Dave Carbery

Question 1

What are Huckels rules?

Answer 1

A) the system is cyclic
B) the system is planar
C) the system is fully conjugated (continuous p orbital overlap)
D) the system contains 4n+2 pi electrons (n is simply an integer)

Question 2

What is the evidence for the pi deficient nature of pyridine?

Answer 2

Dipolemoment in resonance forms

Proton NMR

Question 3

What is the evidence for the pi excessive nature of pyrrole

Answer 3

Evidenced by dipole moment and proton nmr

Question 4

What is the Vilsmeir Formylation?

Answer 4

An important method of introducing a one carbon fragment

Question 5

What are the three steps in the Suzuki coupling?

Answer 5

1. Oxidative insertion
2. Trans-metallation
3. Reductive elimination

Question 6

What is the hybridisation state of N in Nitrile?

Answer 6

Sp

Question 7

What is the hybridisation state of N in imine

Answer 7

Sp2

Question 8

What is the hybridisation state of N in enamine

Answer 8

Sp2

Question 9

What is the hybridisation state of N in amine?

Answer 9

Sp3

Question 10

What is the sonogashira coupling reaction the union of?

Answer 10

Aryl halide and the terminal alkyne