Relevant bibliographies by topics / Cyclopropane 1,2,3-substitué

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Cyclopropane 1,2,3-substitué'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Cyclopropane 1,2,3-substitué"

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Sun, Na-Bo, Guo-Wu Rao, and Jian-Bo Chu. "1-{[3-(2-Chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropan-1-yl]carbonyl}-3-(methylsulfonyl)imidazolidin-2-one." Acta Crystallographica Section E Structure Reports Online 68, no. 6 (2012): o1744. http://dx.doi.org/10.1107/s1600536812021216.

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In the title molecule, C13H16ClF3N2O4S, the imidazolidine ring is approximately planar, the largest deviation from this plane being 0.025 (3) Å. The cyclopropane ring forms a dihedral angle of 64.1 (2)° with the imidazolidine ring. In the crystal, C—H...O hydrogen bonds are observed.
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Mao, Hui, Ya-Wei Tu, Shi-Kun Li, Xiao-Juan Wang, and Peng-Peng Wang. "2-(2-Hydroxy-2-phenylethyl)-1-methylcyclopropan-1-ol." Acta Crystallographica Section E Structure Reports Online 69, no. 2 (2013): o189. http://dx.doi.org/10.1107/s1600536812051768.

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The asymmetric unit of the title compound, C12H16O2, contains two independent molecules in which the dihedral angles between the benzene and cyclopropane rings are 75.9 (3) and 76.3 (3)°. In the crystal, the molecules are connected by O—H...O hydrogen bonds into a three dimensional supramolecular structure.
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Altamore, Timothy M., Oanh T. K. Nguyen, Quentin I. Churches, et al. "Concise Synthesis of Enantiomerically Pure (1'S,2'R)- and (1'R,2'S)-2S-Amino-3-(2'-aminomethyl-cyclopropyl)propionic Acid: Two E-Diastereoisomers of 4,5-Methano-L-lysine." Australian Journal of Chemistry 66, no. 9 (2013): 1105. http://dx.doi.org/10.1071/ch13309.

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A concise synthesis of both E-isomers of 2S-amino-3-(2′-aminomethyl-cyclopropyl)propionic acid, new methano-l-lysines, is described. The synthetic route includes nine steps from l-methionine, with a key step involving the cyclopropanation of an intermediate E-allylic alcohol. The resultant hydroxymethylcyclopropanes were readily separated and converted into the title α-amino acids. The stereochemistry around the cyclopropane rings was deduced by conducting the cyclopropanation in the presence of N,N,N′,N′-tetramethyl-d-tartaric acid diamide butylboronate, a chiral controller which is known to
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Li, Xue-Mei, Lei Wang, Jian-Hua Xu, Shu-Sheng Zhang, and Hoong-Kun Fun. "Dispiro[cyclopropane-1,1′(2′H)-cyclobuta[b]naphthalene-2′,1′′-cyclopropane]-3′,8′-dione." Acta Crystallographica Section E Structure Reports Online 59, no. 11 (2003): o1742—o1744. http://dx.doi.org/10.1107/s1600536803022992.

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Chakkaravarthi, G., G. Periyasamy, R. Raghunathan, and V. Manivannan. "N′-(Diphenylmethylene)-3-(3-nitrophenyl)-1′,3′-dioxospiro[cyclopropane-2′-indan]-2-carbohydrazide." Acta Crystallographica Section E Structure Reports Online 63, no. 11 (2007): o4290. http://dx.doi.org/10.1107/s160053680704891x.

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In the title compound, C31H21N3O5, the indan ring system makes dihedral angles of 53.26 (6) with the nitrobenzene ring, and 66.50 (6) and 58.39 (7)° with the two phenyl rings. The crystal packing is stabilized by weak intermolecular N—H...O and C—H...O hydrogen bonds.
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Gemoets, J. P., M. Bravo, C. E. McKenna, G. J. Leigh, and B. E. Smith. "Reduction of cyclopropene by NifV- and wild-type nitrogenases from Klebsiella pneumoniae." Biochemical Journal 258, no. 2 (1989): 487–91. http://dx.doi.org/10.1042/bj2580487.

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The nitrogenase from wild-type Klebsiella pneumoniae reduces cyclopropene to cyclopropane and propene in the ratio 1:2 at pH 7.5. We show in this paper that the nitrogenase from a nifV mutant of K. pneumoniae also reduces cyclopropene to cyclopropane and propene, but the ratio of products is now 1:1.4. However, both nitrogenases exhibit the same Km for cyclopropene (2.1 x 10(4) +/- 0.2 x 10(4) Pa), considerably more than the Km for the analogous reaction with Azotobacter vinelandii nitrogenase under the same conditions (5.1 x 10(3) Pa). Analysis of the data shows that the different product rat
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Wang, Lizhong, Zhenjie Su, Siran Qian, Weijian Ye, and Cunde Wang. "Efficient Preparation of 2,3-Disubstituted Cyclopropane-1-Carbonitriles via Selective Decarboxylation of 1-Cyanocyclopropane-1-Carboxylates." Journal of Chemical Research 41, no. 11 (2017): 636–40. http://dx.doi.org/10.3184/174751917x15094552081161.

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2,3-Disubstituted cyclopropane-1-carbonitriles were efficiently formed via a selective decarboxylation reaction of substituted 2-aroyl-3-aryl-1-cyano-cyclopropane-1-carboxylates in up to 92% yield. The structures of three typical compounds were confirmed by X-ray crystallography.
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Boichenko, Maksim A., Alexey O. Chagarovskiy, Victor B. Rybakov, Igor V. Trushkov, and Olga A. Ivanova. "Dimethyl 2-{[2-(2-Methoxy-1-methoxycarbonyl-2-oxoethyl)-4,5,7-trimethoxy-3-(2,4,5-trimethoxyphenyl)-2,3-dihydro-1H-inden-1-yl]methyl}malonate." Molbank 2020, no. 1 (2020): M1107. http://dx.doi.org/10.3390/m1107.

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A simple synthetic approach to dimethyl 2-{[2-(2-methoxy-1-methoxycarbonyl-2-oxoethyl)-4,5,7-trimethoxy-3-(2,4,5-trimethoxyphenyl)-2,3-dihydro-1H-inden-1-yl]methyl}malonate has been developed, based on a B(C6F5)3-induced domino dimerization of 2-(2,4,5-trimethoxyphenyl)cyclopropane-1,1-diester.
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Rao, Guo-Wu, Xiao-Min Li, and Na-Bo Sun. "3-(2-Chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethyl-N-[3-(trifluoromethyl)phenyl]cyclopropanecarboxamide." Acta Crystallographica Section E Structure Reports Online 68, no. 6 (2012): o1743. http://dx.doi.org/10.1107/s1600536812020922.

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In the title molecule, C16H14ClF6NO, the cyclopropane ring forms a dihedral angle of 70.82 (18)° with the benzene ring. The torsion angles about the ethylene and amide bonds are −2.2 (5) (Cl—C—C—C) and 0.8 (5)° (O—C—N—C). A supramolecular chain propagated by glide symmetry along [001] and mediated by N—H...O hydrogen bonds is observed in the crystal packing.
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Kostyuchenko, I. V., E. V. Shulishov, V. A. Korolev, V. A. Dokichev, and Yu V. Tomilov. "Reduction of substituted spiro[cyclopropane-3-(1-pyrazolines)] to spiro[cyclopropane-3-pyrazolidines] and 1-(2-aminoethyl)cyclopropylamine derivatives." Russian Chemical Bulletin 54, no. 11 (2005): 2562–70. http://dx.doi.org/10.1007/s11172-006-0156-8.

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Dissertations / Theses on the topic "Cyclopropane 1,2,3-substitué"

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Desalegn, Nebiyou. "Kinetic Studies Of The Thermolysis Of 3-Halogenated-4,5-Dihydro-3h-Pyrazoles." Digital Archive @ GSU, 2005. http://digitalarchive.gsu.edu/chemistry_theses/1.

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3-Chloro-4,4,5-trimethyl-3,5-diphenyl-4,5-dihydro-3H-pyrazole (3b) and 3-bromo-4,4,5-trimethyl-3,5-diphenyl-4,5-dihydro-3H-pyrazole (3c) were prepared for the thermolysis project. The thermal decompositions of 3b and 3c were monitored using 1H NMR spectroscopy. Plots of ln (% starting material) vs. time (sec) were linear for at least two half lives and the first order rate constants were determined over at least a 30o temperature range. The relative reactivity was found to be 3c > 3b. The activation parameters determined for the thermal decomposition of the pyrazoline at 150oC were found to be
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Hennequin, Laurent. "Nouvelle méthode de préparation de composés dicarbonylés-1,5 : application à la synthèse de substances naturelles." Rouen, 1986. http://www.theses.fr/1986ROUES026.

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On met au point une méthode générale de synthèse de composés delta-dicarbonylés et delta-dicarbonylés α -halogénés par action respectivement d'un éther d'énol silyle ou d'un éther d'énol silyle β-halogéné sur des carbocations fonctionnels. En milieu basique, les composés delta-dicarbonylés sont transformés en cyclohexénones, tandis que leurs anologues halogénés conduisent, selon la structure du composé de départ, à des cyclopropanes disubstitués trans ou à des spiranes hétérocycliques. Ces méthodes ont été appliquées à la synthèse d'alpha -cypérones. On a également préparé des synthons de bis-
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Baharmast, Bahman. "Monohalogénocyclopropanation de composés éthyléniques fonctionnalisés : réactions d'élimination sur les adduits." Grenoble 1, 1986. http://www.theses.fr/1986GRE10081.

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On etudie la stereoselectivite de la reaction de monohalogenocyclopropanation menee sur des alcools, esters. , cetones et acides alpha -ethyleniques, puis la methylmonohalogenocyclopropanation des cetones et alcools alpha -ethyleniques. Dans un dernier chapitre est abordee l'etude de la regioet de la stereo elimination sur les alcools halogeno- et methylhalogenocyclopropaniques apres etude prealable sur des composes halogenocyclopropaniques apres etude prealable sur des composes halogenocyclopropaniques non fonctionnalises
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Book chapters on the topic "Cyclopropane 1,2,3-substitué"

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Demaison, J. "502 C4H10O Cyclopropane - methanol (1/1)." In Asymmetric Top Molecules. Part 2. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10400-8_250.

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Demaison, J. "317 C3H6ClF Cyclopropane - chlorine fluoride (1/1)." In Asymmetric Top Molecules. Part 2. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10400-8_65.

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Winkelmann, J. "Diffusion of cyclopropane (1); air (2)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_630.

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Winkelmann, J. "Diffusion of helium (1); cyclopropane (2)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_187.

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Winkelmann, J. "Diffusion of helium (1); cyclopropane (2)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_356.

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Vogt, J. "581 C6HN 2-(Cyanoethynyl)-2-cyclopropen-1-ylidene." In Asymmetric Top Molecules. Part 3. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14145-4_3.

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Vogt, J. "712 C9H2 2-(1,3,5-Hexatriynyl)-2-cyclopropen-1-ylidene." In Asymmetric Top Molecules. Part 3. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14145-4_134.

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Vogt, J. "637 C7H2 2-(1,3-Butadiynyl)-2-cyclopropen-1-ylidene." In Asymmetric Top Molecules. Part 3. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14145-4_59.

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Demaison, J. "516 C5H2 2-Cyclopropen-1-ylideneethenylidene." In Asymmetric Top Molecules. Part 2. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10400-8_264.

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Demaison, J. "386 C4HN 2-Cyano-2-cyclopropen-1-ylidene." In Asymmetric Top Molecules. Part 2. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10400-8_134.

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