Dihydroquinidine (also called hydroquinidine) is an organic compound, a cinchona alkaloid closely related to quinine.

The specific rotation is +226° in ethanol at 2 g/100 ml.

A derivative of this molecule is used as chiral ligand in the AD-mix for Sharpless dihydroxylation.

The substance is also a class Ia antiarrhythmic medication.

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