Process for preparing a s-trialkoxy benzene

Details Process for preparing a s-trialkoxy benzene Process for preparing a s-trialkoxy benzene

C - Chemistry, Metallurgy

07

C

260/645.4

C07C 41/16 (2006.01) C07C 43/205 (2006.01)

Patent

CA 1041554

ABSTRACT A 1,3,5-trialkoxy benzene having 1-3 carbon atoms in each of the alkoxy-groups is prepared at high overall yields, with minimal formation of hazardous or polluting by-products by reacting a 1,3,5- trihalo benzene, for example 1,3,5-tribromo benzene with an alkalimetal alcoholate having 1-3 carbon atoms in the molecule in the presence of a copper salt, e.g. cuprous iodide or cupric chloride, and an aprotic solvent such as e.g. dimethylformamide. The product is readily recovered from the reaction mixture in an overall yield as high as 90%.

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