FACILE AND GENERAL SYNTHESES OF 1-ALKYLTOXOFLAVIN AND 8-ALKYLFERVENULIN DERIVATIVES OF BIOLOGICAL SIGNIFICANCE BY THE REGIOSPECIFIC ALKYLATION OF REUMYCIN (1-DEMETHYLTOXOFLAVIN, 8-DEMETHYL-FERVENULIN) DERIVATIVES
T. Nagamatsu et H. Yamasaki, FACILE AND GENERAL SYNTHESES OF 1-ALKYLTOXOFLAVIN AND 8-ALKYLFERVENULIN DERIVATIVES OF BIOLOGICAL SIGNIFICANCE BY THE REGIOSPECIFIC ALKYLATION OF REUMYCIN (1-DEMETHYLTOXOFLAVIN, 8-DEMETHYL-FERVENULIN) DERIVATIVES, Heterocycles, 45(4), 1997, pp. 643-650
Regiospecific alkylation of reumycins (6) under alkaline conditions wi
th a dialkyl sulfate or alkyl halide in dioxane and in DMF to provide
1-alkyltoxoflavins (5) of biological significance and 8-alkylfervenuli
ns (7), respectively, is described.