Chemistry of Heterocycles

Furfural is synthesized from which compound?

• Glucose

• Pentose

• Acetonulacetone

• Both ii and iii

Reduction of Pyrrole gives which one?

• 2,5-Dihydropyrroline

• pyrroline

• Both i and ii

• THF

Hantzsch Synthesis of Pyridine involves-

• Ethyl acetoacetate

• Ammonia

• Aldehyde

• All of these

Freidel-Craft Acylation of Pyridine gives-

• 2-Acetyl pyridine

• 3-Acetyl Pyridine

• Acetaminophen

• No reaction

2-Acetyl Pyrrole is synthesized by using-

• Acetyl nitrate

• Zinc cyanide

• Acetic anhydride

• Pyridine

Example of Metal hydrides-

• LiAlH₄

• NaBH₄

• LiAlH(OC₂H₅)₃

• All of these

Wolff-Kishner reduction is carried under-

• Acidic atmosphere

• Basic media

• Strongly acidic

• None of these

Reagents for Clemmensen Reduction

• Zinc amalgam

• Zinc chloride

• Mercury

• None of these

Example of Mineral acid is-

• Acetic acid

• Benzoic acid

• Furoic acid

• Hydrochloric acid

Which one is non-aromatic?

• Piperidine

• Pyrrole

• Pyridine

• Quinoline