IUPAC/ Nomenclature Pt. 1

Suffix -ane represents

Acyclic saturated alkane

Any group attached to parent chain

Substituent

Saturated hydrocarbons

Alkyl groups

Position of substituents

Locants

Longest continuous chain determines

Parent chain

How is the parent chain numbered

Start at the end of the parent chain closest to the first substituent

Two or more of the same type of substituents on parent chain……

add prefixes indicating number of identical groups added

How to properly write nomenclature

Locant- prefix substituent parent

Explain steps for IUPAC process

• identify parent chain

• Number parent chain

• Add prefix and suffix

• Find locants

• Substituents closer to what end

Two or more different substituents on parent chain…..

Listed alphabetical

Halogens as substituents change from -ine to

-o

If there are two equally long continuous chains…

Pick the one with the most branches

If first branch is same distance from either end of parent chain

Give lower locant numbers to most substituents

3 carbon group w/ squiggle attached to end carbon

Propyl

3 carbon group w/ squiggle attached to middle carbon

Isopropyl

4 carbon group w/ squiggle attached to end carbon

Butyl

4 carbon group w/ squiggle attached to second carbon

Sec- butyl

4 carbon group w/ squiggle attached to branch carbon

Isobutyl

4 carbon group w/ squiggle attached to middle carbon

Tert- butyl

Alkanes ___ water soluble

Not