3094. 9-Dicyanomethylene-2,4,7-trinitrofluorene

Nomenclature

CAS number: 1172-02-7
(2,4,7-trinitro-9H-fluoren-9-ylidene)propanedinitrile; DTF.
C16H5N5O6; mol wt 363.24.
C 52.90%, H 1.39%, N 19.28%, O 26.43%.

Description and references

Prepn from 2,4,7-trinitrofluorenone: Mukherjee, Levasseur, J. Org. Chem. 30, 644 (1965).

Chemical structure

Properties

Yellow crystals from acetonitrile, mp 266-268°. uv max (dichloromethane): 365 nm (log ε 4.38).

Use

Forms charge-transfer complexes with aromatic hydrocarbons and amines.