40113-65-3Relevant academic research and scientific papers
A double bond-conjugated dimethylnitrobenzene-type photolabile nitric oxide donor with improved two-photon cross section
Ieda, Naoya,Hishikawa, Kazuhiro,Eto, Kei,Kitamura, Kai,Kawaguchi, Mitsuyasu,Suzuki, Takayoshi,Fukuhara, Kiyoshi,Miyata, Naoki,Furuta, Toshiaki,Nabekura, Junichi,Nakagawa, Hidehiko
, p. 3172 - 3175 (2015/07/08)
Abstract Photocontrollable NO donors enable precise spatiotemporal release of NO under physiological conditions. We designed and synthesized a novel dimethylnitrobenzene-type NO donor, Flu-DNB-DB, which contains a carbon-carbon double bond in place of the
Visible light-induced nitric oxide release from a novel nitrobenzene derivative cross-conjugated with a coumarin fluorophore
Kitamura, Kai,Ieda, Naoya,Hishikawa, Kazuhiro,Suzuki, Takayoshi,Miyata, Naoki,Fukuhara, Kiyoshi,Nakagawa, Hidehiko
, p. 5660 - 5662 (2015/01/08)
Nitric oxide (NO) is a well-known free-radical molecule which is endogenously biosynthesised and shows various functions in mammals. To investigate NO functions, photocontrollable NO donors, compounds which release NO in response to light, are expected to
Peroxynitrite generation from a NO-releasing nitrobenzene derivative in response to photoirradiation
Ieda, Naoya,Nakagawa, Hidehiko,Horinouchi, Taeko,Peng, Tao,Yang, Dan,Tsumoto, Hiroki,Suzuki, Takayoshi,Fukuhara, Kiyoshi,Miyata, Naoki
, p. 6449 - 6451 (2011/06/27)
Photocontrollable ONOO- generation from a nitrobenzene derivative was demonstrated. The designed compound released NO in response to photoirradiation, and the resulting semiquinone reduced molecular oxygen to generate O2-; reaction of the two generated ONOO -, as confirmed with an ONOO- fluorescent probe, HKGreen-3.
Thermal rearrangements of (arylimino)diaziridines by simultaneous cascades of pericyclic reactions
Quast, Helmut,Ross, Karl-Heinz,Philipp, Gottfried
supporting information; experimental part, p. 2212 - 2217 (2010/06/20)
(Arylimino) diaziridines rearrange in several cascade reactions at temperatures 60-100 °C. Those that possess unoccupied ortho positions yield fluorescent: 3-amino-2H-indazoles and 2-amino-1H-benzimidazoles. If both ortho positions are blocked by methyl groups, indazoles are not formed and deeply yellow 2-imino-2,3-dihydro-3aH-benzimidazoles are formed, which partly dimerize through Diels-Alder reaction or regenerate the aromatic system, by formal loss of CH2. In addition, one of the methyl groups of 2,6-dimethylphenyl rings is involved in a [1,7] H shift affording orthoquinonoid intermediates which undergo 1,6-electrocyclization to furnish 2-amino-3,4-dihydroquinazolines. The formation of fivemembered ring heterocycles is interpreted in terms of valence isomerization by [1,3] N shift to yield elusive 1-ary 1-3iminodiaziridines as first step. These immediately experience triaza-Cope rearrangement to benzimidazole derivatives or electrocyclic opening of the N-C bond to generate conjugated azomethine imines (1,5-dipoles), followed by their 1,5electrocyclization to indazoles. First-order rate constants of the decay of (arylimino) diaziridines refer to the [1,3] N shifts as rate-determining steps. They are larger than the corresponding rate constants for alkylsubstituted iminodiaziridines.
Photoinduced nitric oxide release from a hindered nitrobenzene derivative by two-photon excitation
Hishikawa, Kazuhiro,Nakagawa, Hidehiko,Furuta, Toshiaki,Fukuhara, Kiyoshi,Tsumoto, Hiroki,et al.
supporting information; experimental part, p. 7488 - 7489 (2009/10/16)
(Chemical Equation Presented) Here, we demonstrated photoinduced NO generation from a 2,6-dimethylnitrobenzene-based compound (Flu-DNB) via a two-photon excitation (TPE) process. After pulse laser irradiation to a solution of Flu-DNB, oxidation products of NO were observed. This is the first account of a non-nitrosyl-chelated metal ion containing NO donor which can be controlled by the TPE technique.
Photoinduced nitric oxide release from nitrobenzene derivatives
Suzuki, Takayoshi,Nagae, Osamu,Kato, Yuka,Nakagawa, Hidehiko,Fukuhara, Kiyoshi,Miyata, Naoki
, p. 11720 - 11726 (2007/10/03)
A new type of photoinduced nitric oxide (NO) donors was designed from nitrobenzene derivatives. Visible-light irradiation of 2,6-dimethylnitrobenzenes bearing extended π-electron systems at the 4-position revealed efficient NO release using ESR analysis a
Migrations in Oxidations of Mesidine
Goldstein, Stephen L.,McNelis, Edward
, p. 1613 - 1620 (2007/10/02)
The oxidation of mesidine in methanolic media by ferricyanide, dichromate, and persulfate afforded an anil 4 containing a shifted methoxymethyl group in addition to the principal anil 3 formed by oxidative dealkylation.Possible intermediates 6, 7, and 8 were prepared and oxidized to the product anils.Oxidations of related anilines 9, 10, and 13 did not parallel those of mesidine but afforded analogues of 3.There is significant spectral evidence for anils with alkyl shifts but little for anils analogous to 4.
Anovulatory method and chicken feed compositions
-
, (2008/06/13)
2-(Substituted phenylimino)imidazolidines delay the onset of egg production in young pullets and inerrupt egg production in mature hens and are useful in producing an artificial molt.
