Relevant bibliographies by topics / Alkenes. Chlorides. Organoplatinum compounds

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Academic literature on the topic 'Alkenes. Chlorides. Organoplatinum compounds'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Alkenes. Chlorides. Organoplatinum compounds"

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Grygorenko, Oleksandr, Andriy Sokolov, Sergey Golovach та ін. "Diastereoselective Synthesis of Cyclic sp3-Enriched cis-β-Alkoxysulfonyl Chlorides". Synthesis 51, № 04 (2018): 848–58. http://dx.doi.org/10.1055/s-0037-1611277.

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A three-step synthesis of β-alkoxy-substituted alicyclic sulfonyl chlorides from cyclic alkenes and alcohols is reported. The scope of the method was studied for a range of the substrates with various steric and electronic properties. The title compounds were obtained on a hundred-gram scale in up to 52% overall yield scale as single cis-diastereomers.
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Song, Ren-Jie, Bin Wei, Ke-Wei Li, Yan-Chen Wu та Shi-Qi Tong. "Radical Strategy for the Transition-Metal-Catalyzed Synthesis of γ-Lactones: A Review". Synthesis 52, № 24 (2020): 3855–65. http://dx.doi.org/10.1055/s-0040-1707835.

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The γ-lactone skeleton is very important component of various natural products, biological molecules, food additives, and perfumes. As a result, much effort has been made towards such compounds. In this review, we summarize recent progress in transition-metal-catalyzed annulation reactions for the formation of γ-lactone derivatives through a radical pathway. Various reagents, such as anhydrides, Togni’s reagent, TMSN3, arenesulfonyl chlorides, arenediazonium salts, dibenzoyl peroxides, O-benzoylhydroxylamine, NFSI, and α-halocarboxylic compounds, used in radical cyclization reactions are described, and the mechanisms of these radical annulation reactions are also discussed.1 Introduction2 Annulations of Alkenes with Anhydrides3 Annulations of Unsaturated Carboxylic Acids with Nucleophiles4 Annulations of Alkenes with α-Halocarboxylic Compounds5 Conclusions and Outlook
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Khrustalev, Victor, Zhanna Matsulevich, Rinat Aysin, Alexander Peregudov, Larissa Leites, and Alexander Borisov. "A novel facile route to stabilize highly reactive organotellurenyl(II) chlorides." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C1796. http://dx.doi.org/10.1107/s2053273314082047.

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Recently we reported a new possibility for stabilizing highly reactive organoselenenyl(II) chlorides by N-functionalization of an organyl substituent and the subsequent addition of a hydrochloric acid molecule [Ref.]. It is well-known that organotellurenyl(II) chlorides are even less stable than the related organoselenenyl(II) chlorides. This fact prompted us to apply the same approach to organotellurenyl(II) chlorides containing an N-functionalized aryl substituent. In the present work, a novel facile route for stabilizing highly reactive Ar*TeCl species (Ar* = nitrogen-containing aryl) by hydrochloric acid addition has been demonstrated, exemplified by two new T-shaped tellurenyl chloride adducts, viz. 1H-pyridine-2-tellurenyl-dichloride (Fig.) and 4,6-dimethyl-1H-pyrimidine-2-tellurenyl-dichloride. Their quasi-planar zwitterionic structures with strong intramolecular N–H...Cl hydrogen bonds have been evidenced by experimental (single-crystal X-ray diffraction, multi-nuclear NMR, vibrational spectroscopy) and theoretical (DFT and QTAIM) methods. Due to this structure, the studied heteroaryl tellurenyl dichlorides react with alkenes in a similar manner to the corresponding monomeric tellurenyl chlorides affording the same cycloaddition products. The described approach to difficult-to-obtain, extremely unstable organotellurenyl(II) chlorides opens alluring prospects in the synthesis and study of low-valent chalcogen compounds.
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Kavipriya, K., and M. Chandra. "FTIR and GCMS Analysis of Bioactive Phytocompounds in Methonalic Leaf Extract of Cassia Alata." Biomedical and Pharmacology Journal 11, no. 1 (2018): 141–47. http://dx.doi.org/10.13005/bpj/1355.

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The methanolic extract of plant Cassia alata was prepared by using soxhlet apparatus. FTIR and GCMS analysis were done to this plant extract to find out the bioactive phytocompounds. The FTIR results of this plant extract showed 21 peaks indicate the presence of the bioactive compounds such as sulfates, sulfonamides, sulfones, sulfonyl chlorides, sulfates, sulfonamides, alkanes, aromatic, aromatic, alkenes, ester, alkenes, ketenes, isocyanates, isothiocyanates, acetylene, nitrile, phosphine, phosphine, aldehyde, alkane, amide, alcohol and alcohol. The GCMS results showed 13 peaks. The retention time (RT) of all these thirteen peaks indicate the presence of functional group such as 1-Butanol, 3-methyl-1,6-Anhydro-.beta.-D-glucopyranose (levoglucosan), 3-O-Methyl-d-glucose, Oxirane, 10-Methyl-E-11-tridecen-1-ol propionate, l-(+)-Ascorbic acid 2,6-dihexadecanoate, (R)-(-)-14-Methyl-8-hexadecyn-1-ol, Oleic Acid , Vitamin E acetate and 1,2-Bis(trimethylsilyl) benzene.
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Vogel, Pierre, Maris Turks, Laure Bouchez, et al. "Use of sultines in the asymmetric synthesis of polypropionate antibiotics." Pure and Applied Chemistry 80, no. 4 (2008): 791–805. http://dx.doi.org/10.1351/pac200880040791.

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At low temperature and in the presence of an acid catalyst, SO2 adds to 1,3-dienes equilibrating with the corresponding 3,6-dihydro-1,2-oxathiin-2-oxides (sultines). These compounds are unstable above -60 °C and equilibrate with the more stable 2,5-dihydrothiophene 1,1-dioxides (sulfolenes). The hetero-Diels-Alder additions of SO2 are suprafacial and follow the Alder endo rule. The sultines derived from 1-oxy-substituted and 1,3-dioxy-disubstituted 1,3-dienes cannot be observed at -100 °C but are believed to be formed faster than the corresponding sulfolenes. In the presence of acid catalysts, the 6-oxy-substituted sultines equilibrate with zwitterionic species that react with electron-rich alkenes such as enoxysilanes and allylsilanes, generating β,γ-unsaturated silyl sulfinates that can be desilylated and desulfinylated to generate polypropionate fragments containing up to three contiguous stereogenic centers and an (E)-alkene unit. Alternatively, the silyl sulfinates can be reacted with electrophiles to generate polyfunctional sulfones (one-pot, four-component synthesis of sulfones), or oxidized into sulfonyl chlorides and reacted with amines, then realizing a one-pot, four-component synthesis of polyfunctional sulfonamides. Using enantiomerically enriched dienes such as 1-[(R)- or 1-(S)-phenylethyloxy]-2-methyl-(E,E)-penta-1,3-dien-3-yl isobutyrate, derived from inexpensive (R)- or (S)-1-phenylethanol, enantiomerically enriched stereotriads are obtained in one-pot operations. The latter are ready for further chain elongation. This has permitted the development of expeditious total asymmetric syntheses of important natural products of biological interest such as the baconipyrones, rifamycin S, and apoptolidin A.
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Grygorenko, Oleksandr O., Rustam Gurbanov, Andriy Sokolov, Sergey Golovach, Kostiantyn Melnykov та Alexey V. Dobrydnev. "Synthesis of sp3-Enriched β-Fluoro Sulfonyl Chlorides". Synthesis, 15 грудня 2020. http://dx.doi.org/10.1055/s-0040-1706101.

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AbstractA three-step approach to the synthesis of sp3-enriched β-fluoro sulfonyl chlorides starting from alkenes is reported. The method was successfully applied to a wide range of acyclic and cyclic substrates, bearing either an exocyclic or an endocyclic double bond. The procedure worked with a wide range of substrates and tolerated a number of functional and protecting groups. Moreover, the target cyclic compounds were obtained as single cis diastereomers on a multigram scale. The title compounds are promising building blocks for drug discovery that can be used to obtain sp3-enriched β-fluoro and α,β-unsaturated sulfonamides.
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Wang, Zhan-Yong, Qi Guo, Shaohong Xu, and Kai-Kai Wang. "Nucleophilic H-phosphites, H-phosphinates and H-phosphine oxides in organic reactions." Synthesis, May 18, 2021. http://dx.doi.org/10.1055/a-1511-0382.

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P(O)-H compounds like H-phosphites, H-phosphinates and H-phosphine oxides are widely used as nucleophiles. Herein, reactions with unsaturated compounds, C-H activation, Hiro reaction, P-C, P-S, P-O, P-N and P-F couplings were thoroughly discussed and summarized. This review will focus on their reactions with alkenes, alkynes, enamides, propiolic acids, epoxide, arynes, arenes, quinones, isothiocyanates, diazo compounds, aldehydes, ketones, imines, pyridines, acid derivatives, carbocations, aryl halides, dibromoalkenes, disulfides, thiosulfates, sulfonyl chlorides, iodonium salts, amines, alcohols and thioalcohols.
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Chen, Jian-Qiang, Xiaodong Tu, Qi Tang, et al. "Efficient access to aliphatic esters by photocatalyzed alkoxycarbonylation of alkenes with alkyloxalyl chlorides." Nature Communications 12, no. 1 (2021). http://dx.doi.org/10.1038/s41467-021-25628-x.

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AbstractAliphatic esters are essential constituents of biologically active compounds and versatile chemical intermediates for the synthesis of drugs. However, their preparation from readily available olefins remains challenging. Here, we report a strategy to access aliphatic esters from olefins through a photocatalyzed alkoxycarbonylation reaction. Alkyloxalyl chlorides, generated in situ from the corresponding alcohols and oxalyl chloride, are engaged as alkoxycarbonyl radical fragments under photoredox catalysis. This transformation tolerates a broad scope of electron-rich and electron-deficient olefins and provides the corresponding β-chloro esters in good yields. Additionally, a formal β-selective alkene alkoxycarbonylation is developed. Moreover, a variety of oxindole-3-acetates and furoindolines are prepared in good to excellent yields. A more concise formal synthesis of (±)-physovenine is accomplished as well. With these strategies, a wide range of natural-product-derived olefins and alkyloxalyl chlorides are also successfully employed.
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Book chapters on the topic "Alkenes. Chlorides. Organoplatinum compounds"

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Saito, S. "Lithium Aluminum Hydride with Various Metal Chloride Salts for the ­Catalytic Reduction of Alkynes, Alkenes, and Aryl and Alkyl Chlorides." In Compounds of Groups 13 and 2 (Al, Ga, In, Tl, Be...Ba). Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-007-00030.

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