Les pseudonitrosites en chimie organosilicique

Jolibois, H.; Doucet, André; Perrot, Roger

doi:10.1002/hlca.19750580633

Cited by 10 publications

(5 citation statements)

References 19 publications

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“…That allyl and vinylsilanes 71 undergo addition, rather than substitution, 95 is indicative of a free radical mechanism (Scheme 11). A similar conclusion can be drawn from the regioselectivity observed during the addition of N 2 O 3 to substituted chalcones 72 .…”

Section: Binary Nitrogen Oxides and Related Reagentsmentioning

confidence: 99%

Methods for direct alkene diamination, new & old

2012

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The 1,2-diamine moiety is a ubiquitous structural motif present in a wealth of natural products, including non-proteinogenic amino acids and numerous alkaloids, as well as in pharmaceutical agents, chiral ligands and organic reagents. The biological activity associated with many of these systems and their chemical utility in general has ensured that the development of methods for their preparation is of critical importance. While a wide range of strategies for the preparation of 1,2-diamines have been established, the diamination of alkenes offers a particularly direct and efficient means of accessing these systems. The purpose of this review is to provide an overview of all methods of direct alkene diamination, metal-mediated or otherwise.

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Section: Binary Nitrogen Oxides and Related Reagentsmentioning

confidence: 99%

Methods for direct alkene diamination, new & old

2012

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“…Other preparations of dimeric nitronitroso compounds by dinitrogen trioxide addition include the products resulting from the addition to seven silanes containing an ethylenic bond (e.g., eq 15), 136 seven indenes (e.g., eq 16), 137 and nine R,β-unsaturated ketones of the chalcone class (eq 17). 138 Preparative details are available for two distinct conformers of blue crystalline humulene nitrosite 139,140 and caryophyllene nitrosite.…”

Section: Addition Of Oxides Of Nitrogenmentioning

confidence: 99%

Section: 32 Addition Of Oxides Of Nitrogenmentioning

confidence: 99%

Preparations ofC-Nitroso Compounds

2004

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“…68), the product of radical addition ( 49 ) was obtained, whereas neither oxime ( 48 ) nor nitrosonitrites was formed. The additions to 2,5‐dimethoxypropenylbenzene ( 50 ), [153] cinnamyl acetate ( 86 ), [154] allyltrimethylsilane ( 51 ), [155] and many other alkenes [149] exhibits the selectivity of radical mechanism [156] . Generally, a polar reaction (e. g. Eq.…”

Section: Reactions With Organic Compoundsmentioning

confidence: 99%

Preparation of Dinitrogen Trioxide for Organic Synthesis: A Phase Equilibrium Approach

Chen,

Monbaliu

2024

Chemistry A European J

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Dinitrogen trioxide (N2O3) is a potent nitrosating agent featured with high reactivity and appealing atom economy. Because of its instability and the entanglement of chemical and phase equilibria, N2O3 has rarely been utilized in organic synthesis as a stock reagent with well‐defined composition. In this review, the preparations of pure N2O3 and its concentrated solution (> 0.1 M) are discussed from the aspect of phase equilibrium. Understanding the physical and chemical characteristics of N2O3, along with how reaction parameters (temperature, pressure, molar ratio) interact, plays a crucial role in managing the concentration of N2O3 in the liquid phase. This control holds practical significance in achieving quantitative reactions.

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Les pseudonitrosites en chimie organosilicique

Cited by 10 publications

References 19 publications

Methods for direct alkene diamination, new & old

Methods for direct alkene diamination, new & old

Preparations ofC-Nitroso Compounds

Preparation of Dinitrogen Trioxide for Organic Synthesis: A Phase Equilibrium Approach

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