The Compounds Below Are Base Pairs Used to Form Supramolecular

question 123

Multiple Choice

The compounds below are base pairs used to form supramolecular polymers (Org. Lett. 2011, 240) . They are held together by three intermolecular hydrogen bonds and each contains one intramolecular hydrogen bond. Which atom in structure B forms a hydrogen bond with the circled hydrogen in structure A?

• A) 1
• B) 2
• C) 3
• D) 4

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