Home Publications Chaisan, N.; Ruengsangtongkul, S.; Tummatorn, J.; Ruchirawat, S.; Chainok, K.; Thongsornkleeb, C. Dibrominative Spirocyclization of 2-Butynolyl Anilides: Synthesis of gem-Dibromospirocyclic Benzo[d][1,3]oxazines and Their Application in the Synthesis of 4H-Furo[3,2-b]indoles. J. Org. Chem. 2021, 86, 4671–4698.