Benzoin condensation

The benzoin addition is an addition reaction involving two aldehydes. The reaction generally occurs between aromatic aldehydes or glyoxals, and results in formation of an acyloin. In the classic example, benzaldehyde is converted to benzoin.

This article is about synthesis of Benzoin. For other uses, see Benzoin (disambiguation).

The benzoin condensation was first reported in 1832 by Justus von Liebig and Friedrich Wöhler during their research on bitter almond oil. The catalytic version of the reaction involving cyanide was developed by Nikolay Zinin in the late 1830s.

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