under-basic-conditions-compound-ii-will-form-a-conjugate-system-while-compound-i

Question

Under basic conditions, compound II will form a conjugate system while compound I will not. Give a possible explanation and provide the mechanism that shows the formation of the conjugated system in compound II.

Chemical structure illustrating compound I, which lacks α-hydrogens.

Accepted Answer

Compound II will form a conjugated system because it contains an α-hydrogen, while compound I does not.

The mechanism for the formation of the conjugated system for Compound II:

Mechanism showing formation of conjugated system in compound II with α-hydrogen.

Answer

Compound I will not form a conjugated system due to the presence of α-hydrogens.

The mechanism for the formation of the conjugated system for Compound II:

Mechanism for conjugated system formation in compound II, highlighting α-hydrogen presence.

Answer

Compound II will form a conjugated system because it already has a conjugated system present.

The mechanism for the formation of the conjugated system for Compound II:

Mechanism showing electron movement in conjugated system formation for compound II.

Answer

Compound I will not form a conjugated system because it already has a conjugated system present.

The mechanism for the formation of the conjugated system for Compound II:

Mechanism showing electron movement in conjugated system formation for compound II.