K. Nakatani et al., PHOTOINDUCED DNA CLEAVAGE BY DESIGNED MOLECULES WITH CONJUGATED ENE-YNE-KETENE FUNCTIONALITIES, Tetrahedron letters, 35(4), 1994, pp. 605-608
Upon photoirradiation, diazoketone 1 was found to induce single strand
cleavage of plasmid pBR322 DNA at concentration of 100 mu M. Conjugat
e ene-yne moiety was essential for DNA-cleaving activities.