A limited number of chiral compounds having no stereogenic centers exist. For example, alt...

A limited number of chiral compounds having no stereogenic centers exist. For example, although A is achiral, constitutional isomer B is chiral. Make models and explain this observation. Compounds containing two double bonds that share a single carbon atom are called allenes. Locate the allene in the antibiotic mycomycin and decide whether mycomycin is chiral or achiral.