F-block Catalysis Flashcards
1
Q
steps involved
A
s-bond metathesis and insertion
2
Q
regioselectivity of insertion
A
EDG alkyl stabilises delta+ve
EWG stabilises delta-ve
3
Q
why Gp 3 metallocenes used for polymerisation reactions
A
isoelectronic with Gp 4 cations which are the usual catalysts
4
Q
Gp 4 catalyst for polymerisation reactions
A
bimetallic Nd complex, Nd has no potential oxidation states