DDQ reagent(dichloro dicyano quinone)

 DDQ reagent

 full form of DDQ reagent is dichloro dicyano quinone

 structure of DDQ 

DDQ is a yellow solid

 mechanism of reaction with DDQ 

when DDQ react with the the compound having allylic or benzylic hydrogen then first of all DDQ abstract hydride ion from allylic position then Proton abstract by DDQ

used as a a dehydrogenating agent 

application of DDQ

 1.create unsaturationby DDQ,

2. complete aromatisation by DDQ,

3.oxidation of alcohol by DDQ,