Dihydroporphyrins and method of treating tumors

Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Magnetic imaging agent

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514183, 514410, 540145, A61K 3140, A61K 4900, C07D48722

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active

049922572

ABSTRACT:
This invention provides novel compounds for therapy of tumors susceptible to necrosis when an appropriate compound is administered followed by illumination with light of a wavelength absorbed by the compound, the compounds being dihydro porphyrins of the formula, or the corresponding tetra-hydro prophyrins: ##STR1## where n=1 to 3 and each substitutent R, the same or different and at the same or different position in its respective substituent phenyl ring, is an hydroxy group.

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patent: 4330637 (1982-05-01), Wong
Zanelli et al., "Synthetic Porphyrins", Brit. J. Radiol. 54, pp. 403-407 (1981).
Ciba Foundation Symposium, 1989, pp. 34 to 39.
Bonnett et al., Biochemistry J. 1989, 261 277-280.
Journal of the American Chemical Society, vol. 95, No. 17, Aug. 22, 1973, pp. 5738-5741, H. W. Whitlock et al., "Behavior of Di- and Tetrahydro . . . ".
Patent Abstracts of Japan, vol. 4, No. 190 (C-37) (672), Dec. 26, 1980, Journal of the American Chemical Society, vol. 91, No. 26, Dec. 17, 1969, pp. 7485-7489, H. Whitlock et al., "Diimide Reduction . . .".

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