Patent ID: 11897896
Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 5:
6. The compound according to claim 5, wherein the electron-withdrawing group is selected from the group consisting of halogen, nitroso, nitro, acyl, carbonyl, a carboxylic acid group, an ester group, cyano, isocyano, SCN, OCN, SF5, boranyl, sulfinyl, sulfonyl, phosphoroso, an aza-aromatic ring group, and any one of an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 ring carbon atoms, a heteroalkyl group having 1 to 20 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms, an alkoxyl group having 1 to 20 carbon atoms, an aryloxy group having 6 to 30 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, a heteroaryl group having 3 to 30 carbon atoms, an alkylsilyl group having 3 to 20 carbon atoms and an arylsilyl group having 6 to 20 carbon atoms which are substituted with one or more of halogen, nitroso, nitro, acyl, carbonyl, a carboxylic acid group, an ester group, cyano, isocyano, SCN, OCN, SF5, boranyl, sulfinyl, sulfonyl, phosphoroso, an aza-aromatic ring group, and combinations thereof;
preferably, the electron-withdrawing group is selected from the group consisting of F, CF3, OCF3, SF5, SO2CF3, cyano, isocyano, SCN, OCN, pyrimidinyl, triazinyl, and combinations thereof.