Preparation and select data for syn- and anti- dinitro diazatricyclooctanes: A solution of 1 (0.90 gm, 9.27 mmol) in acetone (30 ml) in a quartz tube was irradiated at room temperature. The reaction mixture was then concentrated under reduced pressure, and the residue was chromatographed on silica-gel eluting with chloroform-acetone-ethanol (4:5:1). The product, (0.475 gm, 52%), was obtained as an inseparable mixture of two isomeric compounds 6 and 7 (as indicated by ...
