2690. 1-Cyanobenzotriazole

Nomenclature

CAS number: 15328-32-2
1H-Benzotriazole-1-carbonitrile.
C7H4N4; mol wt 144.13.
C 58.33%, H 2.80%, N 38.87%.

Description and references

Cyanating agent. Prepn: M. E. Hermes, F. D. Marsh, J. Am. Chem. Soc. 89, 4760 (1967); T. V. Hughes et al., J. Org. Chem. 63, 401 (1998). Electronic structure: P. Rademacher et al., J. Mol. Struct. 513, 47 (1999). Use in cyanation: A. R. Katritzky et al., Rev. Roum. Chim. 36, 573 (1991); T. V. Hughes, M. P. Cava, J. Org. Chem. 64, 313 (1999); corrected: ibid. 2599.

Chemical structure

Properties

Colorless needles, mp 73-75°. uv max (ethanol): 253, 293 nm (ε 6620, 3300).

Use

In chemical synthesis as a cyanating reagent.