Kakiya, Hirotada published the artcileReaction of gem-dibromocyclopropanes or iodobenzofuran with trialkylmanganate, Category: benzofurans, the publication is Tetrahedron (2000), 56(15), 2131-2137, database is CAplus.
Treatment of gem-dibromocyclopropanes with trialkylmanganate, derived from manganese(II) chloride and three equivalent of Grignard reagent or alkyllithium, followed by an addition of electrophiles provided dialkylated cyclopropanes in good yields. It was found that the reaction of gem-dibromocyclopropanes with alkylmagnesium halide proceeded in the presence of a catalytic amount of manganese(II) chloride. The use of iodobenzofuran in place of gem-dibromocyclopropane gave a ring opening product, 2-alkenylphenol.
Tetrahedron published new progress about 69626-75-1. 69626-75-1 belongs to benzofurans, auxiliary class Iodide,Benzofuran, name is 2-Iodobenzofuran, and the molecular formula is C8H5IO, Category: benzofurans.
Referemce:
https://en.wikipedia.org/wiki/Benzofuran,
Benzofuran | C8H6O – PubChem