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I'm a little confused. In example 3.3 in chapter 3, the arrow goes from priority #1 to 3 and since #4 is in the back why is it an S stereocenter? why didn't the arrow go from priority 1 to priority #2 when #4 is already in the back? I'm talking about the third 2nd chiral center. why is it not 3R?
btw, it's on page 189.
thanks for your help.
btw, it's on page 189.
thanks for your help.
