1. C.S. Foote, Active Oxygen in Chemistry, Chapman & Hall, New York, 1995.
2. (a) H.H. Wasserman and R.W. Murray, Singlet Oxygen, Academic Press, New York, 1979. (b) A.A. Frimer, Singlet O 2, vol. 1–4, CRC Press, Boca Raton, Florida, 1985.
3. See, for example, A. Gilbert and J. Baggott, Essentials of Molecular Photochemistry, Blackwell Scientific Publications, London, 1991, Chapter 11, p. 503.
4. P.S. Mariano and J.L. Stavinoha. In: Synthetic Organic Photochemistry, W. Horspool (Ed.), Plenum Press, New York, 1984, Chapter 3, p. 194–202.
5. (a) J. Erikson, C.S. Foote and T.L. Parker, J. Am. Chem. Soc. 99, 6455 (1977). (b) J. Erikson and C.S. Foote, J. Am. Chem. Soc. 102, 6083 (1980). (c) A.P. Schaap, K.A. Zaklika, B. Kaskar and L.W.M. Fung, J. Am. Chem. Soc. 102, 389 (1980).