Nature CommunicationsExcitation of acyclic trisubstituted alkenes via triplet energy transfer for diastereo- and enantioselective [2 + 2] photocycloadditionJinguo LongJiayun WenZhenzhen MoXianhui ChenTing WangXianjie Fang2026-09-03Full textDOI https://doi.org/10.1038/s41467-026-77403-5