Summary amides and amines for ocr chemistry A level chapter 27

Amines

Amines Organic compoundsderivedfrom Ammonia NHS where
It H atoms replaced by Alkyl chain or Ring
Types 1 AliphaticAmines
N bonded at least lx straight or
branched Alkyl groups
Simplest methylamine ChsNHz

2 AromaticAmines
N bonded Arylgrp
Simplest phenylamine CellsNHz




Ammonia TrigonalPyramidal 4x bonding Regions
Ix LP Repel BP
Ñ 3x BP
H E H Bond angle 107

NB Remember LP
3D structure

Ammonium Tetrahedral 4x Bonding Regions
No LPs
Angle 109 5
Dative coordinate bond

a M

, Classifying Amines
Nitrogen Always Has loggpair Basic nucleophilic



Amine classification N AlkylGrps attached N determines


82 2 TIER
N
R3




NamingAmines 1 Amines
longestAlkylchain stem NHz at end
Suffix Amine of chain
longestAlkylchain stem NHz Not on C
Prefix Amino
Number NHz position

N B Remember Prefix
ifeng.iq



2 3 Amines
Same Alkylgrpson N Prefix di th R'grp
Suffix Amine