A ketyl group in organic chemistry is an anion radical that contains a group R2C−O•. It is the product of the 1-electron reduction of a ketone. Another...

will abstract a hydrogen atom from a suitable hydrogen donor to form a ketyl radical. Alkali metals reduce benzophenone to the deeply blue colored radical...

carbon atom to the oxygen atom. The R radical then recombines with the ketyl. The alkyl group migrates in the order of thermodynamical stability methyl...

alkene cyclization of 5-methylenecyclooctanone which proceeds through a ketyl intermediate: The term benzannulated compounds refers to derivatives of...

(2005). "Generation and Reactivity of Ketyl Radicals with Lignin Related Structures. On the Importance of the Ketyl Pathway in the Photoyellowing of Lignin...

produce dry, oxygen-free toluene. The toluene is dry and oxygen free when the intense blue coloration from the benzophenone ketyl radical is observed....

reduction of the solute, the dissolved oxygen is almost totally eliminated. The ketyl radical from sodium and benzophenone can also be used for removing both...

electron transfer (SET) mechanism that involves the initial formation of a ketyl radical intermediate has also been proposed. A recent computational study...

Kentaro; Mori, Atsunori (31 October 2018). "Revisiting of Benzophenone Ketyl Still: Use of a Sodium Dispersion for the Preparation of Anhydrous Solvents"...

R−C(−O•)=C(−O−)−R', making them the second member of a homologous series starting with ketyl radicals and continuing with semitriones. They are often transient intermediates...

believed to responsible for reducing Au3+ to Au0 is the Norrish generated ketyl radical. Leo Paquette's 1982 synthesis of dodecahedrane involves three separate...

diiodide and as a Lewis base additive to many reactions involving samarium ketyls. HMPA is only mildly toxic but has been shown to cause cancer in rats. HMPA...

carbonyl group by a reducing agent —such as magnesium— to a ketyl radical anion species. Two ketyl groups react in a coupling reaction yielding a vicinal diol...

alkene cyclization of 5-methylenecyclooctanone which proceeds through a ketyl intermediate: The applications of SmI2 have been reviewed. The book Organic...

delocalized. Examples include alkali metal naphthenides, anthracenides, and ketyls. Hydrogen abstraction generates radicals. To achieve this reaction, the...

große Klasse von Verbindungen mit dreiwertigem Kohlenstoff. II" [On metal ketyls, a large class of compounds with trivalent carbon. II.]. Berichte der Deutschen...

such reagent is benzophenone ketyl, which is easily generated by this reaction Na + Ph2CO → Na+Ph2CO•− This deep purple ketyl rapidly gives colorless products...

reduction of anhydrous manganese(II) chloride with sodium benzophenone ketyl radical under similarly high pressures (200 atm) of CO. This method yielded...

there is a hydrogen atom transfer from Cys225 to carbon C-2’ of the 2’-ketyl radical 3, after previous proton transfer from Cys462 to Cys225. At the...

similar one-electron reducing agents. Upon single-electron transfer, a ketyl dimer iv forms. In the absence of protic solvent, this dimer collapses to...

radical. This radical attacks the carbonyl group to an intermediate bicyclic ketyl. This intermediate then rearranges with ring expansion to a new carbon radical...

amalgam. Modern synthesis use sodium naphthalene or sodium benzophenone ketyls as the reducants: Fe(CO)5 + 2 Na → Na2[Fe(CO)4] + CO When a deficiency of...

Synthesis of (−)-Steganone Utilizing a Samarium(II) Iodide Promoted 8-Endo Ketyl−Olefin Cyclization". J. Am. Chem. Soc. 122: 52. doi:10.1021/ja9930059. Sellmann...

(2017). "Enantioselective cyclizations and cyclization cascades of samarium ketyl radicals". Nature Chemistry. 9 (12): 1198–1204. Bibcode:2017NatCh...9.1198K...

Beemelmanns, Christine; Reissig, Hans-Ulrich (2011). "Samarium diiodide induced ketyl-(het)arene cyclisations towards novel N-heterocycles". Chemical Society...

benzophenone react in dry ether to produce a blue solution, now known to be due to ketyl-radical formation. This reactions remains a standard one among chemists...

donor was the benzophenone triplet and the acceptor was the benzophenone ketyl radical. Since moving to Trondheim in 1977, Naqvi has worked on a wide range...

Missouri. Her Ph.D. dissertation focused on reactions involving sodium ketyls. While working towards her master's degree in chemistry, Harrison taught...