JEE Main 2022 · 24 Jun · Shift 2 · Chemistry Q79

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ChemistrySingle correct+4 / -1Question 79 of 90

The structure shown below is of which well-known drug molecule ?

A 5-methylimidazole ring whose C-4 carries CH2-S-CH2CH2-NH-C(=N-CN)-NHCH3 (a cyanoguanidine).

Ranitidine

Seldane

Cimetidine

Codeine

Answer and worked solution

Official answer: C

Recognise it. A 5-methylimidazole linked by $\mathrm{CH_2SCH_2CH_2}$ to an N-cyano-N′-methylguanidine is cimetidine, the H₂-receptor antagonist (antacid). Ranitidine has a furan ring instead.

(C)

Topics:Drugs

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JEE Main 2022 · 24 Jun · Shift 2, Chemistry question 79