نتایج جستجو برای: diacetyl monooxime
تعداد نتایج: 1014 فیلتر نتایج به سال:
The regulation of fundamental aspects of neurobiological function has been linked to the ubiquitin signaling system (USS), which regulates the degradation and activity of proteins and is catalyzed by E1, E2, and E3 enzymes. The Anaphase-Promoting Complex (APC) is a multi-subunit E3 ubiquitin ligase that controls diverse developmental and signaling processes in post-mitotic neurons; however, pot...
Condensation reactions between diacetyl and α-branched primary alkylamines under mild and neutral conditions provided a mixture of 2,5-dimethylbenzoquinone(alkylimines), 2,5-dimethylbenzoquinone(bis-alkyldiimines), and N,N'-dialkyl-2,5-dimethylbenzene-1,4-diamines, which were efficiently separated as pure products by column chromatography. Both 2,5-dimethylbenzoquinone(alkylimines) and 2,5-dime...
The mol-ecule of the title compound, C(23)H(23)N(3), which was synthesized by the condensation reaction between 2,6-diacetyl-pyridine and 2-dimethyl-aniline, adopts an E configuration about both C=N imine bonds. The dihedral angles formed by the benzene rings with the pyridine ring are 89.68 (5) and 53.62 (6)°.
Citation Allen, Joseph G., Skye S. Flanigan, Mallory LeBlanc, Jose Vallarino, Piers MacNaughton, James H. Stewart, and David C. Christiani. 2015. “Flavoring Chemicals in E-Cigarettes: Diacetyl, 2,3-Pentanedione, and Acetoin in a Sample of 51 Products, Including Fruit-, Candy-, and Cocktail-Flavored E-Cigarettes.” Environmental Health Perspectives 124 (6): 733-739. doi:10.1289/ehp.1510185. http:...
1:40 p.m. – 2:00 p.m. DIACETYL INCREASES SENSORY INNERVATION AND SUBSTANCE P PRODUCTION IN RAT TRACHEA M.P. Goravanahally^, A.F. Hubbs, J.S. Fedan, M.L. Kashon, L.A. Battelli, R.R. Mercer, W.T. Goldsmith, M.C. Jackson, A. Cumpston, D.G. Frazer, and R.D. Dey National Institute for Occupational Safety and Health, CDC and West Virginia University, Morgantown, WV
A new diacetyl triterpene lactone, drosericarpone (2), was isolated from the hexane extract of the herb Cleome droserifolia, together with buchariol (1, a sesquiterpene oxide, isolated for the first time from Cleome species) and stigmasterol glucoside (3). The structures of 1-3 were identified by spectroscopic means.
This case involves a 36 year old non-smoker who worked in a factory producing food flavourings for potato crisps. He developed exertional breathlessness associated with fixed airway obstruction shortly after an uncharacteristically high exposure to the food flavouring chemical diacetyl. Unfortunately, even though he was removed from further exposure to this agent, his symptoms and spirometry di...
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