Sulfur-containing acetamide compound as well as preparation method and application thereof

The invention discloses a sulfur-containing acetamide compound as well as a preparation method and application thereof. The compound has a structural formula as shown in a formula I: # imgabs0, R1 is selected from H, C1-6 alkyl and naphthyl, # imgabs1, R7 is selected from H, C1-6 alkyl, halogen, cyano, cyano-substituted phenyl, nitryl, C1-6 alkoxy, phenyl, C1-6 halogenated alkyl and C2-6 ester groups, and R7 is selected from H, C1-6 alkyl, halogen, cyano, cyano-substituted phenyl, nitryl, C1-6 alkyl and C2-6 ester groups. R2 is selected from H and C1-6 alkyl groups; r3 is selected from H, halogen and alkoxy of C1-6; r4 is selected from H, halogen, a cyano group, a nitro group, a C1-6 alkoxy group and a C1-6 alkyl group; r5 is selected from H and C1-6 alkyl groups; r6 is selected from H, C1-6 alkyl groups and # imgabs2, wherein R8 is selected from C1-6 alkyl groups. The invention develops a sulfur-containing acetamide compound with a novel structure, and the compound has the effect of inhibiting the activity o