Cycloalkene

In organic chemistry, a cycloalkene or cycloolefin is a type of alkene hydrocarbon which contains a closed ring of carbon atoms and either one or more double bonds, but has no aromatic character.

The lowered melting point is due to the double bond preventing the compound from compact packing.

These molecules are also more reactive than cycloalkanes due to increased electron density shifts of the double bond.

The most stable trans-isomers of 10 ring or greater cycloalkenes exhibit 4  irregularities from standard geometric norms.

Pyramidalization is important in highered number rings, because it increases p-orbital overlap for stability, and reduces torsional strain.

[8] Ring-closing metathesis switches out functional groups from one or multiple terminal alkenes to form a cycloalkene.

[11] The Diels-Alder reaction, also known as cycloaddition, combines a conjugated diene and an alkene to form cycloalkene.

[11] When two carbonyl groups are coupled and undergo a McMurry reaction, there is a possibility of the formation of cycloalkenes under specific conditions.

Formation of a cycloalkane via ring closing metathesis
Formation of a cycloalkane via ring closing metathesis
Formation of a cycloalkane via Birch Reduction
Formation of a cycloalkane via Birch Reduction
Formation of a cycloalkane via a Diels-Alder Reaction
Formation of a cycloalkane via a Diels-Alder Reaction
Formation of a cyclohexane from a non-cyclic compound via a Cyclization Reaction
Formation of a cyclohexane from a non-cyclic compound via a Cyclization Reaction
Formation of a cycloalkane via an electrocyclic reaction
Formation of a cycloalkane via an electrocyclic reaction
Formation of a cycloalkane via an Intramolecular McMurry Reaction