1-Cyanobenzotriazole
Title: 1-Cyanobenzotriazole
CAS Registry Number: 15328-32-2
CAS Name: 1H-Benzotriazole-1-carbonitrile
Molecular Formula: C7H4N4
Molecular Weight: 144.13
Percent Composition: C 58.33%, H 2.80%, N 38.87%
Literature 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.
Properties: Colorless needles, mp 73-75°. uv max (ethanol): 253, 293 nm (e 6620, 3300).
Melting point: mp 73-75°
Absorption maximum: uv max (ethanol): 253, 293 nm (e 6620, 3300)
Use: In chemical synthesis as a cyanating reagent.

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