Academic literature on the topic 'Synthon'

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Journal articles on the topic "Synthon"

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Koča, Jaroslav. "A mathematical model of the synthon." Collection of Czechoslovak Chemical Communications 53, no. 5 (1988): 1007–17. http://dx.doi.org/10.1135/cccc19881007.

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A mathematical model of the synthon is suggested. The term synthon is used to denote one or several molecules or their part(s) with free valences. The notion of isomeric synthons on a set of atoms A and that of the Family of Isomeric Synthons FIS(A) are introduced. Matrix operators are defined for modelling the elementary steps of reorganization of electrons during reactions. A new notion of the reaction distance of isomeric synthons is introduced as the smallest number of elementary steps of reorganization of electrons during the reaction transforming one synthon into another.
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Saha, Subhankar, Somnath Ganguly, and Gautam R. Desiraju. "Graded IR Filters: Distinguishing Between Single and Multipoint NO2···I Halogen Bonded Supramolecular Synthons (P, Q, and R Synthons)." Australian Journal of Chemistry 67, no. 12 (2014): 1840. http://dx.doi.org/10.1071/ch14361.

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The NO2···I supramolecular synthon is a halogen bonded recognition pattern that is present in the crystal structures of many compounds that contain these functional groups. These synthons have been previously distinguished as P, Q, and R types using topological and geometrical criteria. A five step IR spectroscopic sequence is proposed here to distinguish between these synthon types in solid samples. Sets of known compounds that contain the P, Q, and R synthons are first taken to develop IR spectroscopic identifiers for them. The identifiers are then used to create graded IR filters that sieve
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Bolla, Geetha, Sudhir Mittapalli, and Ashwini Nangia. "Modularity and three-dimensional isostructurality of novel synthons in sulfonamide–lactam cocrystals." IUCrJ 2, no. 4 (2015): 389–401. http://dx.doi.org/10.1107/s2052252515004960.

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The design of novel supramolecular synthons for functional groups relevant to drugs is an essential prerequisite for applying crystal engineering in the development of novel pharmaceutical cocrystals. It has been convincingly shown over the past decade that molecular level control and modulation can influence the physicochemical properties of drug cocrystals. Whereas considerable advances have been reported on the design of cocrystals for carboxylic acids and carboxamide functional groups, the sulfonamide group, which is a cornerstone of sulfa drugs, is relatively unexplored for reproducible h
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Garg, Utsav, Yasser Azim, Aranya Kar, and Chullikkattil P. Pradeep. "Cocrystals/salt of 1-naphthaleneacetic acid and utilizing Hirshfeld surface calculations for acid–aminopyrimidine synthons." CrystEngComm 22, no. 17 (2020): 2978–89. http://dx.doi.org/10.1039/d0ce00106f.

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Koča, Jaroslav. "A graph model of the synthon." Collection of Czechoslovak Chemical Communications 53, no. 12 (1988): 3108–18. http://dx.doi.org/10.1135/cccc19883108.

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A graph model of the synthon (SR-graph) is devised and a procedure for the construction of the minimal graphs of reactions of synthons (SR-graphs) is suggested. Chemical examples illustrating the application of this model are given.
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Bombicz, Petra, Tobias Gruber, Conrad Fischer, Edwin Weber, and Alajos Kálmán. "Fine tuning of crystal architecture by intermolecular interactions: synthon engineering." CrystEngComm 16, no. 18 (2014): 3646–54. http://dx.doi.org/10.1039/c3ce42387e.

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The term “synthon engineering” is introduced for the directed manipulation of the molecular packing architecture including the system of secondary interactions caused by the respectively fine tuned synthons.
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Dubey, Ritesh, and Gautam R. Desiraju. "Combinatorial selection of molecular conformations and supramolecular synthons in quercetin cocrystal landscapes: a route to ternary solids." IUCrJ 2, no. 4 (2015): 402–8. http://dx.doi.org/10.1107/s2052252515009884.

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The crystallization of 28 binary and ternary cocrystals of quercetin with dibasic coformers is analyzed in terms of a combinatorial selection from a solution of preferred molecular conformations and supramolecular synthons. The crystal structures are characterized by distinctive O—H...N and O—H...O based synthons and are classified as nonporous, porous and helical. Variability in molecular conformation and synthon structure led to an increase in the energetic and structural space around the crystallization event. This space is the crystal structure landscape of the compound and is explored by
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Sarma, Bipul, and Basanta Saikia. "Hydrogen bond synthon competition in the stabilization of theophylline cocrystals." CrystEngComm 16, no. 22 (2014): 4753–65. http://dx.doi.org/10.1039/c3ce42332h.

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In the preparation of theophylline cocrystals, phenol coformers facilitate water assimilation due to their weaker O–H⋯N(imidazole) synthon. The presence of –COOH prevents water incorporation and provides added physical stability at high humidity. This study shows the feasibility of cocrystal design of an API to tune physical properties based on hydrogen bond synthons.
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Sandhu, Bhupinder, Ann McLean, Abhijeet S. Sinha, John Desper, and Christer B. Aakerӧy. "Assessment of Computational Tools for Predicting Supramolecular Synthons." Chemistry 3, no. 2 (2021): 612–29. http://dx.doi.org/10.3390/chemistry3020043.

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The ability to predict the most likely supramolecular synthons in a crystalline solid is a valuable starting point for subsequently predicting the full crystal structure of a molecule with multiple competing molecular recognition sites. Energy and informatics-based prediction models based on molecular electrostatic potentials (MEPs), hydrogen-bond energies (HBE), hydrogen-bond propensity (HBP), and hydrogen-bond coordination (HBC) were applied to the crystal structures of twelve pyrazole-based molecules. HBE, the most successful method, correctly predicted 100% of the experimentally observed p
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Malytskyi, Volodymyr, Juliette Moreau, Maité Callewaert, et al. "Synthesis and Characterization of Conjugated Hyaluronic Acids. Application to Stability Studies of Chitosan-Hyaluronic Acid Nanogels Based on Fluorescence Resonance Energy Transfer." Gels 8, no. 3 (2022): 182. http://dx.doi.org/10.3390/gels8030182.

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Hyaluronic acid (HA) was functionalized with a series of amino synthons (octylamine, polyethylene glycol amine, trifluoropropyl amine, rhodamine). Sodium hyaluronate (HAs) was first converted into its protonated form (HAp) and the reaction was conducted in DMSO by varying the initial ratio (−NH2 (synthon)/COOH (HAp)). HA derivatives were characterized by a combination of techniques (FTIR, 1H NMR, 1D diffusion-filtered 19F NMR, DOSY experiments), and degrees of substitution (DSHA) varying from 0.3% to 47% were determined, according to the grafted synthon. Nanohydrogels were then obtained by ion
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Dissertations / Theses on the topic "Synthon"

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Aljabali, Alaa Ahmed. "CPMV as synthon and template in bionanotechnology." Thesis, University of East Anglia, 2011. https://ueaeprints.uea.ac.uk/37403/.

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Odounga, Jean-Eudes Odounga. "Synthon formation in inclusion compounds of Phenylsuccinic acid." Thesis, Cape Peninsula University of Technology, 2019. http://hdl.handle.net/20.500.11838/2986.

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Thesis (MSc (Chemistry))--Cape Peninsula University of Technology, 2019<br>The effect of chirality was investigated on selected physico-chemical properties by designing, synthesizing and analysing a series of racemic multicomponent crystals and their chiral counterparts. Eleven new crystalline materials were synthesised by combining phenylsuccinic acid (racemate or the S-enantiomer), a dicarboxylic acid, with primary or aromatic amines (aniline, pyridine, 4-picoline, 2,4-lutidine, 3,4-lutidine and 3,5-lutidine) and a drug pyrazine carboxamide (PCA). The carboxylic acids were combined with the
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Cattaneo, Cristian. "Synthesis of conformationally restricted amino acids and their use in the preparation of biologically active peptides and peptidomimetics." kostenfrei, 2008. http://epub.uni-regensburg.de/13389/.

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Xu, Rui. "The phenyl-perfluorophenyl interaction as a supramolecular synthon for topochemical polymerizations /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17718.

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Lederer, Alexander. "Carbanionisch vermittelte "Methylen"-Insertionen mit N, N-Dimethylformamid als C1-Synthon." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963096699.

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Nadarajah, Sivakumar. "Synthesis and reactions of a 2-cyclopenten-1-one d³ synthon." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26010.

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This thesis describes the preparation of 3-trimethylstannyl-2-cyclo-penten-1-one 14 via the higher order stannylcuprate 78, a new reagent prepared to convert 3-iodo-2-cyclopenten-1-one 75 to the desired product. The observations made from this chemistry led to the development of "one-pot" cuprate formation which was demonstrated to be a viable and practically convenient way to generate such species compared with traditional methods. This thesis also describes the preparation of 3-tert-butyldimethyl-siloxy-1-trimethylstannylcyclopentene 83, its conversion into the corresponding lithio species,
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Ohnemüller, Ulrike. "Effiziente Synthese hochsubstituierter enantiomerenreiner Cyclohexenone und Tetrahydroxanthenone." Berlin Logos-Verl, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2793052&prov=M&dok_var=1&dok_ext=htm.

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Lemoine, Hugues. "Les sécoiridoïdes d’Olea europaea et du Lonicera tatarica : matières premières destinées à la conception de nouveaux synthons chiraux pour la synthèse de composés biologiquement actifs et outils pour le développement de nouvelles méthodes d’extraction et de synthèse." Thesis, Paris 5, 2012. http://www.theses.fr/2012PA05P630/document.

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Les sécoiridoïdes sont des monoterpènes hautement fonctionnalisés utilisés comme matières premières chirales renouvelables en hémisynthèse, lorsqu’ils sont abondants au sein des végétaux. Un nouveau procédé vert d’extraction aqueuse et de purification utilisant des résines et la chromatographie de partage centrifuge a permis l’isolement de plus de 100 g d’oleuropéine des feuilles d’Olea europaea et d’une douzaine de grammes de sécologanoside et de sweroside des feuilles de Lonicera tatarica. L’ouverture de la lactone du perpivaloylsweroside a été effectuée en milieu organique apolaire par le T
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Gollins, David William. "The use of 2-azetidinone-4-carboxylic acid as a chiral synthon." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386889.

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Akbasoglu, Naime. "Synthesis Of Linkers And Mediators For Electrochemical Reactor Design And Enantiopure Synthon Preparation." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610930/index.pdf.

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The production of enantiopure compounds can be achieved by using dehydrogenases as biocatalysts catalyzing reduction reactions of prochiral compounds such as ketones, aldehydes and nitriles. These dehydrogenases are cofactor dependent enzyme where cofactor is Nicotinamide dinucleotite having some restrictions that limits usage of dehydrogenases in organic synthesis including instability of cofactor in water and high cost. Therefore suitable regeneration method is needed and developed which are enzymatic and electrochemical. We will use an electrochemical approach for the regeneration of reduce
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Books on the topic "Synthon"

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Koča, J., M. Kratochvíl, L. Matyska, V. Kvasnička, and J. Pospíchal. Synthon Model of Organic Chemistry and Synthesis Design. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-93416-2.

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Jaroslav, Koča, ed. Synthon model of organic chemistry and synthesis design. Springer-Verlag, 1989.

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Sulphones in organic synthesis. Pergamon, 1993.

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Soloshonok, Vadim A., ed. Fluorine-Containing Synthons. American Chemical Society, 2005. http://dx.doi.org/10.1021/bk-2005-0911.

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Bols, Mikael. Carbohydrate building blocks. J. Wiley, 1996.

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Witczak, Zbigniew J., and Kuniaki Tatsuta, eds. Carbohydrate Synthons in Natural Products Chemistry. American Chemical Society, 2002. http://dx.doi.org/10.1021/bk-2003-0841.

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Ouali, Dehimi. Enantioselective synthesis of novel Corynanthe indole alkaloid synthons. University of Salford, 1991.

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Synth gods. Backbeat Books, 2011.

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Goldfield, Paul. Recording, syncing and synths. Alexander Publishing, 1988.

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1947-, Witczak Zbigniew J., Tatsuta Kuniaki 1940-, American Chemical Society. Division of Carbohydrate Chemistry., and American Chemical Society Meeting, eds. Carbohydrate synthons in natural products chemistry: Synthesis, functionalization, and applications. American Chemical Society, 2003.

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Book chapters on the topic "Synthon"

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Koča, J., M. Kratochvíl, L. Matyska, V. Kvasnička, and J. Pospíchal. "The Applied Synthon Model." In Lecture Notes in Chemistry. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-93416-2_4.

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Koča, J., M. Kratochvíl, L. Matyska, V. Kvasnička, and J. Pospíchal. "Mathematical Model of Synthon Reactions." In Lecture Notes in Chemistry. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-93416-2_5.

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Mikami, Koichi, Yoshimitsu Itoh, and Masahiro Yamanaka. "Fluorinated Synthon: Asymmetric Catalytic Reactions." In ACS Symposium Series. American Chemical Society, 2005. http://dx.doi.org/10.1021/bk-2005-0911.ch020.

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Desiraju, Gautam R. "The Supramolecular Synthon in Crystal Engineering." In Stimulating Concepts in Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527605746.ch19.

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Koča, J., M. Kratochvíl, L. Matyska, V. Kvasnička, and J. Pospíchal. "The Synthon Model and Organic Synthesis." In Lecture Notes in Chemistry. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-93416-2_6.

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Shelly, Kenneth, M. Frederick Hawthorne, and Carolyn B. Knobler. "Carbonyl Nonahydrodecaborate(1-): A Versatile Synthon for Functionalized Borane Anions." In Advances in Neutron Capture Therapy. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2978-1_68.

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Srinivasan, Ananth, and Michelle A. Schmidt. "Tri-t-butyl-DTPA: A versatile synthon for the preparation of DTPA-containing peptides by solid phase." In Peptides Frontiers of Peptide Science. Springer Netherlands, 2002. http://dx.doi.org/10.1007/0-306-46862-x_110.

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Müller, Robert K. "Polyene Synthons." In Carotenoids. Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9323-7_8.

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Fu, Yanwen, Lars G. J. Hammarström, Tod J. Miller, Mark L. McLaughlin, and Robert P. Hammer. "Ethyl Nitroacetate as a Useful Synthon for the Synthesis of Orthogonally Protected, Poly-Functional Cαα-Disubstituted Amino Acids." In Peptides: The Wave of the Future. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0464-0_11.

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Knaup, Guenter, Karlheinz Drauz, and Michael Schwarm. "O-Acetyl-L-homoserine: A versatile synthon for the synthesis of L-homoserine peptides and 3-amino-2-pyrrolidinones." In Peptides for the New Millennium. Springer Netherlands, 2002. http://dx.doi.org/10.1007/0-306-46881-6_23.

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Conference papers on the topic "Synthon"

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Bonin, Marc-Andre, Pierre Baillargeon, Martin Lepage, and Witold A. Neugebauer. "Synthesis of a Double Marker Synthon (NMR and Fluorescent) for Peptide Labeling." In The Twenty-Third American and the Sixth International Peptide Symposium. Prompt Scientific Publishing, 2013. http://dx.doi.org/10.17952/23aps.2013.236.

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Shkineva, Tatyana, Irina Vatsadze, and Igor Dalinger. "5-AMINO-3,4-DINITROPURAZOLE – A KEY SYNTHON FOR OBTAINING FUNCTIONALLY SUBSTITUTED PYRAZOLO[1,5-a]PYRIMIDINES." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m782.aks-2019/313-315.

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Uray, Georg, та Constanze Bergt. "trans -(9,10)-Dihydro-11-Aminoethanoanthracene-12-Carboxylic Acid (AMEAC), A New Synthon For γ-Peptides". У The 4th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2000. http://dx.doi.org/10.3390/ecsoc-4-01878.

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Sun, Changfeng, Yanyan Pang, and Ruixin Chen. "Supramolecular assembly by co-crystallization of fumaric acid with 1H-benzotriazole: crystal structure and synthon cooperation." In 2015 4th International Conference on Mechatronics, Materials, Chemistry and Computer Engineering. Atlantis Press, 2015. http://dx.doi.org/10.2991/icmmcce-15.2015.167.

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Plourde, Marc-Antoine, and Sylvain Hallé. "Synthia." In ICSE '22: 44th International Conference on Software Engineering. ACM, 2022. http://dx.doi.org/10.1145/3510454.3516834.

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Kletsch, Anke. "Synthie forest." In SIGGRAPH '15: Special Interest Group on Computer Graphics and Interactive Techniques Conference. ACM, 2015. http://dx.doi.org/10.1145/2745234.2746692.

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Flores, Marcel, and Aleksandar Kuzmanovic. "Synthoid: Endpoint User Profile Control." In 2014 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT). IEEE, 2014. http://dx.doi.org/10.1109/wi-iat.2014.104.

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Hamido, Omar Costa, Giovanni Amedeo Cirillo, and Edoardo Giusto. "Quantum synth." In AM'20: Audio Mostly 2020. ACM, 2020. http://dx.doi.org/10.1145/3411109.3411135.

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Dinesh, Sushant, Grant Garrett-Grossman, and Christopher W. Fletcher. "SynthCT: Towards Portable Constant-Time Code." In Network and Distributed System Security Symposium. Internet Society, 2022. http://dx.doi.org/10.14722/ndss.2022.24215.

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Khan, Mohd Shahnawaz, Saba Parveen Siddiqui, and Daya Seth. "Reactive methylene compounds as synthons for various bio active molecules." In The 19th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2015. http://dx.doi.org/10.3390/ecsoc-19-a050.

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Reports on the topic "Synthon"

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Hooker, Jacob M. Synthesis and use of 2-[18F]fluoromalondialdehyde, an accessible synthon for bioconjugation. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1346940.

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