Q152 · CSIR-NET Chemistry, June 2011
Paper: CSIR-NET June 2011 · Subject: Organic Chemistry · Chapter: Stereochemistry · Topic: Stereochemistry – General · Marks: 2 · Difficulty: Easy
The configurations at the two stereocentres in the compound given below are 
(a)1R,4R
(b)1R,4S
(c)$1 \mathrm{S}, 4 \mathrm{R}$
(d)1S,4S
Answer
Answer (as printed): A
Explanation
The substituents are at the chiral centre are numbered according to the CIP rules. The atom with highest atomic number or atomic weigth is given the first preference.
Explanation as extracted from the printed page; notation may be imperfect.
Study loop for Stereochemistry