[1 + 4]Cycloaddition of Isocyanides with 2-Acetyl-1,4-benzoquinone; a Convenient Synthesis of Isobenzofuran-4,7-quinones

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Ahmad Shaabani, Shahram Ajabi, Farhad Farrokhzad and Hamid Reza Bijanzadeh


Abstract

Isocyanides undergo formal [1+4]cycloaddition with 2-acetyl-1,4-benzoquinone to afford isobenzofuran-4,7-quinone derivatives.


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