Sultan, Shaista Visible Light-Mediated [2 + 2] Cycloaddition Reactions of 1,4-Quinones and Terminal Alkynes. [electronic resource] - The Journal of organic chemistry 07 2019 - 8948-8958 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1520-6904 Standard No.: 10.1021/acs.joc.9b00855 doi