Furthermore, the reaction demonstrated good versatility by employing 1,1-arylated-ethylenes (2k-n) with diverse range of gem-diborylalkenes 1, resulting in the formation of highly substituted cyclobutane products (3k-y), that possessing gem-diboryl unit and three aryl rings, in moderate yields (Figure ). Substituted arylated gem-diborylalkenes with both EDG and EWG 1b-i were also tolerated and yielded the desired products 3o-w. This include, gem-diborylalkenes with 1-naphthalene 1h and 1,3-benzodioxole 1i, which were also suitable substrates, providing good yields of products (3x and 3y correspondingly). Also, boron-containing arene on the gem-diborylalkene 1g underwent the cycloaddition reaction to obtain the unique tri-Bpincontaining cyclobutane 3t in 38 % yield.