1. Fukuyawa, M., Ohno, A.: Kagaku No Ryoiki 1968, 22 (12), 1091.
2. Potts, K. T., Sapino, C.: In: Patai, S. (Ed.): The chemistry of acyl halides, Chapter 11, pp. 349–380. London: Interscience 1972.
3. Wohl, A.: Ber. 19, 2344 (1886).
4. Le Fèbre, R. J. W., Macleod, M.: J. Chem. Soc. 1931, 474.
5. Harmon, J.: U. S. Patent 3070 580 (Dec. 25, 1962, Application July 16, 1959).