3032-81-3, Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 3032-81-3, name is 1,3-Dichloro-5-iodobenzene, A new synthetic method of this compound is introduced below.
General procedure: A suspension of DL-5-methoxypyrrolidin-2-one (3a) or arylaminopyrrolidinones 3b,c (1 equiv), CuI (0.5 equiv), cesium carbonate (2 equiv), and corresponding aryl iodide (1 equiv) in dioxane was placed under a nitrogen atmosphere. The coupling ligand DMEDA (1 equiv) was added dropwise by using a syringe and the mixture was then stirred at 60 ¡ãC for various periods of time (14?88 h). At the end ofthe reaction, the insoluble salts deposited after cooling at r.t. were collected by filtration then washed with dichloromethane. The resulting filtrate was concentrated in vacuo and the residue was partitioned between water and dichloromethane. The organic layer was dried on MgSO4 and evaporated to dryness. The residue was finally purified by chromatography on silica gel column (EtOAc/n-heptane) to afford pure N-arylated compound 40?44.
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Reference:
Article; Baudelet, Davy; Daich, Adam; Rigo, Benoit; Lipka, Emmanuelle; Gautret, Philippe; Homerin, Germain; Claverie, Christelle; Rousseau, Jolanta; Abuhaie, Cristina-Maria; Ghinet, Alina; Synthesis; vol. 48; 14; (2016); p. 2226 – 2244;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com