Premium
Reaction of a Zirconocene(butadiene)borate‐Betaine Single‐Component Ziegler Catalyst with Trimethylphosphane
Author(s) -
Dahlmann Marc,
Fröhlich Roland,
Erker Gerhard
Publication year - 2000
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/1099-0682(200008)2000:8<1789::aid-ejic1789>3.0.co;2-c
Subject(s) - chemistry , betaine , boron , adduct , catalysis , ligand (biochemistry) , polymer chemistry , medicinal chemistry , component (thermodynamics) , crystallography , stereochemistry , organic chemistry , thermodynamics , biochemistry , physics , receptor
Trimethylphosphane adds to the zirconocene−[C 4 H 6 B(C 6 F 5 ) 3 ] betaine complex 2a regioselectively by an overall inversion pathway, with opening of the internal ZrF−C Ar bond and formation of the Cp 2 Zr(PMe 3 )[C 4 H 6 B(C 6 F 5 ) 3 ] adduct 6 . Complex 6 was characterized by X‐ray diffraction. The betaine complex 6 contains a −CH 2 B(C 6 F 5 ) 3 ‐substituted π‐allyl ligand with characteristic bonding parameters of C1−C2: 1.402(8) Å, C2−C3: 1.373(7) Å, Zr−C1: 2.443(5) Å, Zr−C2: 2.526(4) Å, and Zr−C3: 2.681(4) Å.