NITROSAMINE CHEMISTRY 605 (107) (108) (109) (110) (111) (112) (113) (114) (115) (116) (117) (118) (119) (120) (121) (122) (123) (124) (125) 126) K. Jones, The Chemistry of Nitrogen, in J. C. Bailar, Jr., H. J. Emel•us, R. Nyholm and A. F. Trotman-Dickenson, "Comprehensive Inorganic Chemistry," Volume 2, Pergamon Press, New York, New York, 1973, Chapter 19, pp 372-374. F. Schweinsberg and P. Schott-Kollaf, Effect of Vitamin A on Formation, Toxicity and Carcino- genicity of Nitroso-N-methylbenzylamine, in E. A. Walker, P. Bogovski and L. Griciute, "Environ- mental N-Nitroso Compounds: Analysis and Formation," IARC Scientific Publications no. 14, International Agency for Research on Cancer, Lyon, France, 1976, pp 453-459. C. Catoni, M. A. Bianchi and G. Beretta, (Incomplete) Ind. Ailment., 13, 118 (1974). T. Moeller, "Inorganic Chemistry," Wiley, New York, New York, 1952, p 615. I. D. Biggs and D. L. H. Williams, Kinetics and mechanism of the Fischer-Hepp rearrangement and denitrosation. part V. the mechanism ofdenitrosation, J. Chem. Soc. Perkin Trans., 2, 107 (1975). D. L. H. Williams, Kinetics and mechanism of the Fischer-Hepp rearrangement and denitrosation. part VI. the relative reactivity of a number of nitrogen containing species toward nitrosation and further evidence against an intermolecular mechanism for the rearrangement, J. Chem. Soc. Perkin Trans. 2,655 (1975). J. T. Thompson and D. L. H. Williams, Direct nitrosation of aniline derivatives and other nucleophilic species by N-nitrosodiphenylamine. J. Chem. Soc. Perkin Trans. 2, 1932 (1977). G. Eisenbrand and R. Preussman, Eine neue methode zur kolorimetrische bestimmung yon nitrosaminen nach spaltung der N-nitrosogruppe mit bromwasserstoff in eisessig, Arzneim.-Forsch., 20, 1513 (1970). J. Polo and Y. L. Chow, Efficient Degradation of Nitrosamines by Photolysis, in E. A. Walker, P. Bogovski and L. Griciute, "Environmental N-Nitroso Compounds: Analysis and Formation," IARC Scientific Publications no. 14, International Agency for Research on Cancer, Lyon, France, 1976, pp 473-486. J. Polo and Y. L. Chow, Efficient photolyric degradation of nitrosamines, J. Nat. CancerInst., 56, 997 (1976). A. L. Fridman, F. M. Mukhametshin and S.S. Novikov, Advances in the chemistry of aliphatic N- nitrosamines, Russ. Chem. Rev. Eng. Transl., 40, 34 ( 1971). S. D. Gangolli, W. H. Shilling and A. G. Lloyd, A method for the destruction of nitrosamines in solu- tion, FoodCosmet. Toxico/., 12, 168 (1974). N. T. Crosby and R. Sawyer, N-Nitrosamines: A Review of Chemical and Biological Properties and Their Estimation in Foodstuffs, in C. O. Chichester, "Advances in Food Research," Vol. 22, Academic Press, New York, New York, 1976, pp 1-56. R. Preussmann and F. Schaper-Druckrey, Investigation of a Colorimetric Procedure for Determina- tion of Nitrosamides and Comparison with Other Methods, in P. Bogovski, R. Preussmann and E. A. Walker, "N-Nitroso Compounds: Analysis and Formation," IARC Scientific Publications no. 3, International Agency for Research on Cancer, Lyon, France, 1972, pp 81-86. B.C. Challis and S. P. Jones, The chemistry of nitroso-compounds. Part IX. General acid catalysed decomposition of N-nitroso-2-pyrrolidone, an example of amide hydrolysis via SN2 displacement on the N-conjugate acid, J. C hem. Soc. Perkin Trans. 2,153 (1975). T.J. Lobl, The chemistry of nitrosamides, J. Chem. Educ., 49, 730 (1972). W. Lijinsky, Instability of N-nitrosamides,Science, 183, 368 (1974). T. P. Johnston, C. L. Kussner and LB. Holum, Synthesis of potential anticancer agents. XXI. Nit- rosated sulfonamides related to myleran, J. Org. Chem., 25,399 (1960). H. Bassow, "Air Pollution Chemistry. An Experimenter's Sourcebook," Hayden Book Company, Rochelle Park, New Jersey, 1976, p 60. B. Sharma and R. C. Ahler, Nitrification and nitrogen removal, Water Research, 11,897 (1977). Editor's Note: With the acceptance of this review article, the Journal of the Society of Cosmetic Chemists inaugurates the review section of the Journal. We are especially appreciative and indebted to the Cosmetic, Toiletry and Fragrance Association for granting the authors permission to publish this article in our Journal. Review articles are solicited by special invitation from the Editor and Editorial Committee and are not subject to review by the Editorial Committee. The Journal intends to continue publication of review articles of this nature. JohnJ. Sciarra, Ph.D. Editor

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