Preparation of 2-hydroxy-1, 2-di-2-pyridylethanone and pyrazole class compound and application as medicine

The invention relates to the technical field of medicine and provides a sulfamide and aza-t-butane 2-hydroxy-1, 2-di-2-pyridylethanone and pyrazole class compound. The compound comprises an optical isomer, a racemic modification, a cis-trans-isomer, an arbitrary combination and medical salt thereof, and the structure is shown in formula (I). The invention also provides a preparation method of the compound and application thereof, particularly application in the preparation of antineoplastic drugs. The formula (I) refers to the description.