Question

Structure of penicillin drug is given. How many stereogenic carbons are in penicillin?

• A. $2$
• B. $3$
• C. $4$
• D. $5$

Answer 1

The correct option is B $3$

The 3 stereocenters in penicillin V, a broad spectrum antibiotic, are labeled “a,” “b,” and “c” in the structure. The four bonds to the stereocenter are reproduced in the same orientation as they are written in this structure.

THus, there are 3 stereocenters in the compound.