Alkene --> Alkane

Alkene --> Halogenoalkane

Alkane --> Halogenoalkane

Primary alcohol --> Alkene

Primary alcohol --> Halogenoalkane

Halogenoalkane --> Primary alcohol

Halogenoalkane --> Amine

Halogenoalkane --> Nitrile

Nitrile --> Carboxylic acid

Primary alcohol --> Aldehyde

Aldehyde --> Primary alcohol

Aldehyde --> Carboxylic acid

Carboxylic acid --> Ester

Ester --> Carboxylic acid

Carboxylic acid --> Acyl chloride

Acyl chloride --> Ester

Acyl chloride --> Primary amine

Acyl chloride --> Secondary amide