Search Results - "Turnbull, Kenneth"

Treatment of o-alkynylphenylsydnones with acids: a new route to 3-arylcinnolines by Weisner, Andrew J., Turnbull, Kenneth

Get full text

The reaction of sydnones with bromine in acetic anhydride revisited: a new route to 5-substituted-3-aryl-1,3,4-oxadiazol-2(3H)-ones from N-aryl-N-bromocarbonylhydrazines by Tumey, Jonathan Michael, Gerritsen, Thijs, Klaasen, Jimmy, Madaram, Karunakar Reddy, Turnbull, Kenneth

Get full text

4-Acetyl-3-[2-(eth-oxy-carbon-yl)phen-yl]sydnone by Grossie, David, Harrison, Leanna, Turnbull, Kenneth

“…Sydnones, which contain a mesoionic five-membered heterocyclic ring, are more stable if synthesized with an aromatic substutuent at the N3 position. In the…”
Get full text

3-{5-Bromo-2-[(triphenylphosphanylidene)amino]phenyl}-4,5-dihydro-1,2,3-oxadiazol-3-ylium-5-olate by Grossie, David, Harrison, Leanna, Turnbull, Kenneth

“…In general, sydnone compounds are synthesized with an aromatic substituent at the N-3 position and this feature adds to the stability of the mesoionic…”
Get full text

Improved Alkylation and Product Stability in Phosphotriester Formation through Quinone Methide Reactions with Dialkyl Phosphates by Bakke, Brian A, McIntosh, Matthias C, Turnbull, Kenneth D

“…Investigating reactions of functionalized p-quinone methides continues to advance our design of a reagent being developed for controlled, in situ modification…”
Get full text

Phosphodiester Alkylation with a Quinone Methide by Zhou, Qibing, Turnbull, Kenneth D

“…Despite the wide array of studies involving DNA alkylation and cleavage with quinone methide generating compounds, there have been no reports on the alkylation…”
Get full text

Quinone Methide Phosphodiester Alkylations under Aqueous Conditions by Zhou, Qibing, Turnbull, Kenneth D

“…A detailed analysis of the alkylation of phosphodiesters with a p-quinone methide under aqueous conditions has been accomplished. The relative rates of…”
Get full text

Improved Alkylation and Product Stability in Phosphotriester Formation through Quinone Methide Reactions with Dialkyl Phosphates by Bakke, Brian A, McIntosh, Matthias C, Turnbull, Kenneth D

Get full text

Hydrolytic Stabilization of Protected p-Hydroxybenzyl Halides Designed as Latent Quinone Methide Precursors by Dyer, Robert G, Turnbull, Kenneth D

“…The hydrolysis rates of a series of protected p-hydroxybenzyl halides designed to generate a p-quinone methide through 1,6-elimination following photolytic…”
Get full text

3-(4-Chlorophenyl)-4-phenylthiosydnone by Grossie, David A., Turnbull, Kenneth

“…In the structure of C 14 H 9 ClN 2 O 2 S [systematic name: 3-(4-chlorophenyl)-4-(phenylsulfanyl)-1,2,3λ 5 -oxadiazol-3-ylium-5-olate], the central sydnone ring…”
Get full text

Trapping Phosphodiester−Quinone Methide Adducts through in Situ Lactonization by Zhou, Qibing, Turnbull, Kenneth D

“…The goal of in situ modification of DNA via phosphodiester alkylation has led to our design of quinone methide derivatives capable of alkylating dialkyl…”
Get full text

Dr. Leonard C. Jenkins 1926-2000 by Turnbull, K W

Get full text

Control of reaction chemoselectivity with a circular DNA template in the ligation of short oligodeoxyribonucleotides by Selvasekaran, Janardhanam, Turnbull, Kenneth D

“…A study has been conducted to examine the chemoselective control attained in the ligation of short oligodeoxyribonucleotides (ODNs) directed by association on…”
Get full text

Chemical ligation of oligodeoxyribonucleotides on circular DNA templates by Selvasekaran, Janardhanam, Turnbull, Kenneth D.

“…We report the use of small circular DNA as a triplex-directing template for the highly efficient chemical ligation of oligodeoxyribonucleotides (ODNs) using…”
Get full text

Metal Triflate-Catalyzed Friedel-Crafts Acetylation of 3-Phenylsydnone by Balaguer, Amanda, Selhorst, Ryan, Turnbull, Kenneth

“…Friedel-Crafts acetylation at the 4-position of 3-phenylsydnone (1) was achieved via thermal heating overnight in moderate to good yields by employing various…”
Get full text

Bismuth Triflate-Catalyzed Friedel-Crafts Acylations of Sydnones by Mahoney, Jennifer, Turnbull, Kenneth, Cubberley, Mark

“…Friedel-Crafts acylations of various 3-arylsydnones at the C4 position have been achieved in good yields using 4 equivalents of an alkyl anhydride and 25 mol%…”
Get full text

para-Quinone methide initiated cyclization reactions by Angle, Steven R, Turnbull, Kenneth D

Get full text

Improved Method for the Iodination of Sydnones by Brown, Daniel C., Turnbull, Kenneth

“…Iodination at the sydnone C-4 position has been achieved in good yields for a series of 3-arylsydnones using N-iodosuccinimide in acetic acid. [Supplementary…”
Get full text

Halogenation of 3-(3,5-Dimethoxyphenyl)sydnone by Aleem, Amin S., Turnbull, Kenneth

“…Organic Preparations and Procedures International Halogenation of 3-(3,5-Dimethoxyphenyl)sydnone…”
Get full text

Activated carbonyl species for the preparation of ortho-acylarylsydnones by Turnbull, Kenneth, Beladakere, Ravindra N., Mccall, Neal D.

“…ortho‐Acylarylsydnones can be prepared in moderate to good yield by the action of nucleophiles upon suitable activated carbonyl species…”
Get full text