[EN] SUBSTITUTED DIHYDROPYRAZINEDIONES AS MODULATORS OF THE NMDA RECEPTOR [FR] DIHYDROPYRAZINEDIONES SUBSTITUÉES EN TANT QUE MODULATEURS DU RÉCEPTEUR NMDA
THIAZOLYLIDINE UREA AND AMIDE DERIVATIVES AND METHODS OF USE THEREOF
申请人:Faghih Ramin
公开号:US20090163470A1
公开(公告)日:2009-06-25
The invention relates to novel thiazolylidine urea and amide derivatives that are PAMs of neuronal nicotinic receptors, compositions comprising the same, processes for preparing such compounds, and methods for using such compounds and compositions.
Solvent-Free Fluorination of Electron-Rich Aromatic Compounds with F-TEDA-BF<sub>4</sub>
: Toward “Dry” Processes
作者:Pavel A. Zaikin、Ok Ton Dyan、Darya V. Evtushok、Andrey N. Usoltsev、Gennady I. Borodkin、Elena V. Karpova、Vyacheslav G. Shubin
DOI:10.1002/ejoc.201700179
日期:2017.5.3
An efficient and ecologically benign method for the fluorination of activated aromaticcompounds is developed. The solventless fluorination of naphthalen‐2‐ols is achieved, and vacuum‐sublimation is used to isolate the fluorinated products in high yields and purities.
1,1-Difluoronaphthalen-2(1H)-ones as building blocks for fluorinated tetraphenes
作者:Ok Ton Dyan、Pavel A. Zaikin、Dmitry S. Fadeev、Yuri V. Gatilov、Gennady I. Borodkin
DOI:10.1016/j.jfluchem.2018.03.008
日期:2018.6
1,1-Difluoronaphthalen-2(1H)-ones were used as building blocks for synthesis of functionalized fluorinated tetraphenones via Diels-Alderreaction. Two effective methods of tetraphenone reductive aromatization were proposed. Fully aromatic stable fluorinated tetraphene derivative with high solubility and HOMO-LUMO gap of 3.08 eV was obtained.
Synthesis of vicinal difluoro aromatics and intermediates thereof
申请人:Klauck-Jacobs Axel
公开号:US06894200B2
公开(公告)日:2005-05-17
A method of preparing vicinal difluoro aromatic compounds in high yield from hydroxy aromatic compounds using various bases and a method of preparing intermediates thereof. A method for making a vicinal difluoro halogenated aromatic compound including providing a tetrafluoro derivative of a halogen substituted aromatic compound, wherein the tetrafluoro derivative has two fluorine atoms on each of two adjacent carbons and at least one additional halogen substituent; reacting the tetrafluoro derivative with a reducing agent in presence of a base for a reaction time sufficient to form the vicinal difluoro halogenated aromatic compound containing two vicinal fluorine substituents and the at least one additional halogen substituent, wherein the reducing agent is used in a reducing agent effective amount sufficient to retain the at least one additional halogen substituent.
1,1-Difluoronaphthalene-2(1H)-ones in Diels-Alder reaction
作者:Pavel A. Zaikin、Ok Ton Dyan、Dmitry S. Fadeev、Yurii V. Gatilov、Gennady I. Borodkin
DOI:10.1016/j.jfluchem.2017.04.008
日期:2017.7
1,1-Difluoronaphthalene-2(1H)-ones were proposed as novel fluorinated dienophiles for the Diels-Alder reaction. The influence of the diene structure, reaction conditions on the rate and diastereoselectivity of the Diels-Aldercycloaddition was studied. For the reaction of 1,1-difluoronaphthalene-2(1H)-one with cyclopentadiene a good correlation of the logarithm of endo/exo ratio vs solvent polarity