Abstract
1H-Benzotriazole (BtH) is a non-volatile, white crystalline powder that melts at 98.5 ˚C. It is insoluble in water, but soluble in aqueous sodium carbonate, and in ethanol. It is intrinsically unreactive, stable under many conditions, cheap, and ready available. Because of its chemical properties, it can be used as a valuable synthetic auxiliary, allowing an enormous variety of reactions. [¹] A benzotriazole group activates the carbon atom to which it is attached in various ways: by acting as a leaving group; by enabling deprotonation; or by acting as an electron donor. An attached benzotriazole group is also an ambient anion-directing group and it can act as a radical or carbanion precursor. [¹]
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