An efficient and simple one-pot synthesis of 2-perfluoroalkylated benzo[1,3]dioxole derivatives via double–Michael reaction of fluorinated alkynes

Add time:07/23/2019    Source:sciencedirect.com

An efficient, mild and very easy method for the synthesis of 2-fluoroalkylated 1,3-benzodioxole derivatives was developed through a double Michael-addition reaction on ethyl 4,4,4-trifluorobut-2-ynoate with corresponding catechols. The procedure does not require the use of expensive supplementary additives for the preparation of 2-fluoroalkylated benzo ketals.

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