Dalian University of Technology

Zhuhai Ninestar Management Co., Ltd.

Ninestar Management Co., Ltd.

Zhengru Yang

Feng Wang

Xiaojun Peng

Tao Liu

Rong Zhang

Jinhe Wu

Shaolei Li

Jianzhou Zhang

Jingyue Wang

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 (SOH)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, NHor organic ammonium salt NRRRR, where R, R, R, Rare the same or different H, Calkyl groups, cyclohexyl groups, CHCHOH, CH(CH)CHOH or benzyl groups; where p&#x3e;0, A stands for the same or different groups selected from: H, CN, NO, NH, F, Cl, Br, Calkyl group, cyclohexyl group, phenyl group, benzyl group, phenoxy group, Calkoxy group, Calkylthio group, SOCH&#x2550;CH, SOCHCHA, NRCORor NRSOR.

Anthrapyridone sulfonic acid compounds and their preparation methods and applications

Growing community of inventors

Guangdong, China

Zhengru Yang