Hydrochloric Acid → HCID 67904766, compound

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Reaction Steps

The compound 1,4-dihydro-2,6-dimethyl-4- 3-(1H-imidazol-1-yl)phenyl!-3,5-pyridinedicarboxylic acid, diethyl ester (0.1 g) was dissolved in isopropyl alcohol (2 ml) and treated with isopropanolic HCl. The solution was evaporated to dryness and the residue crystallized from ethylacetate/ethanol (3:1) mixture. The salt 1,4-dihydro-2,6-dimethyl-4- 3-(1H-imidazol-1-yl)phenyl!-3,5-pyridinedicarboxylic acid, diethyl ester hydrochloride was obtained in quantitative yield, m.p. 235°-240° C. (dec.).

Provenance & Evidence