Lecture 1

Question 1

What Catalyst is used in the trimerisation of ethyne?

Answer 1

Ni(CO)2(PPh3)2 or CpCo(CO)2

Question 2

What is the main problem with alkene trimerisation?

Answer 2

Regioselectivity with asymmetrical alkynes

Question 3

What is the solution for the main problem with trimerisation?

Answer 3

Tether two of the alkynes together and ensure one or both of the partners are symmetrical