Logo : organicmystery.com Online Organic Chemistry Tutorial

Unsaturated Hydrocarbons Examples

Extra 'a' is added to the word root when primary prefix contains di, tri etc.

Unsaturated hydrocarbons example : Buta-1,3-diene

Buta-1,3-diene

Unsaturated hydrocarbons example : 3-Methylpent-1-yne

3-Methylpent-1-yne

Unsaturated hydrocarbons example : Hexa-1,3,5-triyne

Hexa-1,3,5-triyne

Unsaturated hydrocarbons example : 2-Methylbuta-1,3-diene

2-Methylbuta-1,3-diene (not 3-Methylbuta-1,3-diene)

Double bond's end is preferred for numbering when their is a choice between double and triple bonds.

Unsaturated hydrocarbons example : 3-Methylpent-1-ene-4-yne

3-Methylpent-1-en-4-yne