Gordon W. Gribble, William R. Sponholtz III, Frank L. Switzer, Ferdinando J. D’Amato and Marianne P. Byrn
Photocyclization of 10-benzyl-9,11-diphenyl-10-azatetracyclo[6.3.0.04,11.05,9 ]undeca-2,6-diene 11, prepared in one step from münchnone 7 and cycloocta-1,3,5,7-tetraene 10, gives azahomopentaprismane 12.