title: Copper(I)-catalyzed highly efficient synthesis of benzoselenazoles and benzotellurazoles.
abstract: A simple and practical useful synthetic method of 1,3-benzoselenazoles having a heteroatom substituent such as NRR', OR, and SR groups at the 2-position was developed by the copper(I)-catalyzed reaction of 2-bromophenyl (1) or 2-iodophenyl (2) isocyanides with selenium and heteroatom nucleophiles. In addition, the synthesis of 2-amino-1,3-benzotellurazoles is also described.
authors.affiliation: Department of Chemistry, Osaka Dental University, Hirakata, Osaka 573-1121, Japan. fujiwara@cc.osaka-dent.ac.jp
authors.forename: Shin-ichi
authors.initials: S
authors.lastname: Fujiwara
authors.forename: Yoshiaki
authors.initials: Y
authors.lastname: Asanuma
authors.forename: Tsutomu
authors.initials: T
authors.lastname: Shin-ike
authors.forename: Nobuaki
authors.initials: N
authors.lastname: Kambe
mesh_terms: D001393:Azoles / Q000138:chemical synthesis* / Q000737:chemistry; D001555:Benzene Derivatives / Q000138:chemical synthesis* / Q000737:chemistry; D002384:Catalysis; D003300:Copper / Q000737:chemistry*; D015394:Molecular Structure; D016566:Organoselenium Compounds / Q000138:chemical synthesis* / Q000737:chemistry; D013691:Tellurium / Q000737:chemistry*
chemical_list: D001393:Azoles; D001555:Benzene Derivatives; D016566:Organoselenium Compounds; C042514:cuprous ion; D003300:Copper; D013691:Tellurium