Naphtharazin can be prepared by condensation of 1,4-dimethoxybenzene with 2,3-dichloromaleic anhydride followed by reductive dechlorination and reoxidation .
Naphtharazin can be followed by condensation of 1,4-dimethoxybenzene with 2,3-dichloromaleic anhydride prepared by reductive dechlorination and reoxidation .