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2. B. Meunier: Chem. Rev. 92, 1411 (1992).
3. A.E. Shilov: Activation and functionalization of alkanes (ed. C.L. Hill), p. 1, Wiley, New York (1989).
4. b) D. Mansuy, P. Battioni: ibid., p. 195.
5. c) K.S. Suslick: ibid.,p. 219.