2 edition of synthesis of some novel 7-silanorbornadienes and a study of their thermal decomposition found in the catalog.
synthesis of some novel 7-silanorbornadienes and a study of their thermal decomposition
Richard William Fischer
Written in English
|Statement||by Richard William Fischer II|
|The Physical Object|
|Pagination||52 leaves :|
|Number of Pages||52|
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Evidence for a radical mechanism in the thermal decomposition of a 7-silanorbornadiene is presented. It is demonstrated that 2-car☐ysilanorbornadienes undergo a formal 1, 5-migration of.
Herein, we described the full details of 1 including their preparation, structures, and stereochemistry. We also disclosed the generation and trapping of silicon-functionalized silylenes by thermolysis and photolysis of 1.
Results and discussion Synthesis of silicon-functionalized 7-silanorbornadienes 7-Hydro-substituted 1aCited by: 5. No clear general interdependence of structural details of 7-silanorbornadienes and their thermal stability is known hithertob. Some decompose at oC6, others at oC.
Since we gained some experience with 7-stanna7 and 7-germanorborn(adi)enese and their use for the generation of the heavier carbene analogues R2Sn and R2Ge, we prepared 17 new Cited by: Synthesis of silicon-functionalized 7-silanorbornadienes and their thermolysis and photolysis.
Journal of Organometallic Chemistry(), DOI: /chemCited by: We have previously reported that a series of 7-substituted 6-fluoro-1,4-dihydrooxo(2-thiazolyl)-1,8-naphthyridinecarboxylic acids possess moderate cytotoxic activity.
In a further attempt to find clinically useful antitumor agents, we investigated the structure−activity relationships (SARs) of a new series of compounds obtained by changing the C-6 position of the fluorine atom in Cited by: Shanghai Key Laboratory of Electric Insulation and Thermal Aging, ShanghaiPeople's Republic of China School of Chemistry and Chemical Engineering, Shanghai Jiaotong University, ShanghaiPeople's Republic of China Search for more papers by this author.
Study of Silane Decomposition during the Combustion of Renewable Natural Gas. Industrial & Engineering Chemistry Research53 (33), DOI: /iex. Andrew T. Heitsch, Dayne D. Fanfair, Hsing-Yu Tuan and Brian A.
Korgel. Some silica-organic compounds were prepared by an addition reaction between γ-amino-propyl-triethoxy silane and 4,4′-diphenylmethane diisocyanate. The obtained products were characterized by FTIR spectrometry.
The essential synthesis parameter was the molar ratio between the two reactants. The thermal behavior of the products was rather good, until °C no mass loss or thermal. N,N′-Bis(2-hydroxyiminoalkyl)-α,α′-dinitrones are of interest for the synthesis of 1,1′-dihydroxy-2,2′-biimidazoles.
Thermal decomposition of two these dinitrones was studied in helium. Abstract. A series of novel substituted 6′-(4-chlorophenyl)-3,4′-bipyridine-3′-carbonitriles with incorporated pyrazole and/or triazole moieties have been synthesized using 2-(6′-(4-chlorophenyl)-3′-cyano-3,4′-bipyridin-2′-yloxy)acetohydrazide (3) as startingthe key intermediate 3 reacted with aromatic aldehydes and tosyl chloride to give the corresponding Schiff.
Synthesis of Some New Polyhydrazides by Direct Polycondensation in Ionic Liquid and their Metallization Through Transition Metal Complexation August Journal of. A novel phosphorous‐silicone‐nitrogen ternary flame retardant (FR), [(1,1,3,3‐tetramethyl‐1,3‐disilazanediyl)di‐2,1‐ethanediyl]bis(diphenylphosphine oxide) (PSiN) was synthesized with high yield via a one‐step procedure by the reaction of diphenylphosphine oxide and vinyl‐terminated silazane with triethylborane as the catalyst.
(). Synthesis, Characterization, Thermal Studies and Biological Activity of Iron(III) Complexes with some Acylhydrazines. Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry: Vol. 23, No.
6, pp. Synthesis, Characterization, Thermal Decomposition Studies and Dyeing Properties of Some Novel Trans August Russian Journal of Inorganic Chemistry K. Mohanan. The resulting polymers had good thermal properties and were moderately fluorescent.
Their thermal stability was improved, and obvious red shift was observed when a phenyl substituent was attached on a silicon atom of polymers in the emission spectra. Stable neutral silaaromatic compounds, 2-silanaphthalenes (1a; R = Tbt, 1b; R = Bbt), were synthesized by taking advantage of extremely bulky and efficient steric protection groups, 2,4,6-tris[bis(trimethylsilyl)methyl]phenyl (Tbt) and 2,6-bis[bis(trimethylsilyl)methyl][tris(trimethylsilyl)methyl]phenyl (Bbt).
2-Silanaphthalenes 1a,b were isolated as colorless crystalline. A novel polymeric precursor polyborosilazane (PBSZ) for SiBN ternary ceramic fibers was successfully synthesized from trichlorosilane (HSiCl 3), boron trichloride (BCl 3) and hexamethyldisilazane (HDMZ) by a simple one step reaction chemical structures and ceramic yield of the PBSZ precursors were investigated by NMR spectroscopy, FT-IR and TGA.
Oligoarylates with alcohol OH groups have been synthesized by polyesterification of bisphenols with subsequent blocking of COCl endgroups by ethylene. Thermal decomposition studies were performed in an electric furnace fitted with a temperature controller.
Preparation of I Mg(H20)6J(2-abah-2H20 1 Method 1 Recrystallised anthranilic acid (2-abaH) ( g, 20 mmol) was taken in water (50 ml) and heated. Introduction. β-cyclodextrin and its derivatives are generally used in pharmacology as containers for some medicines owing to their unique property of encapsulating different hydrophobic compounds by formation of the inclusion compounds of guest-host type.
1 Such encapsulation complex the included medicine from bio-decomposition, contributes to increase in its solubility and that is of. The results provide data that characterize the dependence -of the freezing points of some silanes on their structure.
It has been shown also that the value of the refraction fof the Si-C bond is determined by the radical containing the carbon attached to silicon, In particular, for allyl attached to silicon this value should be taken as ml. The crystal structures of two hydrazinium-based germanium(IV) and tin(IV) selenide salts are determined.
(N2H5)4Ge2Se6 (1) [I41cd, a = (1) Å, c = (2) Å, Z = 8] and (N2H4)3(N2H5)4Sn2Se6 (2) [P1̄, a = (6) Å, b = (9) Å, c = (10) Å, α = (2)°, β = (2)°, γ = (2)°, Z = 1] each consist of anionic dimers of edge-sharing metal selenide.Book Series Help; Contact Portal SYNTHESIS Activated Nitriles in Heterocyclic Synthesis: Novel Synthesis of Pyridazines, A Simple Preparation of 5-Aminocyano-2,4-diarylfurans and their Use in the Synthesis of 3-Aminocyanophthalic Anhydrides Full Text PDF ( kb) abstract.