Abstract
The reaction of hexachloropropene with hydroxy-coumarins and chromones has been utilized to synthesise dichloro-benzodipyrandiones. The structures of the latter have been deduced from their spectral-analytical data. The reaction with 4-hydroxy-coumarin derivatives affords dichloropyrano-benzpyrandiones.
Similar content being viewed by others
References
Newmann, M. S. and Schiff, S.,J. Am. Chem. Soc. 81 2266 (1959).
Pechmann, H. V. and Duisberg, C.,Ber. 16 2119 (1883).
Bridge, W., Crocker, A. J., Cubin, T. and Robertson, A.,J. Chem. Soc. 1530 (1937).
Desai, R. D. and Ekhlas, M.,Proc. Indian Acad. Sci. 8A 194 (1938).
Rangaswami, S. and Seshadri, T. R.,Proc. Indian Acad. Sci. 6A 112 (1937);C.A. 32 559 (1938).
Chakravarti, D.,J. Indian Chem. Soc. 8 129 (1931).
Borsche, W.,Ber. 40 2731 (1907).
Krishnaswamy, B., Rao, K. R. and Seshadri, T. R.,Proc. Indian Acad. Sci. 19A 5 (1944)
Shah, V. R. Bose, J. L. and Shah, R. C.J. Org. Chem. 25 677 (1960).
Ziegler, E. and Maier, H.,Monatsh,89 143 (1958);C.A. 52 17253c (1958).
Kostanecki, St. Von and Rozycki A.,Ber. 34 102 (1901).
Desai, R. D. and Mavani, C. K.,Proc. Indian Acad. Sci. 25 A 354 (1947).
Limaye, D. B.,Ber. 65 375 (1932).
Limaye, D. B. and Gangal, D. D.,Rasayanam 1 64 (1936);C.A. 31 2182 (1937).
Limaye, D. B. and Kelkar, G. R.,Rasayanam 1 24 (1936);C.A. 31 2213 (1937).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Deshpande, A.R., Merchant, J.R. Reaction of hexachloropropene with hydroxy-coumarins and chromones. Proc. Indian Acad. Sci. 84, 85–90 (1976). https://doi.org/10.1007/BF03046646
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF03046646