摘要:
Nitrofuryl-triazolo(4,3-b)pyridazine compounds of the formula
WHEREIN R1 is lower alkoxy radical or a saturated 5- or 6-membered heterocyclic ring attached via a cyclic nitrogen atom, which heterocyclic ring can also contain, in addition to said cyclic nitrogen atom, a cyclic oxygen atom or an optionally lower alkylated cyclic nitrogen atom and R2 is a hydrogen atom or R1 and R2 together represent an additional valency bond, ARE OUTSTANDINGLY EFFECTIVE AS BACTERIOSTATS AND ARE PARTICULARLY USEFUL IN THE TREATMENT OF BACTERIAL INFECTIONS IN THE URINARY TRACT.
摘要:
Nitroimidazolyl-s-triazolo(4,3-b)pyridazines of the formula: wherein R1 and R2 are, individually, hydrogen or a numbe organic radicals or, taken together, can be an alkylene bridge; AND R3 is hydrogen or lower alkyl; or, together with R2, R3 can form an alkylene bridge; N IS 0 OR 1; AND THE PHARMACEUTICALLY COMPATIBLE THEREOF, POSSESS HIGH IN VIVO EFFECTIVENESS AS ANTIMICROBIALS.
WHEREIN R is hydrogen or lower alkyl optionally substituted in the 2position by hydroxyl or by lower acyloxy or lower alkoxy; A is hydrogen, halogen, azido, cyano; lower alkyl, alkoxy, alkylthio, alkylsulfonyl, carboxyl; lower alkoxycarbonyl, lower alkoxycarbonimidoyl; or hydrazino, carbamoyl, amidino or a carboximidohydrazide group optionally substituted by one or two lower acyl, alkyl or cycloalkyl radicals; or A is a radical of the formula:
摘要:
The invention is directed to novel compounds of the formula
WHERE X is oxygen, sulfur or an alkylated nitrogen atom and R is
WHERE R1 is an aliphatic, aromatic, araliphatic, acyl, hydroxy, or acyloxy aliphatic radical. R2 is hydrogen or lower alkyl, R3 and R4 are both hydrogen, or, together, an isopropylidene radical and n is 2 or 3; diagnostic agents containing said compounds for use in the detection of bacteria in biological and other fluids, and the process for detecting bacteria in such fluids using said agents which comprises incubating the fluid to be investigated in the presence of a nutrient medium and a compound as above set out, the number of bacteria being directly related to the color change thereafter observed.
摘要:
WHEREIN R1 is hydrogen or a saturated or unsaturated aliphatic hydrocarbon radical containing 2 to 5 carbon atoms, ARE OUTSTANDINGLY EFFECTIVE AS BACTERIOSTATS AND ARE PARTICULARLY USEFUL IN THE TREATMENT OF BACTERIAL INFECTIONS IN THE URINARY TRACT. Nitrofuryl-triazolo(4,3-b)pyridazine-amide compounds of the formula:
摘要:
Certain novel cyclopentenoquinolone derivatives of the formula:
WHEREIN R and X, which may be the same or different, are hydrogen or lower saturated or unsaturated aliphatic hydrocarbyl; Y is hydroxyl or lower alkoxy or lower acyloxy (i.e., alkanoyloxy); and Z is hydrogen or lower alkoxy, or, together with Y, represents an oxo or lower alkenyldioxy radical; AND THE PHARMACOLOGICALLY COMPATIBLE SALTS THEREOF ARE OUTSTANDINGLY EFFECTIVE AS ANTI-MICROBIALS, PARTICULARLY FOR APPLICATIONS AGAINST INFECTIONS OF THE URINARY TRACT.
WHEREIN R1 IS HYDROGEN OR LOWER ALKYL OR AZIDO; R2 IS HYDROGEN OR LOWER ALKYL; AND R3, R4 AND R5, WHICH MAY BE THE SAME OR DIFFERENT, ARE HYDROGEN OR LOWER ALKYL, LOWER ACYL, LOWER CARBALKOXY, LOWER ALKYL-SULFONYL, CARBAMYL, THIOCARBAMYL OR GUANYL; AND TH EPHYSIOLOGICALLY COMPATIBLE SALTS THEREOF, ESPECIALLY THOSE WHEREIN THE HYDRAZINE FUNCTION IS IN THE 4-POSITION, R2 IS IN THE 5-POSITION, AND THE NITROFURYL RING IS IN THE 2-POSITION OF THE PYRIMIDINE RING, ARE OUTSTANDINGLY ACTIVE IN VIVO IN THE TREATMENT OF URINARY TRACT INFECTIONS.
摘要:
WHEREIN R1 AND R2 ARE EACH HYDROGEN, LOWER ALKYL, ALKOXY, AMINO OR AXYLAMINO AND R3 IS HYDROGEN, HYDROXYL, LOWER ALKOXY, AMINO OR ACYLAMINO ARE CHARACTERIZED BY MARKED ANTIMICROBIAL ACTIVITY AND HAVE BEEN FOUND TO BE PARTICULARLY EFFECTIVE IN THE TREATMENT OF URINARY TRACT INFECTIONS.
2-R1,4-(5-(O2N-)FUR-2-YL),5-R2,6-R3-PYRIMIDINE
5-NITROFURAN DERIVATIVES AND THE PHYSIOLOGICALLY ACCEPTABLE SALTS THEREOF HAVING THE FORMULA:
WHEREIN R1 AND R2 EACH REPRESENT HYDROGEN, HALOGEN, HYDROXYL, AZIDO, AMINO-LOWER ALKYL, LOWER ACYLOXY, LOWER ALKOXY, LOWER ALKYLAMINO, HYDROXYALKYLAMINO, LOWER ACYLAMINO, OR SULFONYLAMINO. THE NITROLFURAN DERIVATIVES OF THE ABOVE FORMULA CONSTITUTE PARTICULARLY EFFECTIVE ANTIBACTERIAL AGENTS AND ARE ESPECIALLY USEFUL IN THE TREATMENT OF URINARY TRACT INFECTIONS.