58645-99-1Relevant academic research and scientific papers
Preparation of benzolactams by Pd(OAC)2-catalyzed direct aromatic carbonylation
Orito, Kazuhiko,Horibata, Akiyoshi,Nakamura, Takatoshi,Ushito, Harumi,Nagasaki, Hideo,Yuguchi, Motoki,Yamashita, Satoshi,Tokuda, Masao
, p. 14342 - 14343 (2004)
We developed a new method for Pd(II)-catalyzed direct aromatic carbonylation in a phosphine-free catalytic system using Pd(OAc)2 and Cu(OAc)2 in an atmosphere of CO gas containing air. The carbonylation proceeded with ortho-palladation, inducing a remarkable site selectivity to afford a variety of five- or six-membered benzolactams from secondary ω-arylalkylamines, such as N-alkylbenzylamines or N-alkylphenethylamines. Copyright
A latent reaction in a model GFP chromophore revealed upon confinement: Photohydroxylation of ortho -halo benzylidene-3-methylimidazolidiones via an electrocylization process
Samanta, Shampa R.,Da Silva, Jose P.,Baldridge, Anthony,Tolbert, Laren M.,Ramamurthy
supporting information, p. 3304 - 3307 (2014/07/08)
Excited state behavior of halogen substituted model GFP chromophores was investigated in an acetonitrile solution and in a confined environment provided by an octa acid capsule in water. Of the ortho, meta, and para halogen substituted GFP chromophores on
Steric and electronic effects in capsule-confined green fluorescent protein chromophores
Baldridge, Anthony,Samanta, Shampa R.,Jayaraj, Nithyanandhan,Ramamurthy,Tolbert, Laren M.
supporting information; scheme or table, p. 712 - 715 (2011/04/15)
The turn-on of emission in fluorescent protein chromophores sequestered in an "octaacid" capsule is controlled by stereoelectronic effects described by a linear free energy relationship. The stereochemical effects are governed by both the positions and volumes of the aryl substituents, while the electronic effects, including ortho effects, can be treated with Hammett σ parameters. The use of substituent volumes rather than A values reflects packing of the molecule within the confines of the capsule.
