Exam questionKROK 2Pharmacy · 2016
To identify ouabain (a cardiac glycoside) an analytical chemist performs a reaction with dinitrobenzene solution in alkaline medium. What molecule fragment can be determined by this reaction?
Answer options
- Benzene ring
- Pyridine cycle
- Five-membered unsaturated lactone ring
- β-lactam cycle
- Purine cycle
Correct answer
Five-membered unsaturated lactone ring
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