I have to assign R or S to the chiral centers in (-)-menthol and (+)-neomenthol.
The results I got are shown below in the picture.
However, when I looked on Wikipedia to check my answers they said the answers were for (-)-menthol [1R, 2S, 5R] and for (+)-neomenthol [1S, 2S, 5R].
I thought the stereocenter had to be chiral and have four different groups off the carbon in order to assign it R or S, why does each molecule have 8 stereocentres when I think there are only three.
Another question it asks is what is the relationship of the two compounds?
I'm fairly certain they are diastereomers. Is this correct?