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Tetraphosphacyclobutadiene as Complex Ligand
Author(s) -
Scherer Otto J.,
Vondung Jürgen,
Wolmershäuser Gotthelf
Publication year - 1989
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.198913551
Subject(s) - ligand (biochemistry) , cyclobutadiene , chemistry , pyramid (geometry) , distortion (music) , phosphorus , white phosphorus , crystallography , stereochemistry , materials science , molecule , physics , optics , organic chemistry , optoelectronics , amplifier , receptor , biochemistry , cmos
The phosphorus analogue of cyclobutadiene, cyclo ‐P 4 , can be stabilized as a ligand in the slightly distorted P 4 Nb pyramid of 1 . The photochemical synthesis of 1 was achieved under very mild conditions starting from [Cp * Nb(CO) 4 ] and white phosphorus. The likewise prepared triple‐decker complex 2 , containing a cyclo ‐P 6 middle “deck”, displays a μ, η 3 , η 3 distortion of the cyclo ‐P 6 ligands as observed for the η 5 ‐C 5 Me 4 Et analogue.
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