Robinson Annulation

What is the primary purpose of the Robinson annulation reaction?

• To generate ring systems

• To eliminate unsaturated bonds

• To break down complex molecules

• To create linear chains

Which two reactions are combined in the Robinson annulation?

• Friedel-Crafts acylation and hydrolysis

• Michael addition and intramolecular aldol condensation

• Diels-Alder reaction and oxidation

• Grignard reaction and esterification

During the Michael addition step, what is formed after the enolate attacks the molecule?

• A new carbon-oxygen bond

• A new carbon-carbon bond

• A new carbon-nitrogen bond

• A new carbon-sulfur bond

What is the role of tautomerization in the Michael addition step?

• To add more protons to the molecule

• To increase the energy of the molecule

• To stabilize the molecule by swapping bonds

• To break down the molecule

What type of reaction is the intramolecular aldol condensation?

• A reaction between two different molecules

• A reaction that forms a double bond

• A reaction within the same molecule

• A reaction that breaks a ring structure

What is the final product of the Robinson annulation?

• A branched chain

• A six-membered ring

• A linear chain

• A five-membered ring

What potential application does the Robinson annulation have in organic synthesis?

• Creating simple hydrocarbons

• Synthesizing steroid-like compounds

• Forming inorganic salts

• Breaking down proteins