New tetramethyl-cis-diaza-bicyclo[4.2.0]octane-3,5-dione derivatives having a differentiation-inducing activity.

摘要

As new compounds are now provided 7,7,8,8-tetramethyl-cis-diaza-bicyclo{4.2.0}octane-3,5-dione derivatives which have an activity to induce the differentiation of tumor cells and are useful as antitumor agent, and which also have an antiviral activity against various viruses and are useful as antiviral agent. These new derivatives may be produced by a photo-addition reaction of a uracil compound with 2,3-dimethyl-2-butene.