281/zenodo.5763203.

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Department of Chemistry, Institute of Science, Nagpur-440 001, Maharashtra, India <em>E-mail</em> : shubhrais@rediffmail.com <em>Manuscript received 10 March 2010, revised 10 August 201 I. accepted 19 September 2011</em> In course of studies on the solvent-free Stobbe condensation, the acid-esters, methyl hydrogen 2-(1,3- diphenylpropen-3-ylidene)butanedioate and methyl hydrogen 2-alkylidene-3-(1,3-diphenylpropen-3-ylidene)butanedioate were synthesized, which could be successfully saponified to the corresponding diacid; 2-(1,3-diphenylpropen-3-ylidene)butane dioic acid and 2-alkylidene-3-(1,3-diphenylpropen-3-ylidene)butane dioic acid respectively. The diacids were cyclized to corresponding anhydrides, which were taken for photochromic studies.

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Baghos, Victorine B., S. H. Doss, and E. F. Eskander. "SYNTHESIS OF POTENTIALLY BIOLOGICALLY ACTIVE COMPOUNDSviaTHE STOBBE CONDENSATION." Organic Preparations and Procedures International 25, no. 3 (1993): 301–7. http://dx.doi.org/10.1080/00304949309457964.

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GUPTA, G., and S. BANERJEE. "ChemInform Abstract: Stobbe Condensation with Ethyl Methyl Ketone." ChemInform 23, no. 17 (2010): no. http://dx.doi.org/10.1002/chin.199217126.

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Dissertations / Theses on the topic "Stobbe condensation"

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FORZATO, CRISTINA. "UTILIZZO DELLE BIOCONVERSIONI NELLA SINTESI DI GAMMA-LATTONI CONDENSATI E NON CONDENSATI, OTTICAMENTE ATTIVI." Doctoral thesis, Università degli studi di Trieste, 1996. http://thesis2.sba.units.it/store/handle/item/12953.

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Book chapters on the topic "Stobbe condensation"

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Li, Jie Jack. "Stobbe condensation." In Name Reactions. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05336-2_290.

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Li, Jie Jack. "Stobbe condensation." In Name Reactions. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03979-4_266.

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Li, Jie Jack. "Stobbe condensation." In Name Reactions. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04835-1_278.

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Li, Jie Jack. "Stobbe condensation." In Name Reactions. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_248.

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Li, Yongxiang, Lijuan Yang, Xiao Li, Yongfei Li, Qiang Zhang, and Shoude Pang. "Mechanical Properties and Micromechanism of Geopolymers to Replace Cement Stabilized Crushed Stone." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1748-8_4.

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AbstractIn order to realize the resource utilization of solid waste, the principle of alkali excitation is used to prepare geopolymers with fly ash, mineral powder and wet carbide slag as the main materials to replace part of the cement as the cementing material for the pavement base. Geopolymer-stabilized crushed stone was prepared by compounding cement and aggregate with geopolymer, and the unconfined compression strength, indirect tensile strength, compression rebound modulus, scour resistance and microscopic X-ray diffraction (XRD) and scanning electron microscopy (SEM) tests were carried out to study the effect of the change of geopolymer content on the mechanical properties of geopolymer-stabilized crushed stone and its mechanism. The test results show that when adding 30% geopolymer, the mechanical properties similar to those of cement can be obtained to a certain extent. XRD and SEM analysis showed that the geopolymer provided appropriate amount of silico-alumina and calcareous components to form calcium silicate hydrate (C–S–H) and calcium silicate (aluminum) hydrate (C–(A) –S–H) condensation. The glue can form a dense structure and increase the strength of the mixture.

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Vanderwal, C. D., and E. N. Jacobsen. "Stobbe Condensation." In Three Carbon-Heteroatom Bonds: Acid Halides; Carboxylic Acids and Acid Salts. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-020-01246.

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Banerjee, Shubhra, Bhagyashree Chari, and Ravibabu Tayde. "Solvent - Free Synthesis of Substituted Dicarboxylic Acids from Stobbe Condensation: A Novel Approach." In Recent Developments in Chemistry and Biochemistry Research Vol. 8. BP International, 2024. https://doi.org/10.9734/bpi/rdcbr/v8/2846.

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Dell, C. P. "By Stobbe and Related Condensations." In Fused Five-Membered Hetarenes with One Heteroatom. Georg Thieme Verlag KG, 2001. http://dx.doi.org/10.1055/sos-sd-010-00085.

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Masse, C. E. "Succinate Esters by Stobbe Condensations." In Three Carbon-Heteroatom Bonds: Acid Halides; Carboxylic Acids and Acid Salts. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-020-00964.

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Taber, Douglass. "Enantioselective Construction of Alkylated Centers." In Organic Synthesis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199764549.003.0039.

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Unsaturated half acid esters such as 1 are readily prepared by Stobbe condensation between dialkyl succinate and an aldehyde. Johannes G. de Vries of DSM and Floris P. J. T. Rutjes of Radboud University Nijmegen observed (Adv. Synth. Catal. 2008, 350, 85) that these acids were excellent substrates for enantioselective hydrogenation. Kazuaki Kudo of the University of Tokyo designed (Organic Lett. 2008, 10, 2035) a resin bound peptide catalyst for the transfer reduction of unsaturated aldehydes such as 3 , using 4 as the net H2 donor. Note that 5 was produced with high enantiocontrol from 3 that was a ~ 2:1 mixture of geometric isomers. Motomu Kanai and Masakatsu Shibasaki of the University of Tokyo devised (J. Am. Chem. Soc. 2008, 130, 6072) a chiral Gd catalyst that mediated the conjugate cyanation of enones such as 6 with high ee. Eric N. Jacobsen of Harvard University prepared (Angew. Chem. Int. Ed. 2008, 47, 1762) a dimeric Al salen catalyst that showed improved activity over the monomeric catalysts. Even congested imides such as 8 could be cyanated efficiently, delivering alkylated quaternary stereogenic centers. Takahiro Nishimura and Tamio Hayashi of Kyoto University optimized (J. Am. Chem. Soc. 2008, 130, 1576) the Rh*-catalyzed enantioselective conjugate addition of silyl acetylenes to enones such as 10, to give 12. Adriaan J. Minnaard and Ben L. Feringa of the University of Groningen devised (Angew. Chem. Int. Ed. 2008, 47, 398) conditions for the enantioselective 1,6-conjugate addition of alkyl Grignard reagents to diene esters such as the inexpensive ethyl sorbate 14. The product 16 incorporated, in addition to the newly formed stereogenic center, a geometrically defined E alkene. William S. Bechara and André B. Charette of the Université de Montréal found (Organic Lett. 2008, 10, 2315) that alkyl Grignard reagents could be induced to add with high enantioselectivity to pyridyl sulfones such as 17. In a different approach, Gregory C. Fu of MIT developed (J. Am. Chem. Soc. 2008, 130, 3302; J. Am. Chem. Soc. 2008, 130, 2756) conditions for the enantioselective alkenylation of racemic bromo esters such as 19, The latter reference is to the analogous enantioselective coupling of organozinc bromides with racemic allylic chlorides.

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Conference papers on the topic "Stobbe condensation"

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Wyrwas, R. B., B. J. Wiersma, S. T. Arm, K. D. Boomer, and A. J. Kim. "Development of a Corrosion Control Program for Liquid Radioactive Wastes Stored in Carbon Steel Waste Tanks." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09688.

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Abstract Large underground, carbon steel tanks are used for interim storage of liquid radioactive waste at the Hanford site. The Hanford Waste Treatment and Immobilization Plant (WTP) is being constructed to treat the high-level waste (HLW) and low-activity waste (LAW) stored in the tanks. Secondary waste will be generated by condensation and scrubbing of the LAW melter off-gas stream. A portion of this stream, which will contain substantial amounts of chloride, fluoride, ammonia, and sulfate ions, may be returned to the tank farms for storage and evaporation. Presently, there are no restrictions on the halide or sulfate concentrations of this return stream prior to transferring to the carbon steel waste tanks. Prior to initiating the process, the current corrosion control program needs to be updated to account for the susceptibility to pitting corrosion of waste tanks due to the halide content of the secondary waste. Cyclic potentiodynamic polarization tests were utilized to determine the nitrite inhibitor requirements needed to safely receive and store the secondary waste.

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Wyrwas, R. B., B. J. Wiersma, S. T. Arm, K. D. Boomer, and A. J. Kim. "Development of a Corrosion Control Program for Hanford Waste Treatment Plant Recycle Strategy." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11455.

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Abstract The Hanford Nuclear Reservation uses large underground, carbon steel tanks for interim storage of liquid radioactive waste. The Hanford Waste Treatment and Immobilization Plant (WTP) is being constructed to treat the high-level waste (HLW) and low-activity waste (LAW) in the tank. The WTP LAW recycle stream will be generated by condensation and scrubbing of the LAW melter off-gas stream. A portion of this stream, which will contain substantial amounts of chloride, fluoride, ammonia, and sulfate ions, may be returned to the tank farms for storage and evaporation. Presently, there are no restrictions on the halide or sulfate concentrations of this return stream prior to transferring to the carbon steel waste tanks. Prior testing has shown the waste tanks would be susceptible to pitting corrosion due to the halide contents of the return stream compositions investigated without adequate inhibitor concentrations. Cyclic potentiodynamic polarization tests were performed with statistically designed compositional test matrices to determine and optimize the nitrite inhibitor requirements needed to safely store and process the return stream in the waste tanks.

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Upadhyay, Vinod, Julio Mendez, Siva Palani, Alan Rose, and Keith Legg. "Corrosion Susceptibility Prediction and Lifetime Extension of Nuclear Dry Storage Canister Using Weather Data." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19441.

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Abstract The U.S. Energy Information Administration estimates that the annual use of nuclear energy for electricity generation in the US is almost 20 % as of 2021. However, the used nuclear fuel rods require a safe storage strategy because they are still radioactive. For the first few years they are stored underwater and then transferred to interim dry cask storage systems (DCSS), consisting of welded stainless-steel cylinders designed to safely store the fuel for a few decades. In the absence of any permanent safe storage strategy these DCSS are expected to be used much longer. With time the fuel rods within the Dry Storage Canister (DSC) of a DCSS system cool and allow condensation. The atmosphere around the DSC becomes favorable for corrosion such as galvanic, pitting, and stress corrosion cracking especially for DSCs in coastal locations. The challenge is therefore to protect DSC welds from corrosion and enhance its lifetime. To this effort we have built a computational model using weather data to predict corrosion in the DSC. We have then investigated electrochemically and computationally the likelihood of corrosion, have evaluated a technology, and coating systems that can be used to extend protection of the DSC, and discussed the findings.

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Harding, Gregory, and Kyle Barton. "Predicting Aircraft Flowfield Induced Water Vapor Condensation for Store Separation Flight Tests." In 25th AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-4169.

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Petropavlovskii, Kirill, Victoria Petropavlovskaya, Tatiana Novichenkova, Mihail Sulman, and Maria Zavadko. "PHYSICO-CHEMICAL REGULARITIES OF FORMATION STRUCTURES OF NON-FIRED GYPSUM MODIFIED STONE." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/4.1/s18.24.

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Gypsum-based materials and products currently deserve special attention from specialists in many industries. They are distinguished by high environmental friendliness, manufacturability and safety. The construction industry is showing additional interest in their increased comfort, reduced sound insulation and thermal insulation. Obtaining crystallization structures directly from gypsum dihydrate using a non-hydration hardening scheme competes with many modern technological approaches. In the production of non-firing gypsum binders, CO2 and other toxic substances are not released into the environment, energy costs are sharply reduced. The control of structure formation of unfired gypsum structures is based on the principles of condensation hardening of compacted powders. As basic analytical regularities, the equations of Thompson (Kelvin), A.N. Shchukarev, A.F. Polak et al. Regulation of dispersion of calcium sulfate dihydrate powders and directed control of structural characteristics is achieved by mathematical modeling of the internal structure of the gypsum matrix. With the introduction of additional finely dispersed aluminumcontaining fillers into the gypsum matrix, an increase in the density of the structure and a significant increase in strength are observed. The gypsum structure with dense packing of grains is characterized by an increase in the area of contacts between crystallite structures. This is reflected in the physical and mechanical characteristics of the modified matrix structure of the composite. The synthesis of non-firing composites with previously unattainable properties is due to the targeted impact on the structure formation of non-hydration systems. An optimal combination of properties is achieved in accordance with the purpose and scope of non-firing materials

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Panthalookaran, Varghese, and Neeraj Nair. "On Design of a Buoyancy-Driven Solar Combi-System for Simultaneous Production of Drinking Water and Hot Water." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62239.

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The nexus between availability of solar energy and nonavailability of drinking water is well known. Drinking water scarcity is prevalent in regions where sun shines heavily, which provides an ideal condition for exploiting available solar insolation to produce potable water. When combined with the production of hot water, it could lead to the optimum use of solar energy. The same system can be preferentially used to produce drinking water during hot and dry summer and hot water in cold and wet winter. The current paper describes a work in progress to design a solar combi-system that meets the drinking water and hot water needs of small households in coastal India. The solar distillation operates based on an open humidification-dehumidification cycle. Efficient solar combi-collectors are used to produce hot and dry air and hot water simultaneously. The hot air blasts into the evaporation chamber, which consists of structures to optimize evaporation of the hot water. This allows enhanced humidification of dry air. The condensation chamber efficiently dehumidifies or condenses the saturated air to yield distilled water. The water thus produced is made potable with proper mineralization. A hot water heat store preserves hot water to be fed into the evaporator as well as to the hot water pipeline. The combi-system planned for a small household with approximately 10 liters of drinking water requirement per day and proportionate hot water requirement. The complete system is designed to be driven entirely by the buoyancy forces, without any moving parts.

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Hendricks, Terry J., Bill J. Nesmith, and Jonathan Grandidier. "Temperature-Staged Thermal Energy Storage Enabling Low Thermal Exergy Loss Reflux Boiling in Full Spectrum Solar Systems." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67013.

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Hybrid full spectrum solar systems (FSSS) designed to capture and convert the full solar wavelength spectrum use hybrid solar photovoltaic/thermodynamic cycles that require low thermal exergy loss systems capable of transferring high thermal energy rates and fluxes with very low temperature differentials and losses. One approach to achieving this capability are high-heat-flux reflux boiling systems that take advantage of high heat transfer boiling and condensation mechanisms. Advanced solar systems are also intermittent by their nature and their electrical generation is often out-of-phase with electric utility power demand, and their required power system cycling reduces efficiency, performance (dispatchability), lifetime, and reliability. High temperature thermal energy storage (TES) at 300–600°C enables these reflux boiling systems to simultaneously store thermal energy internally to increase the energy dispatchability of the associated solar system, as this can increase the power generation profile by several hours (up to 6–10 hours) per day. Many TES phase change materials (PCM’s) exist including KNO3, NaNO3, LiBr/KBr, MgCl2/NaCl/KCl, Zn/Mg, and CuCl/NaCl, which have various operating melting points and different latent heats of fusion. Common, cost effective TES PCM’s are FeCl2/NaCl/KCl mixtures, whose phase change temperature can be varied and controlled by simple composition adjustments. This paper presents and discusses unique “temperature-staged” thermal energy storage configurations using these TES materials and analysis of such systems integrated into high-heat-flux reflux boiling systems. In this specific application, the TES materials are designed to operate at staged temperatures surrounding an operating design point near 350°C, while providing 18 kW of source heat transfer to operate a thermoacoustic power system during off-sun conditions (e.g., temporary cloud conditions, after sun-down). This work discusses relevant configurations, and critical thermal and entropy models of the TES configurations, which show the inherent minimization of thermal exergy during critical heat transfers within the configurations and systems envisioned.

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