1. Organic Marcel New York;Everitt;Molecular Photochemistry,1999
2. Pressure effects on thermal and some photochemical reactions have been reviewed in detail a le Pressure effects on achiral photochemical reactions were also reported;Asano;Noble Chem Rev Chem Rev Am Chem Soc Org Chem Chem Ber,1978
3. We also thank Dr Hembury for assistance in the preparation of this manuscript and Vital role of entropy in photochirogenesis REFERENCES;Guy;Pure Applied Chemistry Chem Rev,2001