The Tan group has introduced a new paradigm of “relay energy transfer” enabling asymmetric photocatalytic [4+2] cycloadditions, including dearomative cycloadditions of quinolines with alkenes, delivering chiral products in 46–99% yields. The work was published in Science (2026, 392, 850–857).
Paper link: https://www.science.org/doi/10.1126/science.aeb8506