Hintz, Heather A The synthesis of lactone-bridged 1,3,5-triphenylbenzene derivatives as pi-expanded coumarin triskelions. [electronic resource] - Tetrahedron letters 12 2017 - 4703-4708 p. digital Publication Type: Journal Article ISSN: 0040-4039 Standard No.: 10.1016/j.tetlet.2017.11.010 doi