1. V. Atre, G. V. Reddy, L. N. Sharada and M. C. Gaonkar,Indian J. Chem.,21A, 934 (1982).
2. D. S. Rao and M. C. Gaonkar,J. Indian Chem. Soc.,58, 217 (1981).
3. V. J. Tyagaraju, V. Ranbaore, V. Atre and M. C. Gaonkar,J. Indian Chem. Soc.,59, 99 (1982).
4. L. F. Audrieth, E. S. Scott and P. S. Kipper,J. Org. Chem.,19, 733 (1954).
5. K. S. Dhaka, Jagmohan, V. K. Chadha and H. K. Pujari,Indian J. Chem.,12, 288 (1974).