Photoirradiation of [3(3)](1,3,5)cyclophane 11 with a low pressure Hg lamp
in CH2Cl2 in the presence or absence of water afforded new polycyclic cage
compounds of chlorinated tribridged hexacyclododecane 12 or its hydroxy ana
logue 14 and tribridged tetracyclic olefin 13. (C) 1999 Elsevier Science Lt
d. All rights reserved.