Which of the following is the best definition of a pair of

Last updated: 7/10/2022

Which of the following is the best definition of a pair of atropisomers? a. A pair of enantiomers which do not interconvert. b. A pair of enantiomers which lack chiral centers. c. A pair of enantiomeric structures which lack chiral centers and interconvert by rotation around, carbon-carbon single bonds. d. A pair of enantiomers which lack chiral centers and do not interconvert because of hindered rotation around carbon-carbon single bonds.