Methyl 3-(4-methoxyphenyl)-2-oxiranecarboxylate

Its specific spatial arrangement (stereochemistry) is essential for diltiazem’s therapeutic activity, making this glycidic ester vital for creating the correct, active form of the final drug. Methyl 3-(4-methoxyphenyl)-2-oxiranecarboxylate, specifically the (2R,3S) stereoisomer, is a crucial chiral intermediate (or building block) in the industrial synthesis of diltiazem, a widely used calcium channel blocker for treating hypertension and angina.

API Name Diltiazem
CAS No 42245-42-1
Molecular Formula C11H12O4
Molecular Weight 208.21 g/mol
Synonyms methyl 3-(4-methoxyphenyl)oxirane-2-carboxylate

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