The Vocabulary and Concepts of Organic Chemistry

OGSTON'S PRINCIPLE 261 HCHHCC Cl H3C O Cl H3C Br (c) (a) O OH HH HO CH CCH3C CH CCH3C CH CCH3C 3 3 3 + ClH ClH ClH (b) Figure 7.75. Diastereotopic faces: (a) in 5-bromocyclopentadiene; (b) in chiral 3-chloro-2- butanone; ...