Preheat oven to 400°F.
Melt butter in a 9-inch round cake pan in the oven. Remove; stir in syrup, brown sugar, nuts, and cinnamon. Arrange biscuits on top of syrup mixture.
Bake 12 to 15 minutes or until biscuits are well browned. Let stand in pan 5 minutes. Invert onto serving plate. Serve warm.