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.   |