Asymmetric 7-N isatin dimer Schiff base compounds with antitumor activities and a method of preparing the same

US9751896B1 · kind B1 · utility

Assignee

• SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY · CN

Inventors

• Chengyuan Liang · Xi'an, CN
• Minyi Jia · Xi'an, CN
• Danni Tian · Xi'an, CN
• Xuechuan Wang · Xi'an, CN
• Xuefeng Chen · 浮桥镇, CN
• Juan Li · Nanhu, CN
• Guang Tong · Xi'an, CN

Key dates

• Filing date: Apr 17, 2017
• Grant date: Sep 5, 2017
• Expiry date: Apr 17, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P35/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A compound with antitumor activities is represented by formula:R1, R2, R3, and R4 are independently hydrogen, nitro, alkoxy, halogen, unsubstituted or substituted phenyl, or unsubstituted or substituted alkyl or cycloalkyl.