2021-11-24 | Pd(II)-Catalyzed Synthesis of Benzocyclobutenes by β-Methylene-Selective C(sp3)–H Arylation with a Transient Directing Group – J. Am. Chem. Soc. Philip A. Provencher, John F. Hoskin, Jonathan J. Wong, Xiangyang Chen, Jin-Quan Yu, K. N. Houk*, and Erik J. Sorensen*.