Which of the following is not a fused-ring heterocycle?
A) purine
B) pyrimidine
C) benzofuran
D) indole
E) quinoline

Name: Which of the following is not a fused-ring heterocycle? A) purine B) pyrimidine C) benzofuran D) indole E) quinoline
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Question

Quizplus · Accepted Answer

Pyrimidine is not a fused-ring heterocycle; it consists of a single six-membered ring containing two nitrogen atoms, unlike the others which are composed of two or more rings that are chemically bonded together.

Which of the Following Is Not a Fused-Ring Heterocycle