In 1985, two researchers at the University of California, Riverside, carried out the reaction given in Fig.

Question:

In 1985, two researchers at the University of California, Riverside, carried out the reaction given in Fig. P27.51. The equilibrium mixture contained compound A (22%), a single stereoisomer of B (47%), and a single stereoisomer of C (3I%). Predict the stereochemistry of compounds B and C at the carbon marked with the asterisk (*). Explain your prediction.
Fig. P27.51