ABC26OR0046 · General Organic Chemistry
Subject: Organic Chemistry · Chapter: General Organic Chemistry · Topic: Conformational Analysis · Exam: CSIR-NET DEC 2016 · Marks: 2 · Difficulty: Medium
Among the structures given below, the most stable conformation for the following compound is 
(a)
(b)
(c)
(d)
Answer
Answer (as printed): C
Explanation
Ring flipping of (a) gives (c), which is more stable conformer. There is 1,3 diaxial interaction in (a) which is a destabilizing effect. 1,3 diaxial interaction is a steric interaction between axial substituent on carbon atom 1 and hydrogen atoms located on carbon atoms 3 and 5 .
Explanation as extracted from the printed page; notation may be imperfect.