Organometallics

Question 1

An elementary reaction that increases both the oxidation state and coordination number of a metal center

Answer 1

Oxidative Addition

Question 2

These transition metal carbenes have the following characteristics:

• High oxidation state metals
• Supporting ligands are strong donors groups
• Heteroatoms Groups on Carbenes (Alkyl, aryl or H)

Answer 2

Schrock Carbenes

(Nucleophilic carbene)

Question 3

This reactions converts two hydrocarbons (alkanes, alkenes or alkynes) to two new hydrocarbons by the exchange of carbon–carbon single, double or triple bond.

Answer 3

Metathesis

Question 4

These transition metal carbenes have the following characteristics:

• Low oxidation state metals
• supporting ligands are pi acceptors
• Heteroatoms Groups on Carbenes (^-OCH3, Cl^-, ^-NR2) (π donors)

Answer 4

Fischer Carbenes

(Electrophilic Carbenes)

Question 5

What elementary reactions is highlighted below in the reverse direction.

(Pink arrrow)

Answer 5

β elimination

Question 6

What elementary reactions is highlighted below in the foward direction.

(Pink arrrow)

Answer 6

1,2 Migratory insertion

Question 7

An elementary reaction that decreases both the oxidation state and coordination number of a metal center

Answer 7

Reductive Elimination