Synfacts, Table of Contents Synfacts 2023; 19(11): 1088DOI: 10.1055/s-0042-1752278 Synthesis of Materials and Unnatural Products Highly Crowded Triply Fused Carbo[7]-heliceneContributor(s): Dahui Zhao , Guantao YangRecommend Article Abstract Buy ArticleKey words Key wordsmultihelicenes - [2+2+2] cycloaddition - nickel catalysis - negatively curved Full Text