描述了基于在硫原子上被芳基或烷基自由基的分子内均质取代(S H i)合成环状亚磺酸酯和亚磺酰胺的通用且有效的方法。烷基和苯并稠合的化合物都可以直接从容易制备的无环前体中获得。对映体富集的硫基杂环是通过S H i过程形成的,硫原子上的构型反转。前手性自由基的环化进行的立体化学结果各不相同,具体取决于传入自由基的大小。2-吡啶基和2-喹啉基会生成联芳基化合物,这是由于攻击芳基亚磺酸盐的邻位而不是亲硫取代引起的。
[EN] HETEROCYCLIC GPCR AGONISTS<br/>[FR] AGONISTES DES RÉCEPTEURS COUPLÉS AUX PROTÉINES G (GPCR) HÉTÉROCYCLIQUES
申请人:PROSIDION LTD
公开号:WO2010004347A1
公开(公告)日:2010-01-14
Compounds of formula (I) or pharmaceutically acceptable salts thereof, are GPCR (GPR119) agonists and are useful as for the treatment of diabetes and obesity.
A convenient synthesis of 2-alkyl-3-aryl-2,3-dihydro-1H-isoindol-1-ones by the reaction of N-alkyl-N-[(2-bromophenyl)methyl]benzamides with butyllithium
作者:Kazuhiro Kobayashi、Yuuki Chikazawa
DOI:10.1016/j.tet.2016.06.082
日期:2016.8
An unprecedented and convenient synthetic approach to 2,3-dihydro-1H-isoindol-1-one (isoindolinone) derivatives has been developed. The key and final step of the method is the reaction of N-alkyl-N-(o-bromobenzyl)benzamides with butyllithium in THF at −78 °C. The corresponding 2-alkyl-3-aryl-2,3-dihydro-1H-isoindol-1-ones were produced in moderate-to-fair yields, probably via oxidation of the initially
Copper Salt-Catalyzed Azide-[3 + 2] Cycloadditions of Ynamides and Bis-Ynamides
作者:Xuejun Zhang、Hongyan Li、Lingfeng You、Yu Tang、Richard P. Hsung
DOI:10.1002/adsc.200600404
日期:2006.11
A one-pot synthesis of amide-substituted triazoles from alkyl bromides and ynamides is described here along with syntheses of novel bis-ynamides and their applications in [3+2] cycloadditions with azides to construct unique bis-triazoles.
A Study of Graphene‐Based Copper Catalysts: Copper(I) Nanoplatelets for Batch and Continuous‐Flow Applications
作者:Sonia De Angelis、Mario Franco、Alessandra Triminì、Ana González、Raquel Sainz、Leonardo Degennaro、Giuseppe Romanazzi、Claudia Carlucci、Valentina Petrelli、Alejandro de la Esperanza、Asier Goñi、Rafael Ferritto、José Luis Aceña、Renzo Luisi、M. Belén Cid
DOI:10.1002/asia.201900781
日期:2019.9.2
heterogeneous Cu catalysts and systematically evaluated their composition and catalytic activity in azide-alkyne cycloadditions as a model reaction. The use of sustainable graphite nanoplatelets (GNPs) afforded a stable CuI catalyst with good recyclability properties, which are compatible with flow conditions, and able to catalyze other reactions such as the regio- and stereoselective sulfonylation of alkynes (addition
Compounds of formula (I) or pharmaceutically acceptable salts thereof, are GPCR (GPR119) agonists and are useful as for the treatment of diabetes and obesity.