Relevant bibliographies by topics / Tributylstannane

Academic literature on the topic 'Tributylstannane'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Tributylstannane"

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Imrich, Michael R., and Thomas Ziegler. "Access to d- and l-Psicose Derivatives via Hydroxy Methylation of Ribono Lactone." Molbank 2019, no. 4 (December 10, 2019): M1096. http://dx.doi.org/10.3390/m1096.

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2,3,5-Tri-O-benzyl- and 2,3,5-tri-O-methyl-d-ribono-γ-lactone were converted with (methoxyethoxymethoxy)methyl and benzyloxy tributylstannane into the corresponding protected d-psicoses as mixtures of anomers in 31%–72% yield. Treatment of 2,3,5-tri-O-methyl-l-ribono-γ-lactone with benzyloxy tributylstannane afforded the corresponding l-psicose derivative as an anomeric mixture in 72% yield. Both methylated psicoses were further converted into 1,2-O-isopropylidene-3,4,6-tri-O-methyl-d- and l-psicofuranosides, the respective α- and β-anomers of which could be separated and characterized.
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Samano, Vincente, and Morris J. Robins. "Nucleic acid related compounds. 77. 2′,3′-Didehydro-2′,3′-dideoxy-2′(and 3′)-methylnucleosides via [3,3]-sigmatropic rearrangements of 2′(and 3′)-methylene-3′(and 2′)-O-thiocarbonyl derivatives and radical reduction of a 2′-chloro-3′-methylene analogue." Canadian Journal of Chemistry 71, no. 2 (February 1, 1993): 186–91. http://dx.doi.org/10.1139/v93-027.

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Treatment of 5′-O-(tert-butyldiphenylsilyl)-2′(and 3′)-deoxy-2′(and 3′)-methyleneuridine (and adenosine) derivatives with phenyl chlorothionocarbonate gave the 3′(and 2′)-O-phenoxythiocarbonyl intermediates, which underwent spontaneous [3,3]-sigmatropic rearrangement to give the 2′,3′-didehydro-2′,3′-dideoxy-2′(and 3′)-(phenoxycarbonylthio)methyl analogues. These allylic thioesters were subjected to tributylstannane-mediated hydrodesulfurization and deprotection to give 2′,3′-didehydro-2′,3′-dideoxy-2′(and 3′)-methyluridine (and adenosine). Tributylstannane-mediated hydrodehalogenation of a 2′-chloro-2′,3′-dideoxy-3′-methyleneuridine derivative afforded the 2′,3′-didehydro-2′,3′-dideoxy-3′-methyl product of allylic transposition exclusively.
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Leung, Lai To, and Pauline Chiu. "Hydrostannation of activated alkynes mediated by Stryker's reagent." Pure and Applied Chemistry 78, no. 2 (January 1, 2006): 281–85. http://dx.doi.org/10.1351/pac200678020281.

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The treatment of activated alkynes with catalytic amounts of Stryker's reagent and tributylstannane resulted in hydrostannation. The reaction proceeds with high regioselectivity to produce α-stannated vinylstannanes exclusively.
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Bachi, Mario D., Eric Bosch, Daniella Denenmark, and Diana Girsh. "Tributylstannane-mediated cyclization of thionocarboxylic acid derivatives." Journal of Organic Chemistry 57, no. 25 (December 1992): 6803–10. http://dx.doi.org/10.1021/jo00051a024.

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Masiuk, Uladzimir S., Iryna V. Mineyeva, and Dzmitry G. Kananovich. "Highly Diastereoselective Chelation-Controlled 1,3-anti-Allylation of (S)-3-(Methoxymethyl)hexanal Enabled by Hydrate of Scandium Triflate." Symmetry 13, no. 3 (March 13, 2021): 470. http://dx.doi.org/10.3390/sym13030470.

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En route to the total synthesis of (+)-Neopeltolide, we explored Lewis acid-assisted diastereoselective allylation of MOM-protected 3-hydroxylhexanal with β-(2,2-diethoxyethyl)-substituted (allyl)tributylstannane. The hydrated form of scandium triflate was found to be essential for attaining high 1,3-anti-diastereoselectivity (d.r. 94:6), while the use of anhydrous catalyst resulted in a modest diastereocontrol (d.r. 76:24). The preferred 1,3-anti-selectivity in this transformation can be rationalized in the framework of the Reetz chelate model of asymmetric induction. The 1,3-anti-configuration of the product was confirmed by its conversion into the known C7-C16 building block of (+)-Neopeltolide. We also report an improved protocol for the synthesis of β-(2,2-diethoxyethyl)-substituted (allyl)tributylstannane, which can be utilized as a cost-efficient bipolar isoprenoid-type C5-building block in the synthesis of natural compounds.
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BACHI, M. D., E. BOSCH, D. DENENMARK, and D. GIRSH. "ChemInform Abstract: Tributylstannane-Mediated Cyclization of Thionocarboxylic Acid Derivatives." ChemInform 24, no. 18 (August 20, 2010): no. http://dx.doi.org/10.1002/chin.199318108.

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Liu, Qibo, and Donald J. Burton. "Preparation of E-(1,2-difluoro-1,2-ethenediyl)bis(tributylstannane)." Journal of Fluorine Chemistry 131, no. 11 (November 2010): 1082–85. http://dx.doi.org/10.1016/j.jfluchem.2009.12.025.

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Bachi, Mario D., and Eric Bosch. "On the mechanism of reductive degradation of dithiocarbonates by tributylstannane." Journal of the Chemical Society, Perkin Transactions 1, no. 6 (1988): 1517. http://dx.doi.org/10.1039/p19880001517.

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Barton, Derek H. R., David Crich, Antonius Löbberding, and Samir Z. Zard. "On the mechanism of reduction of dithiocarbonates (xanthates) with tributylstannane." J. Chem. Soc., Chem. Commun., no. 10 (1985): 646–47. http://dx.doi.org/10.1039/c39850000646.

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10

Johnson, Carl R., and John R. Medich. "Efficient preparation of [(methoxymethoxy)methyl]tributylstannane, a convenient hydroxymethyl anion equivalent." Journal of Organic Chemistry 53, no. 17 (August 1988): 4131–33. http://dx.doi.org/10.1021/jo00252a054.

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Dissertations / Theses on the topic "Tributylstannane"

1

Harman, David Grant, and harmandg@hotmail com. "Mechanisms of the Intriguing Rearrangements of Activated Organic Species." The Australian National University. Faculty of Science, 2003. http://thesis.anu.edu.au./public/adt-ANU20031210.143110.

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The β-acyloxyalkyl radical rearrangement has been known since 1967 but its mechanism is still not fully understood, despite considerable investigation. Since the migration of a β-trifluoroacetoxy group generally proceeds more rapidly and with more varied regiochemistry than its less electronegative counterparts, this reaction was studied in the hope of understanding more about the subtleties of the mechanism of the β- acyloxyalkyl radical rearrangement. The mechanism of the catalysed rearrangement of Nalkoxy- 2(1H)-pyridinethiones was also explored because preliminary studies indicated that the transition state (TS) for this process was isoelectronic with TSs postulated for the β-acyloxyalkyl radical and other novel rearrangements. ¶ A kinetic study of the rearrangement of the 2-methyl-2-trifluoroacetoxy-1-heptyl radical in solvents of different polarity was undertaken using a radical clock method. Arrhenius equations for the rearrangement in each solvent were: hexane, log10[kr (s-1)] = 11.8±0.3 – (48.9±0.7)/ θ; benzene, log10[kr (s-1)] = 12.0±0.2 – (43.7±0.8)/ θ; and propionitrile, log10[kr (s-1)] = 11.9±0.2 – (42.0±0.3)/ θ. Rate constants at 75˚C were: hexane, kr = 2.9 × 104; benzene, kr = 2.8 × 105; and propionitrile, kr = 4.0 × 105 s-1. The equilibrium constant for the reversible rearrangement at 80°C in benzene was 15.1
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Book chapters on the topic "Tributylstannane"

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Moloney, M. G. "Using Tributylstannane." In Compounds of Group 14 (Ge, Sn, Pb), 1. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00618.

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Marshall, R. L. "From Allylic Sulfides Using Tributylstannane." In Compounds of Group 14 (Ge, Sn, Pb), 1. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00573.

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Turnbull, W. B., M. A. Fascione, and S. A. Stalford. "With (Alkylsulfanyl)- and (Arylsulfanyl)tributylstannanes and ­Trimethylsilanes." In Acetals: Hal/X and O/O, S, Se, Te, 1. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-029-00869.

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