Summary
Indoxyl derivatives were detected as minor products among the urinary metabolites of two trial drugs, a benzodiazepine (GP 55 129) and a benzophenone (CGP 11 952). Their structures were elucidated by NMR and mass spectroscopy. Presumably, metabolites containing potential aldehyde functions react spontaneously with endogenous indoxyl. Such derivatives have not hitherto been encountered in drug metabolism.
References
Sapira, J. D., Somani, S., Shapiro, A. P., Scheib, E. T., and Reihl, W., Metabolism20 (1971) 474.
Sano, I., Kudo, Y., and Miyanoki, T., Seikagaku27 (1955) 15; Chem. Abstr.54 (1960) 25149i.
King, L. J., Parke, D. V., and Williams, R. T., Biochem. J.98 (1966) 266.
Geigy Scientific Tables, vol. 1, p. 73. Eds C. Lentner, Ch. Lentner and A. Wink. Ciba-Geigy Limited, Basel 1981.
Miller, B., Mitchison, R., Tabaqchali, S., and Neale, G., Eur. J. clin. Invest.2 (1971) 23.
8-Chloro-6-phenyl-4H-s-triazolo[4,3-α][1, 4]benzodiazepine-1-methanol. Position of14C in labeled form: [3α-14C]. Thanks are due to Dr. H. Allgeier, Dr. R. Heckendorn and Dr. W. Küng. Ciba-Geigy, for providing the synthetic compounds needed for this study.
1-[2-(2-Chlorobenzoyl)-4-chlorophenyl]-5-(dimethylaminomethyl)-N-ethyl-1H-1,2,4-triazole-3-carboxamide. Position of14C in labeled form: [5-14C]. Ciba-Geigy.
2-({3-Carbamoyl-1-[2-(2-chlorobenzoyl)-4-chlorophenyl]-1H-1,2,4-triazol-5-yl}-methylene)-3-indolinone. Ciba-Geigy.
2-{[4-(2-Benzoyl-4-chlorophenyl)-3-hydroxymethyl-4H-1,2,4-triazol-5-yl]-methylene}-3-indolinone. Ciba-Geigy.
Dieterle, W., and Faigle, J. W., in: Drug metabolite isolation and determination, p. 13. Eds E. Reid and J. P. Leppard. Plenum Publishing Corp, New York 1983.
Mory, H., unpublished results.
Stierlin, H., unpublished results.
Lahti, R. A., and Gall, M., J. med. Chem.19 (1976) 1064.
Birch, A. J., and Russell, R. A., Tetrahedron28 (1972) 2999.
Hooper, M., and Pitkethly, W. N., J. chem. Soc. PerkinI (1972) 1607.
Kingsbury, C. A., Draney, D., Sopchik, A., Rissler, W., and Durham, D., J. org. Chem.41 (1976) 3863.
Kanai, Y., Xenobiotica4 (1974) 441.
Eberts, F. S., Philopoulos, Y., Reineke, L. M., and Vliek, R. W., Clin. Pharmac. Ther.29 (1981) 81.
Abramovitch, R. A., and Marko, A. M., Can. J. Chem.38 (1960) 131.
Testa, B., and Jenner, P., Drug metabolism: chemical and biochemical aspects. Marcel Dekker Inc., New York, Basel 1976.
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Faigle, J.W., Stierlin, H., Mory, H. et al. Indoxyl derivatives of drug metabolites. Experientia 41, 476–478 (1985). https://doi.org/10.1007/BF01966155
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DOI: https://doi.org/10.1007/BF01966155