| abstract |
4-Amino-3-sulfamido-pyridine derivatives of the formula I, wherein R1 represents an alkyl, cycloalkyl, carbamoyl or sulfonamide group; R2 is an alkyl, haloalkyl, cycloalkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkye, phenyl, phenylalkyl, diphenylmethyl, isobornyl, furfuryl, tetrahydrofurfuryl, dialkylaminoalkyl or heterocyclic group; where R1 and R2 together with the adjacent nitrogen atom form a saturated heterocyclic group; and X represents an alkoxy radical or a heterocyclic or secondary or tertiary amino group, the first substituent of which is hydrogen or an alkyl or alkenyl radical and the second an alkyl, alkenyl, alkynyl, hydroxyalkyl, diphenylmethyl, isobornyl, furfuryl, tetrahydrofurfuryl group , phenylalkyl or heterocyclic. |