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Tetraphosphatricyclo[4.2.0.0 2,5 ]octadienes; New Phosphaalkyne Cyclotetramers Derived from λ 3 σ 2 ‐Diphosphetes
Author(s) -
Geissler Bernhard,
Barth Stefan,
Bergsträsser Uwe,
Slany Michael,
Durkin Julie,
Hitchcock Peter B.,
Hofmann Matthias,
Binger Paul,
Nixon John F.,
von Ragué Schleyer Paul,
Regitz Manfred
Publication year - 1995
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199504841
Subject(s) - chemistry , yield (engineering) , product (mathematics) , physics , mathematics , thermodynamics , geometry
Two new tetrameric phosphaalkynes , the isomers 1 and 3 , have been synthesized. The cyclotetramer 1 with a “central” P 4 unit forms in high yield by the demetalation of the zirconium compound 2 with [(Ph 3 P) 2 NiCl 2 ]. The isomer 3 , which contains two PC double bonds, is obtained as a by‐product in the reaction of 2 with hexachloroethane; the major product is the tetraphosphacubane 4 .