THE 185-NM PHOTOCHEMISTRY OF 2,3-DIAZABICYCLOHEPTENE AND OF ITS DENITROGENATION PRODUCTS BICYCLOPENTANE AND CYCLOPENTENE

Article abstract of DOI:10.1016/0040-4039(82)80138-X

The 185-nm denitrogenation of 2,3-diazabicyclo<2.2.1>heptene (1) afforded bicyclo<2.1.0> pentane (2) and cyclopentene (3) presumably via a "hot" cyclopentane-1,3-diyl diradical (8); 1,4-pentadiene (4) and methylenecyclobutane (5) were secondary products of the 185-nm photolysis of (2) and (3).