91827-33-7

Basic information

• Product Name: 8-nitro-9-hydroxy-10-chloro-1,4-anthraquinone
• Synonyms: 8-nitro-9-hydroxy-10-chloro-1,4-anthraquinone
• CAS NO: 91827-33-7
• Molecular Weight: 303.658
• Mol File: 91827-33-7.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 8-nitro-9-hydroxy-10-chloro-1,4-anthraquinone(CAS DataBase Reference)
• NIST Chemistry Reference: 8-nitro-9-hydroxy-10-chloro-1,4-anthraquinone(91827-33-7)
• EPA Substance Registry System: 8-nitro-9-hydroxy-10-chloro-1,4-anthraquinone(91827-33-7)

Safety Data

• Hazardous Substances Data: 91827-33-7(Hazardous Substances Data)

Upstream product

• 41099-45-0 9-chloro-10-hydroxyanthracene-1,4-dione 

Downstream Products

• 476-56-2 islandicin 

Relevant articles and documents

REGIOSELECTIVE REACTIONS OF 9-HYDROXY-10-CHLORO-1,4-ANTHRAQUINONE. SYNTHESIS OF DIGITOPURPONE AND ISLANDICIN

9-Hydroxy-10-chloro-1,4-anthraquinone, obtained in the reaction of 1,4-dihydroxy-9,10-anthraquinone with thionyl chloride, is nitrated selectively at the peri position to the chlorine atom and is converted into 5-nitro-9-hydroxy-10-chloro-1,4-anthraquinone.The isomeric 8-nitro-9-hydroxy-10-chloro-1,4-anthraquinone is formed during the hydrolysis of the nitration product and the subsequent reaction of 5-nitro-1,4-dihydroxy-9,10-anthraquinone with thionyl chloride.The reaction of 9-hydroxy-10-chloro-1,4-anthraquinone and its nitro derivatives with the carbanion generated from malonic ester leads to selective alkylation at position 3.Together, the indicated reactions make it possible to realize the regioselective synthesis of 2-methyl-1,4,8- and 2-methyl-1,4,5-trihydroxy-9,10-anthraquinones.