title: Triflic acid catalyzed synthesis of spirocycles via acetylene cations.
authors: Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan. tjin@mail.tains.tohoku.ac.jp
authors: Tienan
authors: T
authors: Jin
authors: Masafumi
authors: M
authors: Himuro
authors: Yoshinori
authors: Y
authors: Yamamoto
mesh_terms: D000114:Acetylene / Q000737:chemistry*; D002384:Catalysis; D002412:Cations / Q000737:chemistry; D003500:Cyclization; D008698:Mesylates / Q000737:chemistry*; D013141:Spiro Compounds / Q000138:chemical synthesis* / Q000737:chemistry
chemical_list: D002412:Cations; D008698:Mesylates; D013141:Spiro Compounds; C012077:trifluoromethanesulfonic acid; D000114:Acetylene