Title: 2,3-Dichloro-5,6-dicyanobenzoquinone
CAS Registry Number: 84-58-2
CAS Name: 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile
Additional Names: DDQ
Molecular Formula: C8Cl2N2O2
Molecular Weight: 227.00
Percent Composition: C 42.33%, Cl 31.24%, N 12.34%, O 14.10%
Literature References: Prepn: Thiele, Günther, Ann. 349, 45 (1906); Walker, Waugh, J. Org. Chem. 30, 3240 (1965).
Properties: Yellow to orange crystals, mp 213.5-215°. Dec in water. Sol in benzene, dioxane, acetic acid. Slightly sol in chloroform, methylene chloride.
Melting point: mp 213.5-215°
Use: Oxidizing agent, especially in steroid synthesis. |