Question

Polymyxin B, sold under the brand name Poly-Rx among others, is an antibiotic used to treat meningitis, pneumonia, sepsis, and urinary tract infections. Its structure is shown below. How many stereoisomers can be drawn in the structure of Polymyxin B? Select one: a. 4096 O b. 16,384 C. 32,768 O d. 2048 e. 8,192 f. 256 9. 16,384 h. 1024 o

Answer 1

Solution ion As per given in the there are 13 stereo centre structure Thus Total stereoisomers question, in the given 23 = 8192 Ans (e) 8,192