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US 9,751,896 B1Granted
Asymmetric 7-N isatin dimer Schiff base compounds with antitumor activities and a method of preparing the same
AssigneeShaanxi University of Science and Technology
InventorsChengyuan Liang, Minyi Jia, Danni Tian, Xuechuan Wang, Xuefeng Chen, Juan Li, Guang Tong
Life of this patent
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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.
Claims11
A compound with antitumor activities represented by formula I:
- wherein R1, R2, R3, and R4 are independently hydrogen, nitro, alkoxy, halogen, unsubstituted or substituted phenyl, substituted or substituted benzyl, unsubstituted or substituted alkyl, or unsubstituted or substituted cycloalkyl.
Dependencies are inferred from the claim text.