[EN] BENZIMIDAZOLE DERIVATIVES AND THEIR USE FOR MODULATING THE GABAA RECEPTOR COMPLEX<br/>[FR] DERIVES DE BENZIMIDAZOLE ET LEUR UTILISATION DANS LA MODULATION DU COMPLEXE RECEPTEUR GABAA
申请人:NEUROSEARCH AS
公开号:WO2004087137A1
公开(公告)日:2004-10-14
This invention relates to novel benzimidazole derivatives of formula (I), pharmaceutical compositions containing these compounds, and methods of treatment therewith. The compounds of the invention are useful in the treatment of central nervous system diseases and disorders, which are responsive to modulation of the GABAA receptor complex, and in particular for combating anxiety and related diseases.
Transition-Metal-Free Cross-Coupling of Indium Organometallics with Chromene and Isochroman Acetals Mediated by BF<sub>3</sub>·OEt<sub>2</sub>
作者:José M. Gil-Negrete、José Pérez Sestelo、Luis A. Sarandeses
DOI:10.1021/acs.orglett.6b02058
日期:2016.9.2
coupling of triorganoindiumreagents with benzopyranyl acetals mediated by a Lewis acid has been developed. The reaction of R3In with chromene and isochroman acetals in the presence of BF3·OEt2 afforded 2-substituted chromenes and 1-substituted isochromans, respectively, in good yields. The reactions proceed with a variety of triorganoindiumreagents (aryl, heteroaryl, alkynyl, alkenyl, alkyl) using
Palladium-Catalyzed Cross-Coupling of 4-Tosyloxyquinazolines with Organoindium Reagents: An Efficient Route to 4-Substituted Quinazolines
作者:Yiyuan Peng、Xinglin Ye、Jianjun Yuan、Yirong Zhou、Zhihong Deng、Xuechun Mao
DOI:10.1055/s-0035-1562504
日期:——
of 4-functionalized quinazolines in good to excellent yields. Higher yields were obtained by the one-pot reaction of quinazolinone, p-methylbenzenesulfonyl chloride, Pd2(dba)3-/(2-furyl)3P, and organoindium reagent. These methods using organoindium compounds as coupling partners provided an efficient route to 4-(hetero)aryl/alkylquinazolines, especially 4-substituted quinazolines bearing a halogen scaffold
摘要 描述了在温和条件下通过喹唑啉酮的芳基化或烷基化制备4-取代的喹唑啉的有效途径。在K 2 CO 3存在下,通过喹唑啉酮类与对甲基苯磺酰氯的反应获得了4-甲苯磺酰喹唑啉。在Pd 2(dba)3 /(2-呋喃基)3 P的催化下,在四氢呋喃中进行的4-甲苯磺酰氧基喹唑啉与有机铟试剂的交叉偶联反应导致形成4-官能化的喹唑啉,收率好至极佳。通过一锅反应喹唑啉酮,对甲基苯磺酰氯,Pd 2(dba)3获得更高的收率-/(2-呋喃基)3 P和有机铟试剂。这些使用有机铟化合物作为偶联伙伴的方法为制备4-(杂)芳基/烷基喹唑啉,特别是带有卤素骨架的4-取代喹唑啉提供了一条有效途径。 描述了在温和条件下通过喹唑啉酮的芳基化或烷基化制备4-取代的喹唑啉的有效途径。在K 2 CO 3存在下,通过喹唑啉酮类与对甲基苯磺酰氯的反应获得了4-甲苯磺酰喹唑啉。在Pd 2(dba)3 /(2-呋喃基)3 P的催化下,在四
Synthesis of 4,6-disubstituted 2-(4-morpholinyl)pyrimidines by cross-coupling reactions using triorganoindium compounds
作者:M. Montserrat Martínez、Cristina Pérez-Caaveiro、Miguel Peña-López、Luis A. Sarandeses、José Pérez Sestelo
DOI:10.1039/c2ob26398j
日期:——
6-Disubstituted-2-(4-morpholinyl)pyrimidines, an important class of bioactive compounds, have been synthesized from 4,6-dichloro-2-(4-morpholinyl)pyrimidine by selective and sequential palladium-catalyzed cross-couplingreactionsusing triorganoindium reagents. This methodology, being efficient and versatile, allowed the synthesis of a variety of non-symmetrical pyrimidines functionalized at C-4 and C-6