title: Zr-promoted linear coupling of alkynes to generate bis(allene)s.
abstract: Zirconium promoted linear coupling of alkynes to generate bis(allene)s with high yields in the presence of nBuLi and chlorophosphines or trimethylsilyl trifluoromethanesulfonate.
authors.affiliation: Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.
authors.forename: Xiaoyu
authors.initials: X
authors.lastname: Yan
authors.forename: Chunbo
authors.initials: C
authors.lastname: Lai
authors.forename: Chanjuan
authors.initials: C
authors.lastname: Xi
mesh_terms: D000466:Alkadienes / Q000737:chemistry*; D000480:Alkynes / Q000737:chemistry*; D002384:Catalysis; D018360:Crystallography, X-Ray; D008698:Mesylates / Q000737:chemistry*; D008956:Models, Chemical; D013237:Stereoisomerism; D015040:Zirconium / Q000737:chemistry*
chemical_list: D000466:Alkadienes; D000480:Alkynes; D008698:Mesylates; C025947:propadiene; D015040:Zirconium; C012077:trifluoromethanesulfonic acid