European Journal of Organic Chemistry 2018-02-20

Synthesis of 3‐Iodobenzofurans by Electrophilic Cyclization under Solventless Conditions in a Ball Mill

Anderson Mantovani; José Hernández; Carsten Bolm

Index: 10.1002/ejoc.201800027

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Abstract

Under mechanochemical conditions, electrophilic cyclizations of 2‐alkynylanisoles provide 3‐iodobenzofurans in the absence of a solvent. Equimolar amounts of iodine are sufficient for achieving good yields. The eco‐friendly reaction conditions are mild, and various functional groups are tolerated.

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