In organic chemistry nomenclature, the locant is used to show where a functional group is attached, on the parent chain. Let’s say we have a 5-carbon molecule with a ketone functional group. According to ketone nomenclature, the name will be pentanone. Pentan- for…
Amides as Primary FG: Root suffix for amides as primary functional group: -amide. Amides as Substituent Like esters, amides are not easily named as substituents. Locant “N” is used for any substituent on nitrogen.
Aldehydes as Primary FG: Root suffix for aldehydes as primary functional group: -al. When numbering carbons, aldehydes usually “demand” C1. It needs to be on an end of the parent chain! When the aldehyde is attached to a ring: -carbaldehyde Aldehydes…