Thiochromone compound, intermediate for preparing thiochromone compound, preparation method of thiochromone compound and application of thiochromone compound

The invention discloses a thiochromone compound and belongs to the technical field of chemical synthesis, the thiochromone compound has a structure as shown in a general formula (4), the invention also discloses a preparation method of the compound, and the thiochromone compound is prepared through dearomatization [4 + 2] cycloaddition/elimination/oxidation cascade reaction with nitrobenzo heterocycle as a substrate. The invention also discloses application of the compound in preparation of medicines for treating tumor diseases. The method has important application value in drug screening and pharmaceutical industry. The method is simple and easy to operate, the raw materials are cheap and easy to obtain, and the product has good air stability, can be carried out in various organic solvents, has good compatibility for various substituent groups, and is wide in applicability. 本发明公开了一类硫代色酮类化合物，属于化学合成技术领域，所述硫代色酮类化合物具有如通式（4）所示的结构，本发明还公开了上述化合物的制备方法，是以硝基苯并杂环为底物的去芳构化[4+2]环加成/消除/氧化级联反应制备而成，本发明还公开了上述化合物在制备用于治疗肿瘤疾病药物中用