Basic Organic Nomenclature

An Introduction

Dave Woodcock,
Associate Professor Emeritus UBC (Okanagan)
©1996,2000, 2008

7. Stereochemistry (iii)

IV. Naming Enantiomers
R/S System
(ii) More than One Chirality Center

Self-study Questions


Name the following compounds including the R/S designators.

# Line drawing IUPAC Name 3-D model
1 (2R,3R)-2-Bromo-3-methylpentanoic acid
2 (3R,4S)-Heptane-3,4-diol
3 (4S,7R)-7-Methylnonan-4-amine
4 (2S,3S)-2,3-Dihydroxybutanedioic acid
(Tartaric acid)
5 (S)-2-Methylbut-1-yl (S)-2-methylbutanoate
6 (2R,5S,3Z)-2,5-Dibromohex-3-ene
(meso - achiral molecule)
7 (3R,4R)-4-Hydroxy-3-methylheptane-2,5-dione
8 (1R,2S)-1,2-Dibromo-1-methylcyclopentane
9 (2R,4R)-2-Ethyl-4-hydroxyhexanoic acid
10 (2S,3S)-3-Amino-N-methylbutan-2-ol
Review R/S (i) One Chirality Centre.

Next Page: Chiral with no Chirality Centre


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