Anthrapyridone sulfonic acid compounds and their preparation methods and applications

US8968453B2 · kind B2 · utility

Assignees

• ZHUHAI NINESTAR MANAGEMENT CO., LTD. · CN
• Dalian University of Technology · CN

Inventors

• Xiaojun Peng · Dalian, CN
• Tao Liu · Shanghai, CN
• Jinhe Wu · Dalian, CN
• Rong Zhang · Zhejiang, CN
• Jingyue Wang · 东风镇, CN
• Feng Wang · Nanjing, CN
• Shaolei Li · Zhuhai, CN
• Jianzhou Zhang · Tangxia, CN
• Zhengru Yang · Tangxia, CN

Key dates

• Filing date: Jan 14, 2011
• Grant date: Mar 3, 2015
• Expiry date: Jan 14, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D11/037
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a class of compounds of general formula (I) or their salts of general formula (II):In formula (I)-(II), the substituents (A)p and (SO3H)n on the benzene ring are at the ortho, meta or para position, n is 0-2, and p is 0-3; M is selected from Li+, Na+, K+, NH4+ or organic ammonium salt N+R1R2R3R4, where R1, R2, R3, R4 are the same or different H, C1-18 alkyl groups, cyclohexyl groups, CH2CH2OH, CH(CH3)CH2OH or benzyl groups; where p>0, A stands for the same or different groups selected from: H, CN, NO2, NH2, F, Cl, Br, C1-18 alkyl group, cyclohexyl group, phenyl group, benzyl group, phenoxy group, C1-18 alkoxy group, C1-18 alkylthio group, SO2CH═CH2, SO2CH2CH2A1, NR6COR5 or NR6SO2R5.