2,3-Dichloro-5,6-dicyano-p-benzoquinone

98%

Synonym: 4,5-Dichloro-3,6-dioxo-1,4-cyclohexadiene-1,2-dicarbonitrile, DDQ
CAS Number: 84-58-2
Empirical Formula (Hill Notation) : C₈Cl₂N₂O₂
Molecular Weight: 227.00
Beilstein Registry Number: 747939
EC Number: 201-542-2
MDL number: MFCD00001593
assay: 98%
mp: 210-215 °C (dec.)(lit.)
storage temp. : 2-8°C

Application

Used with Ph3P in an efficient synthesis of 1,2-benzisoxazoles.

Versatile deprotection reagent for a variety of compounds, such as thioacetals, acetals, and ketals. Useful electron-transfer reagent for synthesis of quinolines from imines and alkynes or alkenes.